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Sensor:
• Halogen-quenched Geiger-Müller detector (LND712)
• Mica end window density is 1.5-2.0 mg/cm²
• Side wall is 0.012″ #446 stainless steel
• Detects Alpha, Beta, Gamma, and X-radiation
Display: 4-digit liquid crystal display with mode indicators
Operating range:
mR/hr: .001-110
CPM: 0-350,000
µSv/hr: .01-1,100
CPS: 0-3,500
Total: 0-9,999,000 counts
Timer: up to 40 hours
Calibration: Cesium 137 (gamma)
Sensitivity: 1000 cpm/mR/hr referenced to Cs-137
Accuracy: ±10% typical; ±15% max. (mR/hr and µSv/hr modes)
Alert: User-adjustable alert level to 50 mR/hr and 160,000 CPM
Count light: Red LED flashes with each count
Audio: Beeper chirps for each count (can be muted)
Ports:
• Output: Stereo 3.5 mm jack sends counts to computers, data loggers, other CMOS-compatible devices and headphones
• Input: Mono 2.5 mm jack provides electronic calibration input
Power: 1.5 Volt AA batteries
Size: 150 x 80 x 30 mm (5.9″ x 3.2″ x 1.2″)
Weight: 225 grams (8 oz) including battery
Options: Computer cable and software (IBM PC compatible)