Wednesday, December 12, 2012

Shiels

  • Brand:
  • Gram Gold
  • Comments:
  • Product name: Shiels
Detailed Info
Product name: Shiels
Shiels

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Monday, December 10, 2012

Stab-proof Vest

  • Brand:
  • Gram Gold
  • Comments:
  •  
    Product name: Stabproof vest
    Detailed Product Description:
    stabproof vest
Detailed Info
Product name: Stabproof vest
Detailed Product Description:
stabproof vest
Stab-proof vest

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Friday, December 7, 2012

Bullet-proof Vest

  • Brand:
  • Gram Gold
  • Comments:
  • Product name: Whole-body protection soft bulletproof vest
Detailed Info
Product name: Whole-body protection soft bulletproof vest
Bullet-proof vest

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Wednesday, December 5, 2012

X-ray Hand Held Baggage Inspection Machine

  • Brand:
  • Gram Gold
  • Model:
  • GG5030
  • Comments:

  • Model: GG-5030
    Main Feature:
    l         Parameters leading the country:
Detailed Info
Model: GG-5030
Main Feature:
l Parameters leading the country: Ministry of Public Security issued the 2010 report of the latest national standard test
l International brand accessories: the United States SPELLMAN-ray sources, Japan, HAMMATSU detectors, Germany INTERROLL drum
l Automatically sense objects
l 22 inch HD LCD monitor with
l Hard drive can directly save for 200000 images
l A key shutdown control
l Lead screens without using new lamination technology
l Data transmission technology using advanced parallel 15 times faster than similar products

Basic parameters:
1. Channel size: 505 (width) × 305 (high) mm
2. Speed conveyor belt: 0.2m/s
3. Belt largest load: 100kg
4. Single dose check: <2μGy
5. Resolution: diameter <0.13mm metal wire
6. Penetration: 12mm plate
7. Security film: on ASA/ISO1600 safety film
8. Leak dose: <2μGy/h (at a distance of 5cm from external housing), in line with the requirements for installing radiation health and safety requirements issued by all international standards
X-ray hand held baggage inspection machine
KeyWords:
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Monday, December 3, 2012

Underground Metal Detector

  • Brand:
  • Gram Gold
  • Model:
  • MD5002
  • Usage:
  • Personal
Detailed Info
Model: GG-MD5002
Main Feature:
GG - MD5002 underground metal detector is used in military except outside, also can be widely applied in:
Responding to safety inspection
Responding to public security departments; quick searching the criminal
Responding to detection of raw materials, fuel and food; metal
Responding to check your E-mail, discusses the metal items,
The underground pipelines, responding to detect cables,
Responding to archaeological and prospecting,
Responding to find hidden buried treasure and silver metal cultural relic.
[main function]
Responding to balance with lines, can eliminate the mineralization reaction ", "the impact of effective detection, and greatly improve the accuracy of the depth and the:
Responding to a ferrous and non-ferrous metal function,
Responding to using intelligent system operation
Responding to ABC material USES high strength, light weight and long service life
Responding to identify metal sounds can be wearing headphones
Specification:
1. Electric current: 12DCV "AA" (alkaline) 8X1.5V
2. Small signal frequency: 6.99 KHz
Audio frequency: 450Hz
3. Power consumption: 0.6 W
4. Maximum depth of the probe: 1.5 m
5. Net Weight: 2.375KG
Additional Clause
1. Validity: 30 days since quotation
2. Delivery time: 15 days before shipment but the exact days are subject to the quantity
3. MOQ: 2 sets
4. Packing: one set per carton
5. Payment: TT/LC

Thursday, November 29, 2012

Underground Metal Detector

  • Brand:
  • Gram Gold
  • Comments:
  • Sutable for searching underground metal, gold and silver, jewelry and so on.
Detailed Info
Model: PULSE AR Ⅲ
AR3 ultra-deep metal Germany is the latest probe targeting the underground metal R & D positioning equipment. Used in the precious metals such as gold and silver items to find, metal pipes of the cable location, archaeological, and so on. It's fast search, the search of a field for only 1-3 hours. Detection, the equipment will not be affected by the work of mineralized material response and salts, and can identify different types of metal-specific. The instrument is equipped with 2 different sizes of water into the plate and a ring conductance, and its conductivity can ring in the caves and water use, extremely high accuracy. The instrument has in-depth exploration of deep, accurate positioning features, simple to use and easy to carry.
Basic characteristics and Specification:
1. Can positioned ultra deep
2. Place of origin: Germany
3. The depth of detection is 6-9-meter
4. Can identify different types of metal
5. Size: 198mm x 157mm x 62mm
6. Weight: 1100 grams (battery included)
7. Energy: 12v/2Ah
8. Charge time: 3-4 hours fast charge
Additional Clause
1. Validity: 30 days since quotation
2. Delivery time: 15 days before shipment
3. MOQ: 2 sets
4. Packing: one set per carton
5. Payment terms: TT/ LC
Underground metal detector
KeyWords:
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Monday, November 26, 2012

