GSM-506 Four Range Microprocessor Survey Meter  
with Internal Energy Compensated G-M probe

The GSM-506 is four range microprocessor survey meter that  utilizes an external probe and internal energy compensated G-M probe for an added high range. The internal G-M detector is active on all four ranges, with a range of 0-2 R/hr.  The meter can be calibrated for up to two external probes. Standard features include auto-ranging, integration, peak hold, instant zero, and linearization of dose response from gamma probes. CPM and dose is selectable via a front panel switch.  The GSM-506 Survey Meter meets nuclear medicine requirements.  

GSM-506 Internal/External Probe Microprocessor Survey Meter Specifications:

INPUT SENSITIVITY: 0.050v-p-p

EXTERNAL CPM/DOSE SWITCH: External switch selects CPM Mode or Dose Linearized Mode for the active probe.

RANGES - INTERNAL -AUTORANGING: 0 - .2, 0—20, 0—200 & 0—2000 mR/hr - four ranges

RANGES - EXTERNAL - AUTORANGING:

  • 0 - .2 , 0—2 , 0 —20 & 0 200 mR/H ----- four ranges

  • 0 –500, 0- 5,000 , 50,000 & 500.000 CPM — four ranges

  • Other ranges available supporting up to seven probes.

DIAGNOSTICS: HV out or range, low battery, probe saturation

RANGE ADJUSTMENT: Auto-Ranging

ELECTRICAL LINEARITY: ± 5% of Full Scale

RESPONSE TIME: Optimized each range

DRIFT: less than 5%

ENVIRONMENTAL: -20°F (-28° C)— 140°F (60° C)

HIGH VOLTAGE ADJUSTABLE: - 300 - 1300 VDC- Regulation ± 1%

LOW VOLTAGE: +5 VDC & -5 VDC Regulation ± 0.5 %

BATTERY: 6- "AA" ALKALINE —400 HRS Nominal

AUDIO: Water and Solvent Resistant — ON/OFF Front panel switch.

METER: High torque 3.5" with LED indicators in face for each range, probe saturation, HV out of range, and low battery.

CIRCUITRY: 100% Digital—Microprocessor controlled

DIMENSIONS: 5 1/2” (14 cm) H X 4” (10 cm) W X 7” (18 cm) L

WEIGHT: 2½POUNDS ( 1.2 kg) with batteries

CONSTRUCTION: Cast Aluminum and Stainless Steel

PROBES: Internal energy compensated G-M probe, 0—2000 mR/hr — 550 vdc

EXTERNAL—Supports all of our probes

EXTERNAL PROBE COMPATABILITY: GP-200, HP-265, GP-1001, GP-1002, GP-1003, GSP-1, GSP-1, ASP-2A &MRSP-1

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to order:    tel (888) 368 9118 or (310) 589 0601   fax (888) 440-1319,   Email

Direct Scientific / 124 San Tropez Ct. / Laguna Beach, California 92651  
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