GSM-500 Auto-Ranging Analog Survey Meter W.B. Johnson  GSM-500 Auto Ranging Survey Meter CE mark

For use with all G-M, Scintillation, and Alpha Probes

Discountinued / limited supply - please call first.

wb johnson GSM-500 meterThe GSM-500 microprocessor survey meter is auto-ranging and features integration and peak-hold operating modes. This survey meter has the capability of simultaneous calibration for counts per minute and dose. Compatible probes include all G-M and scintillation probes.


Probe Compatibility: GP-200 End Window probe, HP-265 Pancake G-M Probe, GLE-1 Low Energy NaI probe, GSP-1 NaI Scintillation Probe 1"x1", GSP-2 NaI Scintillation Probe 2"x2", ASP-2A Alpha Scintillation probe, MRSP-1 Plastic Scintillation probe, GP-1001 Energy compensated Cylindrical G-M probe, and others.
Ranges: 0-.2, 0-2, 0-20, & 0-200 mR/hr, CPM: 0-500, 0-5000 and 0-50,000, and 0-500,000 cpm
Panel Controls: Off, Measure, Integrate, Peak Hold, CPM/Dose, Speaker, Meter Instant Zero
Diagnostics: Visual low battery, detector, saturation, and HV out of range indicators
Calibration: CPM and Dose (Based on 137Cs calibration) - CPM dead time compensated, dose linearized
Adjustable high voltage: 300 - 1300 volts ±1%
Response Time : Optimized for each range
Audio Output: On-Off Front Panel Switch, Water & solvent resistant
Power Supply: QTY Six AA Alkaline
Display: 3.5 inch Rugged water resistant panel meter, analog
Dimensions: 5-½" (14 cm) H X 4" (10 cm) W X 7" (18 cm)
Weight: 2.25 lbs (1 kg)
Construction: Heavy Duty Cast Aluminum and Stainless Steel
Environmentally: stable from - 20 degrees C to 60 degrees C, moisture resistant

GSM-500 Analog Survey Meter......................

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