IMI Radalert 200 Radiation survey meter (CPM: 0 to 350,000)

Detector:

Halogen-quenched Geiger-Mueller detector (LND 712)

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:

µSv/hr: .000 to 2000

mR/hr: .000 to 200

CPM: 0 to 350,000

CPS: 0 to 3,500

Total: 0 to 9,999,000 counts

Calibration: Cesium-137 (gamma)

Gamma Sensitivity: 1,200 CPM/mR/hr referenced to Cs-137

Accuracy: ±10% typical; ±15% maximum

Alert Range:

µSv/hr: .001 to500

mR/hr: .001 to 50

CPM: 1 to 350,000

CPS: 1 to 3,500

Beeper sounds the alert

Timer: Can set sampling periods of 1 minute to 40 hours

Averaging Periods:

Display updates every 3 seconds, showing the average for the past 60-second time period at normal levels. The averaging period decreases as the radiation level increases.

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 signal to standard headset, computers, data loggers: Nominal 6V pulse 1 kOhm impedance.

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

Anti-Saturation:

Readout holds at full scale in fields up to 100 times the maximum reading

Temperature Range: -20° to +50° C , -4° to +122° F

Power: 1 AA alkaline battery

Size: 150 x 80 x 30 mm (5.9″ x 3.2″ x 1.2″)

Weight: 225 grams (8 oz) including battery

Certifications:

Certified; Emissions: EN 55011:2009 +A1:2010 (Class B emissions limits); EN 61326-1:2006 (Class B) RF Emissions; Immunity: EN 61326-1:2006 (Annex C) Portable Test and Measurement Equipment; EN 61000-4-2:1995 (ESD); EN