Explosive Detector

  • Brand:
  • Gram Gold
  • Model:
  • QS-H150
  • Comments:
  • Suitable for railway station, train station, and the other places like entertainment places.
Detailed Info
Model: QS-H150
Characteristics:
l unique "cyclone" sample acquisition system , Non-contact detection
l real-time detection system, we can identify the location of the explosive elements
l rapid analysis of the sample interval short
l automatic calibration system
l PPT-level accuracy without
Main Features:
LCD display and adjustable volume alarm sounds
1. Size: 58 cm (L)*12 cm (width) *15 cm (H)
2. Weight: 5.4 kg
3. Batter charge time: 4hours
4. Widely used in aviation, railway and highway safety inspection, customs and border security, vehicle inspection, checking e-mail package
Additional Clause
1. Validity: 30 days since quotation
2. Delivery time: 30 days before shipment
3. Payment terms: TT/ LC
4. MOQ: 1 set
explosive detector

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Friday, November 23, 2012

Chempro100

  • Brand:
  • Gram Gold
  • Comments:
  • Model: Chempro100
    According to Finland's peacekeeping Chempro100 is the most advanced hand-held gas detectors c
Detailed Info
Model: Chempro100
According to Finland's peacekeeping Chempro100 is the most advanced hand-held gas detectors chemical analysis system. Chempro100 the use of peacekeeping in accordance with the development of the company's latest generation of chemical sensors, this sensor is based on the open-ion mobility spectrometry (IMS) technology to detect and manufacturing.
Main parameters:
1. Origin: Finland Hand Held Gas Detector
2. Maximum length of the extension: 1750mm
3. Size of the smallest fold: 600X260X180mm
4. Mirror size: 260X160mm
5. Halogen lighting: DC12V 20W
6. Battery time: about 2 hours of continuous work
7. Weight: 3200 grams (one battery weight 1700 g)

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Wednesday, November 21, 2012

X-ray Security Check Machine

  • Brand:
  • Gram Gold
  • Model:
  • GG6550
  • Comments:
  • Model: GG6550
    Feature:
    l         Sound and light alarms
    l  
Detailed Info
x-ray inspection equipment
Model: GG6550
Feature:
l Sound and light alarms
l Network Interface: Can connect local area networks, multiple terminals can check luggages at the same time
l Safer-ray: Ray fired automatic control, to avoid misusing launching.
l Simple mouse control: can directly control the equipment without the keyboard and the working table.
l One shutdown control buttton: You just need to rotate the key and the equipment will automatic power off safely, no need for complex multi-step operation, more convenient and simpler.
l Eagle Eye: Current region can be reviewed convenient in enlarged status.
l Fault self-diagnosis: Automatically determine the failure and give prompt information, easy to maintain.
Basic parameters:
1. Channel size: 650 (width) × 500 (high) mm
2. Speed conveyor belt: 0.20 m / s
3. The largest load belt: 100 kg
4. Resolution: 0.1mm diameter solid copper tin
5. Penetration: 30mm steel
6. Safety film: for the safety of ISO1600 film
7. Leak dose: <2uGy/h (at a distance of 5cm from external housing) in line with the requirements for installing radiation health and safety requirements issued by all international standards
KeyWords:
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Friday, November 9, 2012

Piston X-ray Automatic Inspection Equipment

  • Brand:
  • Gram Gold
  • Model:
  • GG6550
  • Comments:
  • Model: GG6550
    Feature:
    l         Sound and light alarms
    l  
Detailed Info
x-ray inspection equipment
Model: GG6550
Feature:
l Sound and light alarms
l Network Interface: Can connect local area networks, multiple terminals can check luggages at the same time
l Safer-ray: Ray fired automatic control, to avoid misusing launching.
l Simple mouse control: can directly control the equipment without the keyboard and the working table.
l One shutdown control buttton: You just need to rotate the key and the equipment will automatic power off safely, no need for complex multi-step operation, more convenient and simpler.
l Eagle Eye: Current region can be reviewed convenient in enlarged status.

