051-029 Survey Meter with Pancake GM Probe

Survey Meter

Compatible Detector GM
Meter Face 0-2 mR/hr, 0 - 0.2 mR/hr and 0-500 cpm
Meter Face Dimensions 3.62" l x 1.62" w (9.2 x 4.1 cm)
Threshold 50 mV ± 5 mV Multiplier Ranges Four linear ranges x1; x10; x100 and x1000 for external and internal detector
Fully auto-ranging Internal: 0-2, 0-20, 0-200 & 0-2,000 mR/hr. External: 0 - 0.2, 0 – 2, 0 – 20 and 0 – 200 mR/hr; 0 –500, 0 – 5,000, 0 –50,000 and 0 – 500,000 cpm
Internal Detector Energy compensated GM, 50 keV – 1.5 MeV ± 15%, for high range gamma detection only; 2000 mR/hr
Dual High Voltage Supplies Internal detector 535 VDC, external detector 900 VDC
Response Optimized for each range from 4 seconds to 20 seconds full scale
Reset Momentary toggle switch to zero meter
Audio Built-in piezo speaker with ON/OFF switch
Sensitivity Internal detector: 450 c/mR/hr for Cs-137. External detector: 2500 c/mR/hr for Cs-137
Batteries Six each, size “AA”, typical life 600 hours
Construction White catalyzed polyurethane coated aluminum housing
Dimensions 7.5" l x 4.875" w x 6.75" h (19 x 12.4 x 17.14 cm)
Weight 2.5 lb (1.2 kg) including batteries

Pancake GM Probe

Indicated Use Alpha, beta and gamma, surveying, gamma dose or cpm; sample counting
Detector Pancake type halogen quenched GM
Window 1.6 ±0.3 mg/cm2 mica Window Diameter 1.75" (4 cm) Window Area 15.5 cm2 active, 12 cm2 open
Efficiency (4pi) 10.6% for C-14, 27% for Sr-90 / Y-90, 20% for Tc-99, 22% for P-32, 16% for Pu-239, 6% for P-33 Gamma Sensitivity: 2500 c/mR/hr for Cs-137
Energy Response Energy dependent Operating Voltage 900 volts Protective Screen 72% open, phosphorus bronze Housing: Catalyzed polyurethane coated aluminum
Cable 39" l (99 cm), type “BNC” connectors
Dimensions 10.7" l x 2.7" w x 2" h (27.2 x 6.9 x 5.1 cm)
Weight 0.8 lb (0.4 kg)