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International Medcom Inc. (IMI)
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IMI - Model Alert™ V2 - Radiation ...

IMI - Model Alert™ V2 -Radiation Detectors

FromInternational Medcom Inc. (IMI)

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The IMI Inspector Alert™ V2 measures alpha, beta, gamma and x-radiation using a 2-inch “pancake” GM detector with high sensitivity to common beta and alpha sources. The easy-to-read digital display shows readings in your choice of µSv/hr, mR/hr, CPM, or CPS. The Total/Timer feature allows timed readings from one minute to 40 hours for precise measurement of low level contamination. An audible alert sounds when the radiation reaches a user-adjustable level.

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Quickly alerts the user to the presence of harmful levels of nuclear radiation
Improves safety in the laboratory and in the field
Automatically compensates for GM tube dead time
Will not jam in high radiation fields
CE Certified, RoHS Compliant & Meets WEEE standards

Sensor: Halogen-quenched Geiger-Mueller tube. Effective diameter 1.75″ (45 mm). Mica window density 1.5-2.0 mg/cm²
Display: 4-digit liquid crystal display with mode indicators
Accuracy: ± 10% typical; ±15% maximum
Alert: µSv/hr: 0 to 500; mR/hr: 0 to 50; CPM: 0 to 160,000; Beeper sounds the alert
Anti-Saturation: Readout holds at full scale in fields up to 100 times the maximum reading
Audio: Beeper chirps with each radiation event (can be muted)
Averaging Periods: Display updates every 3 seconds, showing the average for the past 30-second time period at normal levels. The averaging period decreases as the radiation level increases.
Certifications: CE Certified: Emissions: EN 55011:98 + A2 (Class B emissions limits); EN 61326:06 (Class B) RF Emissions Immunity: EN 61326:06 (Annex C) Portable Test and Measurement Equipment; EN 61000-4-2:95 (ESD); EN 61000-4-3: 97; RoHS Compliant, Meets WEEE standards, and ISO 9001:2001 & ISO 14001
Count Light: Red LED flashes with each count
Detector: Halogen-quenched Geiger-Mueller tube. Effective diameter 1.75″ (45 mm). Mica window density 1.5-2.0 mg/cm² Detects Alpha, Beta, Gamma, and X-radiation
Efficiency: For 4 pi at contact
Beta C-14 (49 keV avg. 156 keV max.): 5.3% Bi-210 (390 keV avg. 1.2 MeV max.): 32% Sr-90 (546 keV and 2.3 MeV): 38% P-32 (693 keV avg. 1.7 MeV max.): 33%
Alpha Am-241 (5.5 MeV): 18%
Gamma Sensitivity: 3500 CPM/mR/hr referenced to Cs-137 Smallest detectable level for I-125 is .02 mCi at contact
Manual: IMI Inspector Alert™ V2 Surface Contamination Meter
Operating Range: µSv/hr: .01 to 1,100 mR/hr: .001 to 110 CPM: 0 to 350,000 CPS: 0 to 5,000 Total: 1 to 9,999,000 counts
Options: Computer software and cable available
Ports: Output: Stereo 3.5 mm jack sends counts to computers, data loggers, other CMOS-compatible devices, earphones, and educational data collection systems. 0-9 V, 1 kOhm impedance. Input: 2.5 mm mono jack provides calibration input. 0-3.3 V, > 5 µs width, rising edge triggered.
Power: One AA alkaline battery (9-volt alkaline battery on some models). Average battery life may be expected to exceed 3,500 hours on AA models and 2,000 hours on 9 Volt models at normal background radiation levels at sea level. Battery life decreases as radiation level rises. This instrument (AA versions) can operate with one Energizer Ultimate Lithium Cell for even longer battery life.
Size: 150 x 80 x 30 mm (5.9″ x 3.2″ x 1.2″)
Temperature Range: -20º to +50º C , -4º to +122º F
Timer: Can set sampling periods of 1 minute to 40 hours.
Weight: 323 grams (11.4 oz) including battery