Accurate Operation

• Factory-calibrated using a pulse generator
• Standard ±15% of the full scale relative to Cesium-137
• Results in milliroentgens/hour and counts/minute (cpm) in 3 periods
• Anti-saturation circuit up to a value equivalent to 100 times the maximum reading in the greatest interval

Easy to Use

• Results by graduated scale, flashing LED and acoustic signal
• Operates up to 2000 hours on one set of batteries
• Detects α, ß, γ and x-rays
• Choice of 3 measurement ranges