l Fault self-diagnosis: Automatically determine the failure and give prompt information, easy to maintain.
Basic parameters:
1. Channel size: 650 (width) × 500 (high) mm
2. Speed conveyor belt: 0.20 m / s
3. The largest load belt: 100 kg

4. Resolution: 0.1mm diameter solid copper tin
5. Penetration: 30mm steel
6. Safety film: for the safety of ISO1600 film
7. Leak dose: <2uGy/h (at a distance of 5cm from external housing) in line with the requirements for installing radiation health and safety requirements issued by all international standards
KeyWords:
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Friday, November 2, 2012

To explain what the metal detector is and where they mainly used

Today to explain what the metal detector is and where they mainly used , in fact, a lot of these people do not know, I gave you explain in detail, in fact, the main purpose of the metal detector gate is detected at some of the illegal goods.a lot of people respectthese illegal goods with the body, the walk through metal detector will luster when the Expo, because the walk through metal detector at the venue, to prevent dangerous items into the venue,the benefits of walk through metal detector is detailed examination of hazardous materials, and most important is fast speedonly for a few seconds can be detected out, will not result in the retention phenomenon, particularly large venue will be used, after all, each large venue will be used, the walk-through metal detector is not only detect metal, but also can detect prohibited items and other metals, to protection of the safety of the people.

China Walk Through Metal DetectorHand Held Metal DetectorX-Ray Inspection MachineUnderground Metal DetectorExplosive Detector,Shock Baton Suppliers

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Wednesday, October 31, 2012

The X-Ray machine help police to check out the drug


Judiciary Police re-arrested an Indonesian woman who transported drug and the seizure of heroin eggs
"According to the Macao Daily News reports, cross-border drug trafficking syndicates non-stop crime, "poisoned persons" sweep inexhaustible, but to evade the law. Macau Judiciary Police have third time with the human perspective of the X-ray machine set at the Macao International Airport within 10 days, cracked the case of concealment, the arrest of a Indonesian woman.The woman "slain" 103 1 a total weight 1.1 kg of heroin, the market value of more than 1.1 million yuan (patacas, the same below), to swallow, anus, as well as collection, including underwear The way the smuggling. Together with the contribution of this case, the Judiciary Police so far through the X-ray machines seized about 2.5 kilograms of heroin, the market value of 2.65 million. Judiciary Police believe that combating transnational drug trafficking is taking effect.Arrested woman Mingsuohadi (Suhati), 37-year-old Indonesian people reported unemployed, there are multiple entry Macau records; involved in drug trafficking was transferred to the Procuratorate for handling.Human perspective of the Judiciary Police set up the office of the airport X-ray machine on the 17th of this month, the formal operation of the two days, and then help solve the case. Judiciary Police had received a report that yesterday was the smuggling of narcotics to Australia, target analysis, the female suspect identity information to the public order police Immigration Services.The morning of the 18th 10 pm The woman, the plane arrived from Malaysia Immigration Services policemen see goal notify the Judiciary Police. The woman handling End procedures for entry to the Judiciary Police intercepted, was flustered, and was subsequently brought to the office for X-ray examination. Judiciary Police first in the women's underwear from the 80 tablets of heroin eggs, and then found the body of a foreign body, sent to hospital for further examination, the last twenty one "heroin eggs in his body, the full drug with a total weight 1,100 to 33 grams, the market value of more than 1.1 million yuan.After investigation, involving a woman testified that, from Indonesia to Malaysia on the 12th of this month, has been lobbying when poisoned with disabilities, the first to receive the $ 4,000 transportation fee, if successfully shipped via Macau to Guangzhou, each piece of "sea heroin eggs "to receive the reward of two U.S. dollars. The woman said, this is the first time, drug trafficking, arrived after receiving goods. But drugs too much, it is difficult to swallow all, they smuggled underwear way to the anus and collection, surprise, was the X-ray machine, "according to betray oneself.Together with the present cases, including the Judiciary Police within ten days of the third uncovered similar cases, were arrested a Ugandan man and two Indonesian men and women, a total since about 2.5 kilograms, worth 2.65 million yuan heroin Britain. Judiciary Police is conducting a thorough investigation behind the scenes manipulation by the same drug trafficking syndicate.


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Monday, October 29, 2012

The Gram Gold growth can not do without the support of you.

