RadEye™ B20 and B20-ER Multi-Purpose Survey Meters

First responders need to quickly identify mixed radioactive surface contamination in facility and field environments. Thermo Scientific™ RadEye™ B20 and B20-ER Multi-Purpose Survey Meters are simple, robust, reliable contamination and dose rate measurement tools for characterizing alpha, beta, gamma and X-ray radiation. RadEye B20 and B20-ER Multi-Purpose handheld Geiger counters provide an on-site solution for homeland security personnel, fire brigades, emergency response personnel, agencies involved in decontamination and decommissioning projects and hospital and pharmaceutical industry employees.

Sensitivity 0 to 2 mSv/h (0-200 mR/h)
Description RadEye B20 Multi-Purpose Survey Meter
Dimensions (L x W x H) 5.2 x 2.8 x 5.2 in. (13 x 7 x 13 cm)
Energy Range 17 keV to 1.3 MeV with gamma energy filter
Battery Type 2 AAA
Product Type Survey Meter
Measurement Range Contamination B-20: 0 - 10 kcps; B20ER: 0 - 500 kcps
Efficiency 2p Efficiency (ref. to 50 mm diameter without rubber sleeve): Am-241; Co-60: 25%; Sr/Y-90: 36%; C-14: 19%
Detector Type Pancake GM-tube, window dia. 44 mm (1.7 in.), 1.8 to 2.0mg/cm2
For Use With (Application) Homeland Security; Fire Departments; Emergency Response; Hospitals; Nuclear Power Industry; Pharmaceutical Industry; Universities
Alarm Types LED, sound, vibrator
Radiation Type Gamma
Units cps, cpm. Bq, dpm, dps, Sv/h, rem/h
Dose Range Gamma Dose Rate: 0 to 2 mSv/h (0 to 200 mR/h); Contamination: 0 to 10 kcps
Battery Life >500 hr.s on two AAA batteries
Weight (Metric) 0.3 kg

RadEye B20 and B20-ER Multi-Purpose Survey Meters offer consistent, reliable results in any application requiring radiological surveys of flat surfaces. Model B20 is for normal measurements. Model B20-ER is for high-range measurements.

  • Lightweight (300g), excellent grip with and without gloves.
  • Rugged and compact design, thick rubber protective cover.
  • Low cost of ownership with > 500 hour operation time with 2 AAA batteries – rechargeable NiMH-cells can be used.
  • Menu-driven user interface results in low training cost and immediate familiarity.
  • Huge internal data memory for both scaler results and continuous data recording.
  • Bright backlit LCD display. Plain text messages and different languages can be selected.
  • Easy adaptation to different tasks by supervisor configuration, calibration, selection of measuring units.
  • Versatile operation modes:

Scaler/Timer with preset count and preset time for sample measurements.
Continuous ratemeter mode for frisker operation.
Dose rate mode.

  • Audible indication: single pulse or chirper mode proportional to count rate.
  • Earphone output for operation in loud environment.
  • IR PC Interface or Bluetooth™ as option.
  • Advanced Windows™ software is available as option.

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