GSM-500 Auto-Ranging Survey Meter

GSM-500 Auto-Ranging Survey Meter

Summary

This microprocessor-controlled instrument represents the gold standard of survey instruments. The GSM-500 is a digital ciruitry instrument with an analog display that automatically chooses the correct range with no user intervention required. Comes standard with probe saturation and other error indicators.

FEATURES
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Input Sensitivity 0.050V
External CPM/Dose Switch External Switch selects CPM mode or Dose Linearized mode
Four Linear Ranges 0-0.2, 0-2,0-20,0-200 mR/hr
0-500,0-5,000, 0-50,000, 0-500,000 CPM
Ranges will depend on selected probes
Calibration Controls Each mode & range has separate non-interacting controls
Diagnostics HV Out of Range, Battery Low, Probe Over Range
Range Adjustment Auto-Ranging
Electrical Non-Linearity +- 5% of Full Scale
Response Time Optimized for Each Range
Drift <5%
Audio On-Off Front Panel Switch, water and solvent resistant
Environmental -20° F[-28° C]-140° F[60° C] | 5-95% RH IPX4 Housing
High Voltage Adjustable 300-1500 VDC|Regulation +-1%
Low Voltage +5 VDC & -5 VDC Regulation +-0.5%
Battery 6 "AA" Alkaline-400 hours nominal
Meter 3.5" Scale | Ruggedized Meter Movement
Calibrated 0-500 | 0-0.2 | Linearity +-3%
Circuitry Digital Microprocessor Controlled w/Analog Readout
Dimensions 5.25" (14cm) H x 4" (10cm) W x 7" (18cm) L
Weight 2.5 lbs. (1.2 Kilos)
Probes Supports all Johnson Probes
Probe Energy Response Depends on Selected Probes

Datasheet

Downloadable Datasheet, Product Manual & Other Resources