MJW Technical Services, Inc.

Print Sun September 05, 2010

Johnson Product List

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Probes


ModelDescriptionApplication
AM-805
  • Foot Monitor
  • Utilizes 3 high sensitivity pancake detectors to detect most common radioactive materials used in laboratories Good sensitivity to C14
  • Built-in film holder to prevent detector contamination
  • High sensitivity foot monitor for most common radioactive material very good sensitivity to C14, P32, P33, Cs 137 Operates with Model RML-200 or most Portable Ratemeters w/900vdc
GP-200 (CE)
  • END WINDOW GM
  • 1.6 mg/cm2 Window
  • Good Sensitivity to 14C, 32P, 35S & 137CS Contamination
  • Good Gamma Dose
  • .1 MeV to 1.5 MeV-BNC Connector
  • General Purpose Alpha, Beta, Gamma Contamination Monitoring 200 mR/hr Gamma Dose Monitoring (Based on 137Cs calibration)
HP-265 (CE)
  • PANCAKE GM
  • 1.6 mg/cm2 Window
  • Good Sensitivity to 14C, 32P, 35S & 137CS Contamination
  • Good Gamma Dose
  • .1 MeV to 1.5 MeV-BNC Connector
  • General Purpose Alpha, Beta, Gamma Contamination Monitoring 200 mR/hr Gamma Dose Monitoring (Based on 137Cs calibration)
PPA-2T
  • PANCAKE GM
  • 1.6 mg/cm2 Window w/Tungsten Back Shield
  • Best Sensitivity to 14C, 32P, 35S & 137CS Contamination
  • BNC Connector
  • Lowest Background
  • Excellent General Purpose Gamma Contamination
GP-1001 (CE)
  • CYLINDER GM
  • Energy Compensated
  • 40 keV-1.5 MeV ±15% Gamma Dose Range
  • 0-200 mR/hr Gamma Dose
  • BNC Connector
  • Energy compensated to 200 mR/hr
GP-1002 (CE)
  • CYLINDER GM
  • Energy Compensated
  • 40 keV-1.5 MeV ±15% Gamma Dose Range
  • 0-1000 mR/hr Gamma Dose
  • BNC Connector
  • Energy compensated to 1000 mR/hr
GP-1003 (CE)
  • CYLINDER GM
  • Energy Compensated
  • 40 keV-1.5 MeV ±15% Gamma Dose Range
  • 0-10,000 mR/hr (10R/hr) Gamma Dose
  • BNC Connector
  • Energy compensated to 10,000 mR/hr (10R/hr)
GP-1010 (CE)
  • GENERAL PURPOSE GAMMA/BETA W/ROTATING BETA WINDOW
  • Energy Dependant
  • 60 KeV-2 MeV Gamma-200 Mr/hr max.
  • 200KeV Beta Minimum
  • Good general purpose detector to measure most common gamma and many common beta emitters. Rotating beta shield lets operator differentiate between gamma and beta.
GLE-1 (CE)
  • LOW ENERGY GAMMA SCINTILLATION
  • Best for Iodine 125 & other Low Energy Gamma Contamination
  • 1" X 2 mm Crystal w/7 mg/cm2 Window
  • Magnetically Shielded BNC Connector
  • Most Sensitive I-125 Monitor
  • Excellent Low Energy Gamma Monitoring (Cannot be dose calibrated)
GSP-1 (CE)
  • 1" x 1" GAMMA SCINTILLATION
  • 35 mg/cm2Window
  • Magnetically Shielded & Shock Mounted Background
  • Approx. 200 CPM/µR/hr
  • Magnetically Shielded - BNC Connector
  • General Purpose Gamma Contamination & Spectroscopy Monitoring
GSP-2 (CE)
  • 2" x 2" GAMMA SCINTILLATION
  • 35 mg/cm2Window
  • Magnetically Shielded & Shock Mounted Background
  • Approximately 200 CPM/µR/hr w/900 VDC
  • Magnetically Shielded - BNC Connector
  • General Purpose Gamma Contamination & Spectroscopy Monitoring
ASP-2A (CE)
  • 2" x ALPHA SCINTILLATION
  • 0.5 mg/cm2Window
  • Magnetically Shielded & Shock Mounted
  • Low Background
  • BNC Connector
  • High Sensitivity to Alpha Contamination 40+% Efficiency to Americium 241
MRSP-1 (CE)
  • Excellent tissue equivalent micro R gamma detector.
  • Good energy response from 15 keV to 2 MeV. Dose calibration based on 137Cs.