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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    Applications Homeland Security; Fire Departments; Emergency Response; Hospitals; Nuclear Power Industry; Pharmaceutical Industry; Universities
    Description RadEye B20 Multi-Purpose Survey Meter
    Detectors Pancake GM-tube, window dia. 44 mm (1.7 in.), 1.8 to 2.0mg/cm2
    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.
    Height (Metric) 13cm
    Depth (English) 2.4 in.
    Depth (Metric) 6mm
    Weight (English) 0.7 lb.
    Weight (Metric) 300g
    Width (English) 2.8 in.
    Width (Metric) 7cm
    Measurement Ranges Contamination B-20: 0 - 10kcps; B20ER: 0 - 500kcps
    Energy Range With gamma energy filter: 17keV to 1.3MeV
    Battery Life More than 500 hours on two AAA batteries
    Alarm Types LED, sound, vibrator
    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
    Dose Rate Limit 2mSv/h (200mrem/h)
    Item Description Gamma dose rate: 0-2mSv/h (0-200mrem/h); Contamination measuring range: 0-10kcps
    Length (English) 5.2 in.
    Length (Metric) 13 cm
    Units cps, cpm. Bq, dpm, dps, Sv/h, rem/h
    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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