Nuclear Instruments
Section One .Laboratory Radiation Measuring Instruments Section Two.Portable Style Radiation Detection Instrument Section Three.Radioactive contamination monitor Section Four.Radioactive waste measurements Section Five.Underwater Radioactivity Measuring Device Section Six.Area Radiation Measurement Section Seven.Tritium Air Monitors
HOME > PRODUCT > Nuclear Instruments > Section Six.Area Radiation Measurement > TK-601 Area Gamma Alarm &Monitoring
Area Gamma Alarm &Monitoring
Product details

. Product Introduction

The AGam area radiation alarm instrument is an area nuclear radiation alarm device developed by Beijing Tai Kun Industrial Equipment Co.,Ltd. The instrument adopts Geiger–Müller tubes with energy compensation and 3He neutron counters with polyethylene moderator as the main detectors. In respect of gamma-ray detection, the two G-M tubes designed for the high and low range can cover both the high and low range and ensure the accuracy of measured data to the greatest extent. In respect of neutron detection, with large 3He neutron counters, the instrument can meet the sensitivity requirement for on-site measurement. The probes communicate over RS485 links, with the maximum transmission distance up to 1.2km. The host computer is equipped with RS485 and RJ45 communication interface, able to conduct network measurement when combined with upper computer software of our company.

The standard configuration of AGam consists of 4 trains of gamma detectors, 4 trains of neutron detectors, and users can set alarm setpoint for each train. The number of neutron detector and gamma ray detector is at customer’s choice

. Main Features

l  The detector type and amount can be customized as you like.

l  The alarm setpoint is adjustable.

l  Users can choose real-time dose mode or accumulative dose mode, and can query the data in real time.

l  The host computer has sound and light alarm, and state indicator. Users can know about the operation state of the host computer and whether the environment dose has reached the critical point via corresponding indicators.

l  The host computer has the administrator mode, in order to help users to protect system operations which require higher privileges.

. Technical Specifications

1.       Gamma radiation measurement

l  Detectors: Geiger–Müller counter tubes with energy compensation;

l  Energy range: gamma ray: 30keV~3MeV;

l  Measurement range: 0.1 μSv/h10Sv/h, and can bear overloads of 10 times the upper measurement limit;

l  Inherent error: less than 10% (137Cs);

l  Alarm response time: less than 150ms;

l  Relative error: ±20%

l  Isotropic response time: (1) ±20%(0°~60°)      (2) ±50% (>60°)

l  Preheating time: 5min

l  Alarm setpoint: 10μGy/h (can be set artificially)

2.       Neutron detection

l  Detectable range: 0.025eV~25MeV;

l  Measurement range: 10nSv/h10mSv/h;

l  Gas filling: 103 cm3;

l  Gas pressure: 10atm;

l  Alarm setpoint: 0.1μGy/h (can be set artificially);

l  Temperature range: -10°C 50°C.

3.       Total reliability indicators:

l  MTBR: 15,000h;

l  MTTR: 0.5h;

l  Protection level: IP65.


. Applications

l  TK-602 can be used in area gamma/neutron radiation detection, dose rate measurement, criticality alarm and other fields. It is applicable for network measurement when combined with upper computer software of Beijing Tai Kun Industrial Equipment Co.,Ltd.

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