WB Johnson Instruments
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- Complete Systems for Measuring Contamination and Dose
- Complete System for Measuring Gamma Dose
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46 products found
WB Johnson Instruments products
Complete Systems for Measuring Contamination and Dose
GSM-110/115 Survey Meter & GP-200 Probe
3 & 4 Range Survey Meter w/ end window GM probe Max. 50,000 CPM & 20 mR/hr Max. 500,000 CPM & 200 mR/hr (Includes survey meter, batteries, cable & probe. Johnson systems utilize BNC type connectors.)GSM-110/115 HP
Description- 3 & 4 Range Survey Meter
- w/ pancake GM probe
- Max. 50,000 CPM & 20 mR/hr
- *Max. 500,000 CPM & 200 mR/hr
Application
- Most Sensitive to Alpha, Beta & Gamma Contamination
- Gamma Dose to 20 mR/hr
- 14C, 32P, 35S, 137Cs
GSM-110/115 GL
Description- 3 & 4 Range Survey Meter
- w/ low entergy gamma scintillation probe
- Max. 50,000 CPM
- *Max. 500,000 CPM
Application
- Most sensitive to iodine 125
- 38% + 2 pi efficiency 125I also detects 131I, 137Cs (Cannot be dose calibrated.)
GSM-500GP
Description- 4 Range Survey Meter
- Auto ranging
- w/HP-256 pancake GM probe
- Max. 500,000 CPM & 20 mR/hr
Application
- Most Sensitive to Alpha, Beta & Gamma Contamination
- Gamma Dose to 20 mR/hr
- 14C, 32P, 35S, 137Cs (Based on 137Cs calibration)
GSM-500GL
Description- 4 Range Survey Meter
- Auto ranging
- w/GLE-1 low energy gamma scintillation probe
- Max. 500,000 CPM
Application
- Most sensitive to iodine 125
- 38% + 2 pi efficiency 125I also detects 131I, 137Cs (Cannot be dose calibrated.)
Complete System for Measuring Gamma Dose
GSM-500MR
Micro R Survey Meter 4 Ranges - Microprocessor w/MRSP-1 Gamma Dose Probe Auto Ranging, Auto Linearization Max. 5,000 mR/hrGSM-110/115DP
Description- 4 Range Survey Meter
- w/ GP-1001 or 1002 Gamma Dose Probe
- Auto Ranging, Auto Linearization
- 1001-Max. 200 mR/hr
- 1002-Max. 2,000 mR/hr
Application
- Energy Compensated Gamma Dose
- 40 keV-1.5 MeV ±15%
- Cs137 Ca, 60Co, 221Ra
GSM-500DP
Description- 4 Range Survey Meter
- w/ GP-1001 or 1002 Gamma Dose Probe
- Auto Ranging, Auto Linearization
- 1001-Max. 200 mR/hr
- 1002-Max. 2,000 mR/hr
Application
- Energy Compensated Gamma Dose
- 40 keV-1.5 MeV ±15%
- Cs137 Ca, 60Co, 221Ra
2000W
Description- 7 Range Telescoping Survey Meter
- 1mR/hr - 1000R/hr
- Meter Back Light Telescopes to 142`
- Audible w/switch
Application
- Energy Compensated Gamma Dose
- 65 keV-1.5 MeV ±15% to 1000 R/hr
