产品详情
  • 产品名称:AT2503A 经济型个人辐射剂量计

  • 产品型号:AT2503A
  • 产品厂商:阿通特斯ATOMTEX
  • 产品价格:0
  • 折扣价格:0
  • 产品文档:
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简单介绍:
操作简便,精度高,可靠性高,袖珍型微处理器。再加上连接到PC的读取器,也可以是工作人员的剂量负担自动监控系统的一部分。 等效剂量:1 mSv ~ 10 Sv,0.1 mSv增量 等效剂量率:AT2503:0.1 mSv ~ 0.5 Sv,AT2503A:0.1 mSv/h ~ 0.1 Sv/h 反应时间:当Hp(10)大于10 mSv/h时为5秒 本身剂量量测误差:±15% 在137 C
详情介绍:

 
      Easy to operate, pocket-sized microprocessor instruments with high accuracy and reliability. Together with the reader connected to PC it can be a part of automated monitoring system of staff dose burden.

Features
- Simultaneous wide-range gamma radiation dose and dose rate measuring
- Proof aginst impacts and vibrations, dust and water, electromegnetic-resistant
- Continuous self-testing of detector and cells discharge
- Audible and visual alarm
- Stand-alone or system application
- Pocket-sized and light weight
- Pulsed x-ray radiation alarming mode, pulse duration > 10 ns

Application

- Nuclear industry
- Nuclear medicine
- Radiology
- NDT
- Emergency
- Civil aviation
- Scientific research
- Population dose burden monitoring


The dosimeters are intended to measure personal equivalent x-ray and gamma radiation dose and dose rate in the energy range from 50 keV to 1.5 MeV. The detector is GM-tube with the energy compensative filter. Microprocessor processing and proper background detection ensure high accuracy of dose measurement within the wide dose rate measuring range. The microprocessor controls operation modes over, calculates, outputs data on a backlit LCD and performs self-testing. The nonvolatile memory keeps the accumulated dose and its accumulation history when the dosimeter is off. The dosimeter is calibrated on a water phantom of 30 x 30 x 15 cm. The dosimeter is designed to be carried in a breast pocket. It complies with ISO4037-3 International standard requirements.
 The dosimeter can operate singly or in a dosimetry control system: dosimeter - reader - PC. The dosimeter connects to the reader via IR channel, and the reader connects to PC via RS232. The dosimeter software is intended to:
- Read/setup personal and serial dosimeter numbers;
- Change dose and dose rate thresholds;
- Disable/enable to change dosimeter thresholds by the dosimeter button;
- Change the dose accumulation interval in the range from 1 to 255 min and evaluate accumulated dose for each time interval within a work shift;
- Save automatically up to 800 dose values in the nonvolatile memory accumulated for the selected accumulation interval;
- Reset accumulated dose;
- Disable/enable to reset accumulated dose by the dosimeter button;
- Save automatically data in the data base and print them.
The operation modes are "Dose ", "Dose rate ", "Economical", "Menu", "Reset dose", "Dose threshold", "Dose rate threshold" and "Data exchange with PC".


Specification
 
Measuring range  
personal dose equivalent (in increment of 0.1 µSv)  
AT2503, AT2503A 1 µSv - 10 Sv
personal dose rate equivalent  
AT2503 0.1 µSv/h - 0.5 Sv/h
AT2503A 0.1 µSv/h - 0.1 Sv/h
Energy range 50 keV - 1.5 MeV
Intrinsic dose measurement error ± 15 %
Calibration error on 137Cs ± 5 %
Intrinsic dose rate measurement error  
in the range from 0.1 to 1 µSv/h ± 25 %
more than 1 µSv/h ± 15 %
Energy sensitivity response
in the range from 50 keV to 1.5 MeV
± 30 %
Audible and visual alarm at dose and dose rate measuring range or dose and dose rate threshold exceeding; detector failure; cells discharge  
Alarm thresholds (independent)  
dose: 30 µSv, 200 µSv, 1 mSv, 4.2 mSv, 12.5 mSv, 50 mSv, 100 mSv, 1 Sv  
dose rate: 0.6 µSv/h, 3 µSv/h, 30 µSv/h, 300 µSv/h, 3 mSv/h, 30 mSv/h, 300 mSv/h, 500 mSv/h  
customized thresholds  
Anisotropy within ±75°  
for 137Cs and 60Co ± 20 %
for 241Am ± 50%
Response time to dose rate change when dose rate > 10 µSv/h 5 s
Radiation overload  
AT2503 up to 5 Sv/h
AT2503A up to 1 Sv/h
Operating conditions  
operating temperature range -10о - + 40о
relative humidity at temperature of + 35о С up to 90 %
shock-proof (to fall from 1.5 m)  
Operation mode setup time 1 min
Protection class IP54
Power requirements - 3 cells, type SR44, V357, LR44, A76
Continuous operation time from one cells set
when dose rate < 1 µSv/h
1000 h
in economical mode (the LCD is off) 5000 h
Electromagnetic compatibility  
EN 61000-4-2:1995  
EN 61000-4-3:2002  
Dimensions  
dosimeter 85х46х16 mm
reader 90х66х28 mm
Weight  
dosimeter 70 g
reader 300 g




 

Complete set: personal dosimeter, cells, chain with a clamp, plastic boxes for easy decontamination, Manual and package.

The reader and applied software and AT2503 and AT2503A modifications with the operating temperature range from-30 to +600С and the optional pulsed x-ray radiation alarming mode are supplied on additional order.

The personal dosimeters AT2503 and AT2503A have pattern approval certificates of Republic of Belarus, Russian Federation, Ukraine, Kazakhstan and Lithuania.

They comply with IEC 61283 International standard requirements. They also conform with the 89/33/EEC Directive complying with EN 55022 B:1998 and EN 55024 B: 1998 stansdard requirements.


 

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