Ten years ago, Gram Gold Safety Product's Co,.Ltd only sell domestic metal detector security doors and hand-held metal detector. Years later suddenly become China's largest import metal security doors and imported hand-held metal detectors and other security equipment vendors. This is a huge change in the company's product sales strategy, the company is also restructuring and upgrading, completely make a good firm basis of the import market of the security products sales. Only while improving products and services, so that come out on top in the sales market of the imported metal detector market.
In 2002, the main orientation of the inception of the Gram Gold production and sales is of domestic own brand of security doors, hand-held metal detectors, X-ray security machine, drugs, explosives detectors and other products. The spirit of the world in the safe to reveal a knowing smile,Gram Gold people do exhaust into account, focus on quality and brand, making this its own brand of domestic security equipment products in China, Southeast Asia, Europe, the Middle East many consumers in other countries. Also made metal detector products to lay a deep imprint in the hearts of his countrymen, has achieved a lot for many enterprise security burglar career. Successive Peasant Games, Universiade, Olympic Games, Asian Games, National Games and other major events organized by these domestic security door screeners who provide a strong security tool.
With the continuous development of the socio-economic, the requirements of the people of the security has become increasingly high. In China, not only in airports, customs, port, border control, but also in the large enterprises, the requirements for security or anti-theft is always hope that those of us security equipment to excellence and excellence, to maximize the performance of the products.Today, Si Maiao has sold nearly 1,000 units of imported security equipment, has been completely a firm foothold in China's exports which the security market.
The Gram Gold growth can not do without the support of many partners. Especially want to thank the users, a number of Fortune 500 companies supported. We must adhere to win-win cooperation and common development, corporate philosophy, with the user to provide the highest quality products, to provide the best after-sales service. Because we know that Gram Gold can achieved the brilliant results in a detector can not live without your favor and trust! Is inseparable from the understanding and support of colleagues in the industry! More can not be separated from the Gram Gold truth, truth-seeking, quality management concepts and development ideas
If you want to know more about Gram Gold Sercurity Product Co.Ltd,
you can check our website: http://www.anjianmen.com
Or you can feel free to contact with me:
Crystal Wei
Email: anjianmen.com@gmail.com
MSN : weijingjing88@hotmail.com
TL : 86-020-61087150-14
FAX : 86-020-61087156
Cell NO. : 86-15902047852
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Wednesday, October 24, 2012

How Airport Metal Detectors Work

Airportmetal detectors
Metal detectors have been a staple of airport security for decades. These tall, boxy metal detectors are meant to be walked through and, theoretically, they will detect any metal objects that pass through them. However, if this was the case, then there wouldn't be any need for the hand-held metal detectors that travel authority agents and security guards usually have. Knowing how the larger metal detectors work, and their failings, can help take the confusion out of any misunderstanding.
Radio Waves
The way these large, walk-through metal detectors work is fairly simple. One of the walls of the box sends radio waves to the other side, which are then returned. Radio waves will not pass through metal objects, so if the radio waves hit any metal on a person, the waves will be bounce back sooner than the others. The time it takes for the radio waves to travel the full length of the box is set in the machine, so that if any radio waves are bounced back sooner, the alarm in the metal detector is set off.
Adjustments
Most airportmetal detectors, though, don't catch all the metal that passes through them. This is because the sensitivity of the metal detector has to be toned down slightly. Otherwise, people with metal fillings in their teeth, metal rivets in their jeans and metal zippers would all set off the alarms. However, this also brings down the effectiveness of the metal detectors. While smaller, metal items may not be detected, the settings are always set high enough that most items considered dangerous will set off the alarm.
China Walk Through Metal DetectorHand Held Metal DetectorX-Ray Inspection MachineUnderground Metal DetectorExplosive Detector,Shock Baton Suppliers
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Monday, October 22, 2012

How to Use a Hand Held Metal Detector

Different hand held metal detectors use the same basic electrical devices to detect the presence of metal. An oscillator creates radio waves along a coil of wires. The receiver in the metal detector picks up the radio waves and produces a beeping noise. When a metal object passes near the wire coils, a magnetic field is created that alters the radio waves being sent to the transmitter and also alters the beeping noise, indicating to the user that metal has been found. Operators use hand-held metal detectors to find metal in many situations, especially for security purposes.

