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Handheld Surface Contamination Meter

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Handheld Surface Contamination Meter The Inspector Alert 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 mR/hr, CPM, CPS, or µS/hr. The Total/Timer feature allows timed readings from one minute to 24 hours for precise measurement of low level contamination. An audible alert sounds when the radiaiton reaches a user-adjustable level. • Quickly alerts first responders 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 • Meets CE certification requirements for Europe Specifications: Detector: 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 Operating Range: mR/hr: .001 to 100.0 CPM: 0 to 350,000 Total: 1 to 9,999,000 counts µSv/hr: .01 to 1,000 CPS: 0 to 5,000 Gamma Sensitivity: 3500 CPM/mR/hr referenced to Cs-137 Smallest detectable level for I-125 is .02 µCi at contact Efficiency: For 4 pi geometry 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% 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. User can select fast 3-second averaging period Timer: Can set 1-10 minute sampling periods in one-minute increments, 10-50 minute sampling periods in 10-minute increments, and 1-24 hour sampling periods in 1-hour increments Alert: Beeper sounds the alert User-adjustable alert level is set using three buttons Accuracy: ± 15% up to 50 mR/hr; ± 20% up to 100 mR/hr Anti-Saturation: Readout holds at full scale in fields up to 100 times the maximum reading Temperature Range: -20º to +50º C , -4º to +122º F Power: One 9-volt alkaline battery; battery life is average 2160 hours at normal background, average 625 hours at 1 mR/hr with beeper off Size: 150 x 80 x 30 mm (5.9" x 3.2" x 1.2") Weight: 323 grams (11.4 oz) including battery I/O Ports: Dual miniature jack for CMOS or TTL devices, sending counts to computer or data logger. Submini jack for electronic calibration. Count Light: Red LED flashes with each radiation event Audio: Beeper beeps with each radiation event; can be muted Options: Wipe test plate Contact: Huaruison Science and Technology Development Co., Ltd. Address：No.16 guanghuaRoad,Tongzhou Development Zone Bejing 10100,P.R.China Phone:0086-10-51266093，QQ:1275041125 Fax:0086-10-51266093 E-mail：huarui51266093@163.com http://www.huaruison.com

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