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Complete Systems for Measuring Contamination and Dose

Model	Description	Application
GSM 115 GP (CE)	4 Range Microprocessor Survey Meter Analog Readout w/ end window GM probe Max. 500,000 CPM & 200 mR/hr Electronic Dose Linearization	Alpha, Beta & Gamma Contamination Gamma Dose to 200 mR/hr ¹⁴C, ³²P, ³⁵S, ¹³⁷Cs (Based on ¹³⁷Cs calibration)
GSM 115 HP (CE)	4 Range Microprocessor Survey Meter Analog Readout w/ pancake GM probe Max. 500,000 CPM & 200 mR/hr Electronic Dose Linearization	Most Sensitive to Alpha, Beta & Gamma Contamination Gamma Dose to 200 mR/hr ¹⁴C, ³²P, ³⁵S, ¹³⁷Cs (Based on ¹³⁷Cs calibration)
GSM 115 GL (CE)	4 Range Microprocessor Survey Meter Analog Readout w/ low energy gamma scintillation probe Max. 500,000 CPM	Most sensitive to iodine 125 38% + 2 pi efficiency ¹²⁵I also detects ¹³¹I, ¹³⁷Cs (Cannot be dose calibrated.)
GSM-500GP (CE)	4 Range Microprocessor Survey Meter Analog Readout Auto ranging w/GP-200 end window GM probe Max. 500,000 CPM & 200 mR/hr Electronic Dose Linearization	Alpha, Beta & Gamma Contamination Gamma Dose to 200 mR/hr ¹⁴C, ³²P, ³⁵S, ¹³⁷Cs (Based on ¹³⁷Cs calibration)
GSM-500HP (CE)	4 Range Microprocessor Survey Meter Analog Readout Auto ranging w/HP-256 pancake GM probe Max. 500,000 CPM & 20 mR/hr Electronic Dose Linearization	Most Sensitive to Alpha, Beta & Gamma Contamination Gamma Dose to 200 mR/hr ¹⁴C, ³²P, ³⁵S, ¹³⁷Cs (Based on ¹³⁷Cs calibration)
GSM-500GL (CE)	4 Range Microprocessor Survey Meter Analog Readout Auto Ranging w/GLE-1 low energy gamma scintillation probe Max. 500,000 CPM	Most sensitive to iodine 125 38% + 2 pi efficiency ¹²⁵I also detects ¹³¹I, ¹³⁷Cs (Cannot be dose calibrated.)