Instructions
Firstly, Put batteries in your hand held metal detector. Most take 9V batteries in the rear end of the handle of the metal detector.
Secondly, Turn on your metal detector using the "On" and "Off" button that is usually located on the handle close to the scan area. Not all hand-held metal detectors are the same. Fisher, for example, has a three-way power button, while Whites Electronics has a traditional On/Off button.
Thirdly ,Check that the indicator light is on, showing that the hand held metal detector works. If your metal detector does not have an indicator light or any other indicator, wave the metal detector over an obviously metal object, such as your car, and wait for the signal that the metal detector is on. The signal could be a beeping sound, a vibration or a red LED light turning on.
Fourthly, Set any special features on your hand-held metal detector, such as plug-in ear phones, volume controls or sensitivity controls.
Fifthly, Hold your hand-held metal detector as close as possible to an area where you need to search for metal. The closer the metal, the clearer the signal.
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Wednesday, October 10, 2012

X-ray inspection machine detector application

All public access to manchester international to check the terminal, where everyone mustx-ray inspection machine , and all sorts of items has to be checked by X-ray machine.
  Virtually all airport metal detectors depend on pulse induction (PI) principles. The average pulse induction system implements a bow tilting beside the coil as transmitter and receiver. The technology is generally sent by coil current is strong and short pulses. Each pulse generates this quick magnetic field. Whenever the pulse ends, the magnetic field polarity reversal and so the rapid decay with the magnetic field, becoming a sharp electrical spike. The spike lasts several microseconds (millionths of any second), then leads to another within conduction current from your coil. The next current is recognized as the reflected pulse, it only lasts about 30 microseconds. Then send another pulse, and also process is repeated. Typical, contingent on pulse induction metal detector sends about 100 pulses per second, but different manufacturers and various forms of products a lot of pulses per second, there might be very different, including about 25 pulses per second to above and beyond 1,000 between pulses.
  If you've got metal objects x-ray inspection machine , the heart beat will likely be generated contained in the object a reverse magnetic field. When the pulse magnetic field decay and result in the reflected pulse, the metal objects inside reflected pulse magnetic field will extend the time period essential to completely disappear. It works business transactions on echoes: In case you only a couple of in the room with hard surface cries, you may also only hear an unusually brief echo, or completely not hear the echo. Nevertheless, if you will get a wide range of hard surfaces inside the shouting, echo duration could be longer. Inside the pulse induction metal detector, metal objects using the target they produce the magnetic field will "echo" superimposed at the reflected pulse, that makes the reflected pulse duration when compared to no metal objects a little longer.
  Metal detector within a sampling circuit for monitoring the reflected pulse duration. By its comparison from the expected duration, the circuit can decide if the reflected pulse decay time extended by another magnetic field. Whenever the reflected pulse decay time, decay time longer than the standard variety of microseconds is workable which the metal objects conflict with the decay process.
  Sampling circuit to keep track of a weak signal is distributed up to a device referred to as integrator. Integrator reads the signals out of the sampling circuit, it will zoom in and reconstructed as DC. DC voltage is connected to a sound circuit, and this circuit is converted to sound aided by the sound of metal detectors indicate of the fact that target object. There is the mark items, screeners who will require passengers to eliminate all metal objects nonetheless during the entire detector. In the event that metal detector to show the use of metal, so screeners utilizes a sensor technology according to same hand-held pulse detector to find the specific reasons.
  The market associated with new x-ray inspection machine is multi-region. As a result , they have already multiple transmit and receive coils, each coil arrived at different heights. Truly essentially such as 1 device containing multiple metal detectors.
China Walk Through Metal DetectorHand Held Metal DetectorX-Ray Inspection MachineUnderground Metal DetectorExplosive Detector,Shock Baton Suppliers
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Monday, October 8, 2012

About walk through metal detector use

All public the ability to access manchester airport to plod through the terminal, where everyone must walk through metal detector, and items will need to be checked by X-ray machine.
The great majority airport metal detectors provide pulse induction (PI) principles. A conventional pulse induction system runs a bow tilting at the side of the coil as transmitter and receiver. The technology will be sent within the coil current is strong and short pulses. Each pulse generates short magnetic field. Right after the pulse ends, the magnetic field polarity reversal and also the rapid decay of an magnetic field, becoming a sharp electrical spike. The spike last several microseconds (millionths associated with a second), results in another for the conduction current throughout the coil. The subsequent current has the name the reflected pulse, it only lasts about 30 microseconds. Then send another pulse, along with process is repeated. Typical, contingent on pulse induction metal detector sends about 100 pulses per second, but different manufacturers and various types of products cellular phone pulses per second, could possibly be distinctive, cover anything from about 25 pulses per second to well over 1,000 between pulses.
Once you have metal objects x-ray inspection machine, the pulse will likely to be generated on the object a reverse magnetic field. When the pulse magnetic field decay and result in the reflected pulse, the metal objects within your reflected pulse magnetic field will extend any kind of time was needed to completely disappear. It works something such as echoes: If you're just a couple in some room with hard surface cries, you may perhaps only hear a rather brief echo, or completely not hear the echo. But when you own a whole lot of hard surfaces inside room shouting, echo duration could well be longer. In some pulse induction metal detector, metal objects through the target they produce the magnetic field will "echo" superimposed regarding the reflected pulse, that makes the reflected pulse duration rather than no metal objects more time.
Metal detector at a sampling circuit for monitoring the reflected pulse duration. By its comparison making use of expected duration, the circuit can assess if the reflected pulse decay time extended by another magnetic field. In the event that reflected pulse decay time, decay time longer than the majority of range of microseconds possible that these metal objects interfere with the decay process.
Sampling circuit to an inadequate signal is shipped toward a device called integrator. Integrator reads the signals from your sampling circuit, it is focus and reconstructed as DC. DC voltage is associated with a sound circuit, as well this circuit is transformed into sound making use of the sound of metal detectors indicate in which the target object. If you realize the marked items, screeners who's going to require passengers to eliminate all metal objects and then again through the detector. That the metal detector to point arsenic intoxication metal, so screeners makes use of a sensor technology based on the same hand-held pulse detector to search for the specific reasons.
The stock market of numerous new hand held metal detector is multi-region. Because of this they've got multiple transmit and receive coils, each coil are at different heights. This is exactly essentially equal to a person device containing multiple metal detectors. 
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Thursday, September 27, 2012

