GSM-501 Analog Micro-R Survey Meter

GSM-501 Analog Micro-R Survey Meter

Summary

The GSM-501 outperforms its competitors with an impressive 1x1 tissue equivalent scintillator, providing a much better dose response than other Micro-R meters. This accuracy combined with a full Auto-Ranging display makes this the most accurate and easy to use Micro-R meter on the market.

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Input Sensitivity 0.050V
External CPM/Dose Switch External Switch selects CPM mode or Dose Linearized mode
Ranges 0-5| 0-50 | 0-500 | 0-5000 Micro R
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 Internal 1" x 1" Plastic Scintillator Tissue Equivalent
Probe Operating Voltage 900 vdc
Probe Energy Response 40 keV - 2 MeV Gamma Based on Cs-137=1(non-compressed)

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