Features:
- For facilities using Gamma
- Two models, high-sensitivity and wide-range
- Available to suit specific target dose rate
- For facilities using Gamma
- Two models, high-sensitivity and wide-range, available to suit specific target dose rate
- Large display
- Equipped with alarm and external signal output
- Belt and wall-mounting fixtures provided
Specifications
MAR-781 (high-sensitivity type) | MAR-782 (wide-range type) | |
Radiation detected | Gamma, X-ray | |
---|---|---|
Detector | Silicon semiconductor | |
Measurement energy range | Approx. 50 keV to 6 MeV | |
Accuracy | Within ±10% (1 to 999.9 μSv/h) ±1 digit (0.1 to 0.9μSv/h) Reference 137Cs | Within ±10% (0.01 to 99.99mSv/h) ±1 digit (0.001 to 0.009mSv/h) Reference 137Cs |
Counting system | Digital rate meter method, Moving average method | |
Alarm display output | Red LED lights up and buzzer turns on. Numerical indication blinks No-voltage contact output | |
Data output | Conforms to RS-422, RS-232C, or current loop communication (RS-422 output set at the factory. For RS-232C or current loop communication, internal wiring changed on request.) | |
Analog output | 0.1 to 1,000μSv/h, 4-decade log scale 0 to 1 VDC output | 0.001 to 100mSv/h, 5-decade log scale 0 to 1 VDC output |
Detector extension (Optional) | Up to 40 m using extension cable | |
Environmental requirements in operation | Temperature : 0 to +40 degrees C Humidity : 90%RH or less (Non-condensing) | |
Power | 100VAC or 6 VDC * Battery-operated model (MAR-783) is available. Please contact us for further details. | 100VAC or 6 VDC * Battery-operated model (MAR-784) is available. Please contact us for further details. |
Dimensions | Approx. (W) 300 x (D) 55 x (H) 250 mm | |
Weight | Approx. 2.3 kg |