FJ2000 Personal Dosimeter
FJ2000 X and γ personal dosimeter is an intelligent pocket instrument, mainly used to monitor X and γ ray with direct reading of personal dose and personal dose rate. Within the measurement range, the alarm threshold can be preset, and the instrument will send out audible and visual alarm in case of exceeded threshold or blockage.
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- Detector: GM counter tube (with energy compensation)
- Measurement range: accumulated dose equivalent: Hp (10) 0.0μSv-99.99mSv，Dose equivalent rate: Hp (10) 0.1μSv/h-99.99mSv/h
- Relative error: ＜±15% (137Cs)
- Energy response: 48KeV～1.3MeV, error: ±30%
- Angular response: does not exceed ±30% at 0° to 90° compared with the response in the calibration direction with reference 137Cs
- Alarm function: the alarm threshold is preset as 50μSv and 25μSv/h. When the threshold is exceeded, there will be an audible and visual alarm. In case of blockage of counter tube, the alarm will also continue. The sound intensity is greater than 80dB at 30cm position.
- Power consumption: With two AAA 1.5V alkaline batteries (triple-A battery) in an environmental background, power consumption＜2mW, continuous working for 720h
- Dimensions: 55mm ×92mm ×18mm (W×L×T)
- Weight: 98g
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