特 点:
  1、监测 X、γ及硬β射线。
  2、仪器灵敏度高，对环境本底亦可测量
  3、中、英文双语操作界面。
  4、剂量率和累积剂量同时测量和显示
  5、掉点后数据保存不丢失。
  6、图形式液晶显示，屏幕。
  7、功耗低，有电池欠压指示功能。
  8、仪器可预置剂量率和累积剂量报警阈值
  9、声/光/震动三种报警方式可选
技术指标：
  1、探测射线：γ、X 和硬β射线
  2、探测器：能量补偿GM管（盖格计数管）
  3、测量范围
      a、剂量当量率: 0.01～1000μSv/h （10mSv/h）
      b、累积剂量当量: 0.01μSv～500.0mSv
  4、能量范围：50 keV～1.5 MeV ≤±30%（对137Cs 归一）
  5、相对固有误差: ≤±15% （137CS  1mSv/h）
  6、灵敏度：80 CPM /μSv/h （对于Co-60）
  7、报警阈值：
      a、剂量率：可在0.5、1.0、1.5、2.0、2.5、5.0、10.0、50.0、100.0 μSv/h任意选择
      b、累积剂量：0.05、0.5、1.0、2.0、5.0、10.0、20.0、50.0、100.0 mSv任意选择
  8、剂量率单位：μSv/h、μGy/h、mR/h
  9、测量显示：剂量率每秒显示, 防护报警响应时间小于5秒
  10、使用环境：温度 -10℃ ~ +45℃。相对湿度：≤95%（+45℃ ）
  11、供电电源：2节5号（AA）电池或充电电池 
  12、尺寸重量：0.3kg；135×70×25mm

      REN200 Personal Dosimeter, internally installed with Geiger counter tube as the inspector, is mainly used for monitoring radiations of X, gamma ａnd hard beta rays in various radioactive work places with features of quick reaction ａnd wide measurement range. It can display the dose equivalent rate ａnd accumulated dose in the work place. The calendar, time ａnd other cumulative data can be permanently saved when replace the batteries. It is used extensively for staff personal safety protection monitor ａnd radiation alert in environment monitoring for places including nuclear power station, accelerator, steel industry, chemical industry, isotope application,   nondestructive inspection with X ａnd gamma rays in industry, medical radiation, cobalt source treatment, gamma irradiation, radioactivity laboratory ａnd nuclear facilities.
Features:
1. Monitor X, gamma ａnd hard beta rays.
2. With high sensitivity, the instrument can also measure the environment background.
3. Interface using both of Chinese ａnd English.
4. Contemporary measurement ａnd display for both of dose rate ａnd accumulated dose.
5. The permanently saved data will not lose after the power failure.
6. Graphic LCD with adequately big screen.
7. Low power consumption; indication function of battery under voltage.
8. Presettable alarm threshold of dose rate ａnd accumulated dose.
9. Optional alarm modes including sound / light / vibration.
Technological Parameters:
1. Radiation Detection: gamma, X ａnd hard beta rays
2. Detector: energy compensation GM tube （Geiger counter tube）
3. Measurement range
a. Dose equivalent rate: 0.01～1000μSv/h （maximum 10mSv/h）
b. Accumulated dose equivalent: 0.01μSv～500.0mSv
4. Energy range: 50 keV～1.5 MeV ≤±30% （for 137Cs 1）
5. Relative inherent error: ≤±15% （137CS  1mSv/h）
6. Sensitivity: 80 CPM /μSv/h （for Co-60）
7. Alarm threshold:
a. Dose rate: arbitrary selection among 0.5, 1.0, 1.5, 2.0, 2.5, 5.0, 10.0, 50.0, 100.0 μSv/h
b. Accumulated dose: arbitrary selection among 0.05, 0.5, 1.0, 2.0, 5.0, 10.0, 20.0, 50.0, 100.0 mSv
8. Dose rate unit: μSv/h, μGy/h, mR/h
9. Measurement display: the dose rate display will ｕpdate every second ａnd the protect alarm display is shorter than 5 seconds.
10. Operating environment: temperature  -10℃ ~ +45℃.
Relative humility: ≤95% （+45℃）
11. Power supply: 2 AA batteries or rechargeable batteries
12. Dimensions ａnd weight: 0.3kg; 135×70×25mm