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

Quickly characterize mixed surface contamination from gamma radiation, x-ray radiation, alpha radiation and beta radiation with dose rate measurement survey meters.

Manufacturer: Thermo Scientific™ 4250685

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Catalog No. 19-810-125

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    Weight (English) 0.7 lb.
    Applications Homeland Security; Fire Departments; Emergency Response; Hospitals; Nuclear Power Industry; Pharmaceutical Industry; Universities
    Weight (Metric) 300g
    Width (English) 2.8 in.
    Measurement Ranges Contamination B-20: 0 - 10kcps; B20ER: 0 - 500kcps
    Battery Life More than 500 hours on two AAA batteries
    Alarm Types LED, sound, vibrator
    Description RadEye B20 Multi-Purpose Survey Meter
    Alarms LED, sound, vibrator
    Battery Type 2 AAA batteries
    Diameter (English) Window 1.7 in.
    Diameter (Metric) Window 44mm
    Dose Range Gamma Dose Rate: 0 to 2mSv/h (0 to 200mR/h); Contamination: 0 to 10kcps
    Detectors Pancake GM-tube, window dia. 44 mm (1.7 in.), 1.8 to 2.0mg/cm2
    Item Description Gamma dose rate: 0-2mSv/h (0-200mrem/h); Contamination measuring range: 0-10kcps
    Length (English) 5.2 in.
    Units cps, cpm. Bq, dpm, dps, Sv/h, rem/h
    Height (Metric) 13cm
    Depth (English) 2.4 in.
    Depth (Metric) 6mm
    Width (Metric) 7cm
    Energy Range With gamma energy filter: 17keV to 1.3MeV
    Dose Rate Limit 2mSv/h (200mrem/h)
    Length (Metric) 13 cm
    Efficiency 2p Efficiency (ref. to 50mm diameter without rubber sleeve): Am-241; Co-60: 25%; Sr/Y-90: 36%; C-14: 19%
    Height (English) 5.2 in.
    Dimensions (L x W x H) 5.2 x 2.8 x 5.2 in. (13 x 7 x 13cm)

    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. The RadEye B20 and B20-ER Multi-Purpose Survey Meters provide a handheld, 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.


    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.

  • Description & Specifications

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