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Ambient Dose Equivalent
Range: 0 µSv/h – 1 Sv/h (0 µrem/h – 100 rem/h)
Rate resolution: 0.01 µSv/h (1 µrem/h) or 3 digits
Dose resolution: 0.1 nSv (0.01 µrem) or 3 digits
Energy range: 16 keV – 7 MeV
Air Kerma, Kair
Range: 0 µGy/h – 1 Gy/h (0 µR/h – 114 R/h)
Rate resolution: 0.01 µGy/h (1 µR/h) or 3 digits
Dose resolution: 0.1 nGy (0.01 µR) or 3 digits
Energy range: 30 keV – 7 MeV
Mean photon energy, Ē
Range: 20 keV – 600 keV
Uncertainty: 10 % at < 100 keV, 20 % otherwise
Defining standard: ISO 4037-1:2019
Minimum dose rate(5): 20 µSv/h (2 mrem/h) or 20 µGy/h (2.3 mR/h), at T < 30 °C (86 °F)
Counter (α, β, γ)
Detector type: Geiger-Müller pancake
Window: Mica, 1.5 – 2 mg/cm2
Sensitive area: 15.55 cm2, behind 79 % open steel grid
Range: 0 cps – 20 kcps (0 cpm – 1.2 Mcpm)
Rate resolution: 0.1 cps (1 cpm) or 3 digits
Counter resolution: 1 count or 3 digits
Dead time correction : Automatic, linearity within -10% – +30%
Typical background at 0.1 µSv/h: 0.5 cps (30 cpm)
Typical gamma sensitivity, 137Cs: 6 cps / µGy/h (3000 cpm / mR/h)
Rate response time: Approximately 2 s to detect a step from 1 to 10 cps (60 to 600 cpm)
Units: cps, and cpm (1 cpm = 1/60 cps)
Dimensions 250 x 127 x 83 mm (9.8 x 5.0 x 3.3 inches)
Weight 0.8 kg (1.7 pounds)
Display 240 x 400 pixel backlit color LCD, sunlight readable
Rate alarm 65 dB(A) at 30 cm (12 inches)
Operating temperature -20 – 50 °C (-4 – 122 °F)
Storage temperature -30 – 70 °C (-22 – 158 °F)
Battery charging temperature 10 – 40 °C (50 – 104 °F)
Atmospheric pressure 70 – 107 kPa, altitude up to 3000 m (10,000 ft)
IP code IP64 (dust proof and water resistant) according to IEC 60529:1989- 2013, with lid mounted, seals intact and nothing connected to the USB connector
Humidity, without lid < 90 % relative humidity, non-condensing
Battery Built-in rechargeable lithium-ion, 2550 mAh
Battery life Up to 100 h
Connector USB micro (5 V DC, 1.3 A), for communication and charging
Mounting Standard 1/4” tripod thread on handle
Data storage 4000 stored measurements and 10 days of dose rate log with 1 s resolution
Software RaySafe View (for remote control, analysis and data export)
