HRDmini-2 Electronic X & Γ Rays Radiation Personal Dose Dosimeter
HRDmini-2 Electronic X & γ Rays Radiation Personal Dose Dosimeter
Function
The dosimeter is used to monitor the personal dose equivalent (DE) and dose equivalent rate (DER) for X & γ rays radiation. It can give out acoustic and optical alarm signals when the dose of DE or DER scales out the alarm threshold. The product adopts low power consumption single-chip microcomputer, which realizes the functions of real time display of the measured value, acoustic and optical alarm signals of the super threshold, EEPROM data storage, alarm threshold setting, detector fault alarm and battery undervoltage detection.
Main Specifications
| Detector | silicon semiconductor detector | |||
 Measurem-ent range |
Hp(10): 0.0mSv~10Sv H’p(10): 1mSv/h~500mSv/h |
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 Alarm threshold |
Hp(10): 1mSv~10Sv, can be set continuously H’p(10): 1mSv/h~500mSv/h, can be set continuously |
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| alarm | Gives audile, visual and LCD indicating alarm for over-threshold, battery- lower , over time, detector failure and DE increment tips. Sound intensity > 80dB at 30cm. |
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 LCD Display |
Hp(10): 0.0mSv~9999mSv H’p(10): 0.05mSv/h~999.9mSv/h |
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| energy Response | <±30%(50keV~1.5MeV) | |||
| Angle response |
To Am-241(60keV),< ±50%(0°～75°) To Cs-137(662keV),< ±20%(0°～75°) |
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| Response linearity | <±20% (1mSv/h~1Sv/h) | |||
| Relative to the inherent error | <±10% (1.2mSv/h,Cs-137) | |||
| Overload characteristics | >10Sv/h | |||
| Power source | Rechargeable lithium battery 3.6V. One full charge may work 200 hours. | |||
| Low battery indication | More than 8 hours can last when under-voltage alarm | |||
| Temperature effect | <±15%, ( -10℃~+40℃) | |||
| Humidity effect | <±10%, RH 40%~90% ,35℃ | |||
| Weight | About 40g | |||
| Dimensions | 52㎜×40㎜×14㎜ | |||
| Data storage and reset | measured data can be stored when power off, the data can be reset when starting up. | |||
Supplied Accessories
(1) manual & software CD 1
(2) warranty card copy 1
(3) certificate 1
(4) charger 1
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