Walk through metal detector widely used

All public utilization of the airport to use a the terminal, where everyone must walk through metal detector, all the things items require to be checked by X-ray machine.
A good number of airport metal detectors are dependent on pulse induction (PI) principles. Some pulse induction system the particular bow tilting at the side of the coil as transmitter and receiver. The technology could very well be sent through your coil current is strong and short pulses. Each pulse generates short magnetic field. Generally if the pulse ends, the magnetic field polarity reversal in addition to the rapid decay in the magnetic field, causing a sharp electrical spike. The spike can last several microseconds (millionths to a second), cuases another contained in the conduction current with the coil. The subsequent current is addressed as the reflected pulse, it only lasts about 30 microseconds. Then send another pulse, all this process is repeated. Typical, using pulse induction metal detector sends about 100 pulses per second, but different manufacturers and different types of products function pulses per second, you will find varies greatly, starting about 25 pulses per second to above 1,000 between pulses.
If you have had metal objects underground metal detector , the pulse will likely be generated within a object a reverse magnetic field. In case the pulse magnetic field decay and make the reflected pulse, the metal objects on the reflected pulse magnetic field will extend plenty of time vital to completely disappear. Practise works something similar to echoes: If you're just a couple of inside of a room with hard surface cries, you might only hear an exceptionally brief echo, or completely not hear the echo. But once one has a lots of hard surfaces space shouting, echo duration will be longer. At the pulse induction metal detector, metal objects of your target they produce the magnetic field will "echo" superimposed about the reflected pulse, that causes the reflected pulse duration as compared to no metal objects longer.
Metal detector at the sampling circuit for monitoring the reflected pulse duration. By its comparison from the expected duration, the circuit can check if the reflected pulse decay time extended by another magnetic field. If for example the reflected pulse decay time, decay time over an obvious lots of microseconds can be that metal objects conflict with the decay process.
Sampling circuit to evaluate an inadequate signal is shipped towards a device named the integrator. Integrator reads the signals out of your sampling circuit, it is zoom in and transformed into DC. DC voltage is powering an audio circuit, too as in this circuit is changed to sound making use of sound of metal detectors indicate the fact that target object. If you realize whatever target items, screeners who can require passengers to eliminate all metal objects moreover with the detector. If ever the metal detector to point the metal, so screeners will make use of a sensor technology using same hand-held pulse detector to discover the specific reasons.
The marketplace for many new police equipment is multi-region. Therefore they have perhaps multiple transmit and receive coils, each coil arrived at different heights. It is essentially like a lone device containing multiple metal detectors. 
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Wednesday, September 26, 2012

