Wireless Watch Type Personal Dosimeter Sound And Light Alarm Dose Rate Radiation Measurement
Wireless Watch Type Sound And Light Alarm Personal Dosimeter Dose Rateradiation Measurement
General introduction
Wrist-type personal dosimeter is mainly used to monitor X γ, it particularly suitable for the medical application of interventional radiotherapy. The dosimeter is controlled by a low-power single-chip microcomputer, which realizes LCD drive display, measurement data storage, relevant parameter setting, detector fault alarm, battery voltage detection, over-threshold acoustooptic alarm, wireless communication, wireless charging and other functions.
Main technical indicators
| Detector | Silicon semiconductor detector |
| Measuring range | Hp(10): 0.0Sv10Sv H’p(10): 1Sv/h1Sv/h |
| Alarm threshold |
Hp(10): 1continuously adjustable between Sv10Sv H’p(10): 1continuously adjustable between Sv/h1Sv/h |
| Alarm |
Alarm sound-light and LCD indication alarm, and the cumulative dose and dose rate exceed the threshold, Battery undervoltage, working overtime and detector failure alarm Audio-visual indication of different cumulative dose increments |
| LCD display |
Hp(10): 0.0Sv9999mSv H’p(10): 0.05Sv/h9999mSv/h |
| Energy response | <±30%(50keV1.5MeV) |
| Angle response |
Am-241(60keV),<±50%(0°～75°) Cs-137(662keV),<±20%(0°～75°) |
| Response linearity | <±20% (1Sv/h1Sv/h) |
| Relative inherent error | <±10% (2mSv/h,Cs-137) |
| Overload characteristic | >10Sv/h |
| Power supply | rechargeable lithium battery (3.7V, 100mAh), continuous operation 240h |
| Under voltage indication | can still work for more than 8 hours after battery under voltage indication |
| Temperature characteristic | <± 15%, @ - 10 ℃~+40 ℃ |
| Humidity characteristics | <±15%, 40%90%RH@35℃ |
| Weight | 80g |
| Size | about 50 mm × 40 mm (excluding strap) |
| Power consumption of the whole machine | about 0.3mA (excluding audible and visual alarm) |
| Data storage | The instrument stores measurement data when it is powered off, and does not lose when it is powered off |
Structure diagram
Name of each part of the instrument:
① LCD: segment code LCD ② Set key (SET)
③ Mode key (MODE) ④ Backlight key (LIGHT)
⑤ Function key (FUNC) ⑥ Detector location identification
⑦ Buzzer hole ⑧ Watchband
Standard accessories
HRD-3 dosimeter
Wireless charger/wireless communication
Rechargeable lithium battery(4.2V,100mAh)
Instruction manual
Calibration certificate
Box
Application field:
It is applicable to the protection and personal dose monitoring of workers in the fields of industrial nondestructive testing, isotope application, nuclear industry, hospital, railway, civil aviation, environmental protection and other radioactive applications
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