Sensor: Halogen-quenched Geiger-Mueller detector 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

Accuracy: ±10% typical; ±15% max. (µSv/hr and mR/hr modes)

Alert: User-adjustable alert level to 500 µSv/hr and 60,000 CPM. Beeper sounds the alert.

Anti-Saturation: Readout holds at full scale in fields up to 100 times the maximum ready

Audio: Beeper chirps for each count (can be muted)

Calibration: Cesium- 137 (gamma)

Count Light: Red LED flashes with each count

Detector: Halogen-quenched Geiger-Mueller detectorMica 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

Gamma Sensitivity: 1,000 CPM/mR/hr referenced to Cs-137

Operating Range:mR/hr: .000-110; CPM: 0-350,000; µSv/hr: .000-1,100; CPS: 0-3,500; Total: 0-9,999,000 counts

Timer: up to 40 hours

Output: Stereo 3.5 mm jack sends counts to computers, data loggers, other CMOS-compatible devices, headphones and educational data collection systems.

Input: Mono 2.5 mm jack provides electronic calibration input. 0-3.3 V,>5 µs width, rising edge triggered.

Power: One 9-volt alkaline battery; average battery life is 2,000 hours at typical, 700 hours minimum at normal background radiation levels at sea level. Battery life decreases as radiation level rises.

Sensitivity: 1000 cpm/mR/hr referenced to Cs-137

FEATURES:

• Display- 4 digit liquid crystal display with mode indicators
• Monitor personal radiation exposure
• Monitor an area or perimeter
• Detect radiation leaks and contamination
• Ensure regulatory compliance
• Meets CE Certification, RoHS compliant and WEEE standards
• Demonstrate principles of nuclear physics
• Check for radioactive minerals in the earth
• Size: 150 x 80 x 30 mm (5.9″ x 3.2″ x 1.2″)
  Weight: 225 grams (8.0 oz) w/battery