WM B Johnson GSM-500 MICROPROCESSOR SURVEY METERWM B Johnson GSM 500 MICROPROCESSOR SURVEY METER * RANGES 0 . 2, 0 2, 0 20 & 0 200 mR HR OR Sv UNITS 0 500, 0 5,000, 0 50,000 & 0 500,000 CPM * FULL AUTO RANGING * INTEGRATE OPERATING MODE * PEAK HOLD OPERATING MODE * SIMULTANEOUS CALIBRATION IN CPM & DOSE * AUTO LINEARIZATION OF GAMMA DOSE RESPONSE FOR EACH PROBE * ADJUSTABLE HIGH VOLTAGE 300 1500 vdc 1% * INPUT SENSITIVITY 0. 020 v p p MAXIMUM ADJUSTABLE TO 5 v p p * VISUAL HV AND PROBE SIGNAL OUT

EFFICIENCY (4π): 37% - 239Pu

A 1000 mg/cm² retractable beta shield allows beta measurement with a 7 mg/cm² window

polished anodized aluminum

WM B Johnson Model GSM-5 Survey Meter3 Range Beta - Gamma Survey Meter

linear amplifier

Pro and regularly sell and service radiation detectors for nuclear industry

15% - 239Pu

organic scintillator

Can replace a GM probe without requiring ratemeter replacement

Detector Material: PN3 polymer

BATTERY LIFE: typically 120 hours with alkaline batteries (battery condition can be checked on meter)

Barcode 16010766