Inspector X Probe Portal Edition

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Monitoring for radioactive materials at shipping stations, points of entry, hospitals and sensitive locations has become increasingly important. The widening use of radioactive materials in medicine, science and industry creates risks related to health, safety and security. The Inspector X Probe Portal Edition was created to mitigate and manage those risks by providing a convenient and easy to use radiation monitoring solution. The instrument can be mounted on a wall with the provided hardware. A magnetic cradle keeps the sensor secure but easy to remove and use for scanning packages, clothes, shoes, hands and a variety of surfaces. The entire instrument can be removed from the wall quickly and easily for triage, decontamination and field use.

Whether for preventing the smuggling of nuclear materials or for protecting personnel from accidental exposure to radiation from a variety of sources, this instrument can be a cost effective component of any safety and security program. The financial cost of clean up of mishaps with nuclear materials can be incredibly expensive if breaches are not prevented. The alert feature on the Inspector X Probe will provide an audible signal when the user adjustable radiation threshold has been exceeded.

Inspector X Probe Portal Radiation Monitor Detects α β γ x Radiation
security and health protection solution for radiological monitoring of entrances, exits, shipping stations, emergency rooms, labs borders, embassies, and sensitive installations.

  • Maintain a safe and healthy work environment
  • Detect contamination on clothing or shoes
  • Detect concealed radiation sources
  • Ensure regulatory compliance
  • Improve security at facilities or borders
  • Monitor movement of radioactive materials
  • Avoid shipping station accidents or incidents

X-Probe mounts on the wall but can be removed rapidly for mobile deployment.

Inspector X Probe Portal Monitor Specifications

Halogen-quenched Geiger-Mueller tube Effective diameter 1.75″ (45 mm)
Mica window density 1.5–2.0 mg/cm2 Detects Alpha, Beta, Gamma, and X-radiation
4-digit liquid crystal display with mode indicators
Operating Range:
µSv/hr: .000 to 1,100
mR/hr: .000 to 110
CPM: 0 to 350,000
CPS: 0 to 6,500
Total: 0 to 9,999,000 counts
Cesium-137 (gamma)
Gamma Sensitivity:
3,340 CPM/mR/hr referenced to Cs-137
Smallest detectable level for I-125 is .02 mCi at contact
Typical Efficiency: Isotope
C-14 (Beta) Bi-210 (Beta) Sr-90 (Beta) P-32 (Beta)
Am-241 (Alpha)
For 4 pi at contact:
Energy Efficiency
49 keV avg. 156 keV max. 5.3%
390 keV avg. 1.2 MeV max. 32%
546 keV and 2.3 MeV 38%
693 keV avg. 1.7 MeV max. 33%
5.5 MeV 18%
±10% typical; ±15% maximum
Alert Range:
µSv/hr: .001 to 500
mR/hr: .001 to 50
CPM: 1 to 165,000
CPS: 1 to 2,700
Beeper sounds the alert
Can set sampling periods of 1 minute to 40 hours
Averaging Periods:
Display updates every 3 seconds, showing the average for the past 30-second time period at normal levels. The averaging period decreases as the radiation level increases.
Count Light:
Red LED flashes with each count
Beeper chirps for each count (can be muted)


  • Output: Stereo 3.5 mm jack sends counts to computers, data loggers, other CMOS-compatible devices, earphones, GeigerLink kit 0–9 V, 1 kOhm impedance.
  • Input: 2.5 mm mono jack provides calibration input. 0–3.3 V, > 5 µs width, rising edge triggered.

Readout holds at full scale in fields up to 100X the max.reading
Temperature Range:
-20° to +50° C , -4° to +122° F
One AA alkaline battery typically provides 2,000 to 4,000 hours battery life at normal background radiation levels.
150 x 80 x 30 mm (5.9″ x 3.2″ x 1.2″)
323 grams (11.4 oz) including battery
Certified; Emissions: EN 55011:2009 +A1:2010 (Class B emissions limits); EN 61326-1:2006 (Class B) RF Emissions; Immunity: EN 61326-1:2006 (Annex C) Portable Test and Measurement Equipment; EN 61000-4-2:1995 (ESD); EN 61000-4-3:1997 (EM); RoHS Compliant; Meets WEEE standards
Optional Accessories:
Red Protect® Boot; Additional Wall Mount Holders; GeigerLink™ Kit for use with Apps;

Specifications subject to change without notice. 180615-IMI-IA