Walk through metal detector in the main application areas


All public access manchester airport to experience the terminal, where everyone mustunderground metal detector , many items are required to be checked by X-ray machine.
  Most of airport metal detectors derive from pulse induction (PI) principles. The normal pulse induction system utilizes a bow tilting at the side of the coil as transmitter and receiver. The technology might be sent by way of the coil current is strong and short pulses. Each pulse generates a magnetic field. If the pulse ends, the magnetic field polarity reversal therefore the rapid decay inside the magnetic field, becoming a sharp electrical spike. The spike last several microseconds (millionths connected with a second), then leads to another in the conduction current from the coil. The following current is considered the reflected pulse, it only lasts about 30 microseconds. Then send another pulse, and this also process is repeated. Typical, in keeping with pulse induction metal detector sends about 100 pulses per second, but different manufacturers and different styles of products the number of pulses per second, there does exist unique, such as about 25 pulses per second to approximately 1,000 between pulses.
  Should you have metal objects walk-through metal detector, the heartbeat would be generated inside of the object a reverse magnetic field. Generally if the pulse magnetic field decay and make the reflected pulse, the metal objects from the reflected pulse magnetic field will extend any kind of time needs to completely disappear. Practise works business transactions on echoes: For those who are several inside the room with hard surface cries, you could only hear a really brief echo, or completely not hear the echo. It's just that since one has a quite a few hard surfaces within the shouting, echo duration could well be longer. Inside pulse induction metal detector, metal objects for the target they produce the magnetic field will "echo" superimposed on the reflected pulse, that produces the reflected pulse duration versus no metal objects a little longer.
  Metal detector on a sampling circuit for monitoring the reflected pulse duration hand held metal detector . By its comparison from the expected duration, the circuit can decide if the reflected pulse decay time extended by another magnetic field. In cases where the reflected pulse decay time, decay time more than the most common handful of microseconds is feasible that this metal objects obstruct the decay process.
  Sampling circuit to monitor an inadequate signal is sent with a device known as the integrator. Integrator reads the signals of your sampling circuit, it really is focus and changed to DC. DC voltage is linked to a sound circuit, plus in this circuit is reconstructed as sound using sound of metal detectors indicate that these target object. Should there be the target items, screeners which will require passengers to eliminate all metal objects and then again through the entire detector. In case the metal detector to point the existence of metal, so screeners make use of a sensor technology according to the same hand-held pulse detector obtain the specific reasons.
  Real estate of countless new walk through metal detector is multi-region. Which means that they also have multiple transmit and receive coils, each coil reach different heights. However this is essentially like a single one device containing multiple metal detectors.
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Thursday, September 20, 2012

The strengths and weaknesses of the city through the metal detector

The use of metal detectors to find someone, hand held metal detector or metal objects in the package. Coil metal detectors to create a small magnetic
field is echoed metal objects. When the metal coil echoed a computer or microprocessor alerts security personnel, metal or
package. The most common metal detectors to walk through, this is the type often at airports or government buildings.
Contrast the public's privacy concerns
Anywhere for all the metal detectors, a major concern for privacy. The system is effective, safe or government guards to
check to see their people passed through the detector, if they have any dangerous or prohibited objects. In the tradition of
civil liberties and privacy, many people become uncomfortable to increase the metal detector. However, supporters walk by
arguing detectors, metal detectors to prevent weapons and weapons found, people attempt to increase public security.
False positives
In the era of modern medicine, factory metal detector there may be legitimate medical reasons, a person on his body metal. If the person suffered
physical injury, through surgery, his body metal equipment, metal detectors may be extinguished, increase the consideration.
However, the monitoring of the security personnel, metal metal detector senses the object to create the image of computer,
security personnel can see, metal objects may be a harmless tool, not a weapon.
Interference with fear
Can electromagnetic fields generated by a relatively small metal detector. However, the size of walk-through metal detectors
will usually produce a large number of electromagnetic fields. This may lead to any nearby electronic equipment, including
medical equipment, electrical interference. The most important thing is that electromagnetic fields may be strong enough to
damage the pacemaker.
To curb violence
The main purpose of metal detectors to stop the violence. Some people worry that the use of metal detectors in school, while
others support their ability to eliminate the weapons detectors of public places. However, studies have shown that, even in
schools to reduce or walk-through metal detectors, specifically from the violence of public buildings, there may be any
number with any particular research methods. In addition walk through metal detector , the further application of metal detectors in public places, the
most likely to increase the public dialogue on privacy.
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Sunday, September 16, 2012

