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Hazmat teams and first-responder accident coverage in buildings
0 to 500 mR/h or 0 to 5 mSv/h
"Pancake" style GM probe
Toggles and selects rate units:
Pro is a Free App in the Apple store
WM B Johnson Model GSM-5 Survey Meter WM B Johnson Hazmat teams and first-responder accidentWM B Johnson Model GSM 5 Survey Meter3 Range Beta Gamma Survey Meter 0 500, 0 5,000 & 0 50,000 CPM 0 . 2, 0 2 & 0 20 mR hr Dimensions: 8" long x 6"wide (with probe) x 6" tall 9 (with handle) Uses 3 1 Volt "D" size batteries Add a Counts. Pro (see Ebay item 401468071255) to this meter for $499 and digitally record and easily share all your measurements (a $100 discount off the regular price when you buy one of our meters): For a fraction of the price