Portable Explosive Detector

·The new Portable Explosive Detectors of our company
Portable explosive detectors
Product description:
Origin: China
Type: SOSENSE AY05-02
Ⅰ, product introduction
SOSENSE AY05-02 portable explosive detectors are a new generation of the pseudo random sequence ion to open the door of the technology and Hadamard algorithm explosives detection instrumentation. Because for the first time with this technique, it and contrast to domestic and international have similar than instrument, can greatly improve the detection signal to noise ratio and the anti-interference ability, effectively reduce the false positives of the detector. This detector operation of humanity, and equipped with a special sampling pen to effectively prevent the operating personnel to pollution the test, Chinese menu, colorful display, batteries remove convenient and rapid charging, Port and USB interface are satisfy the sample to add and the needs of the instrument networking, can store 2000 log records article. Can be used in airports, ports, station, frontier inspection station, large activities, and other important place.
Displays with the Chinese menu, the detection is speed and have many kinds. Can detect the black powder, firecrackers medicine,self-control explosives, which other foreign product can't test of , and can according
to need to add more testing varieties of samples. Designed for the International market environment , suitable for domestic and overseas public security organs, procuratorial organs and each department.
Ⅱ, Technical Characteristics Of SOSENSE AY-0502
1 Based on the IMS technology and pseudo random sequence ion open the door technology, has high sensitivity
2 analysis fast, within10 seconds reach a conclusions
3 have breathe and test paper two methods to sampling
4 circulation suction device, high efficiency of sampling
5 the sample library and application all can upgrade
6 have voice and visual alarm function
7 through the network and USB ports, to use the supporting software can do data backup, updated
8 colorful display, easy operation
Ⅲ, Basic Structure
The main detectors have SOSENSE AY05-02 constitute, equipped with accessories have a power adapter , a sampling pen, a calibration thing , some sampling paper.
SOSENSE AY05-02 appearance as shown in the diagram
Accessories are as follows:
Power adapter and charger
Sampling pen
Calibration things
Sampling Paper box
Ⅳ, performance index
SOSENSE AY-0502 performance indicators
Using technology ion migration spectrum technology and pseudo random sequence ion open the door technology
Can detect kinds firecrackers, homemade explosives, medicine black powder, ammonium nitrate, TNT, black cable today, taian, nitroglycerin, bowed, son, "Mr G today, C4, etc, and can at any time according to need to add new samples
Sensitivity 10-9g
sampling way Breathe in and test (equipped with a special sampling pen)
Power AC 220 V or lithium batteries
Battery parameters 16.8 V / 13 Ah, can work continuously not less than three hours
Power adapter input 220 V, support online charging and battery charge function alone
Analysis of time 4~10 seconds
Preheat time less than 15 minutes
Alarm way audio + display information
Calibration way manual calibration
Shape dimension 435×133×210(mm)
The weight 4.6 Kg (including battery 1.4 Kg)
Work environment temperature range-20 ℃ ~ 50 ℃, relative humidity < 99%
Product List
NO. NAME UNIT QUANTITY
1 AY05-02 portable explosive detectors host set 1
2 power adapter and charger set 1
3 bsttery block 1
4 cable root 1
5 the CD of backend software piece 1
6 Standard calibration things single 1
7 Sampling pen pcs 1
8 Molecular sieve pce 6
9 Key of molecular pcs 1
10 dipstick special storage tanks pcs 3
11 special sampling test paper pcs 300
12 case pcs 1
13 product maintenance warranty card part 1
14 operation manual part 1
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Tuesday, September 11, 2012

the protable drugs detector

This drug detector has superior detectivity, it can be directly detect extremely trace amounts of heroin, marijuana, cocaine, ecstasy, viruses and methamphetamine and all kinds of other drugs. Precursor chemicals detection sensitivity can reach up to 10-9 grams or more, the testing time only need ten seconds , is the most practical drug detector in the world at present.
It is a drug detector which use the IMS technology development of ion migration spectrum, use the high and new technology which the trace of the sample ion generation, migration ,identification and ion signal processing. Drug detector is applicable public security, customs and border which use of narcotics department, luggage, etc GaCang drug package of hi-tech equipment.
Technical Detail:
Times of analysis: 4 ~ 10 s;
Sensitivity: 10-9 g;
Sampling method: breathe in and test paper
Alarm way: acoustic and visual alarm
Calibration method: internal automatic calibration
Weight: 4.15 kg (including battery)
Power supply: pay and straight, the battery can remove quickly
Display: Chinese menu, the 3.5-inch colorful screen
Interface: USB port and Network port
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Sunday, September 9, 2012

How to Make a Metal Detector Search Coil


The underground metal detector search coils emit oscillating magnetic fields to detect the metal which you want.
underground metal detector search coil is the rounded coil of wire on the end of the metal detector. The coil is fed a signal by the electronics in the body of the detector and transmits to the area surrounding it via an oscillating electromagnetic field. When the field comes into contact with a metal object, its shape will have changed. This is detected by the coil, which sends a signal back to the electronics in the metal detector, causing a sound that notifies the user of the presence of metal.
If you want to know more about the underground metal detector,you can visit our website:http://www.anjianmen.com ,or send the mail to : anjianmen.com@gmail.com ,we feel honoured to contact with you.