Hand-held Survey Meters

DSM-502 Digital Radiation Survey Meter

DSM-502 Digital Radiation Survey Meter w/ Internal Detector

The DSM-502 Survey meter is designed as the perfect application for general users of radiation measurement and monitoring. It's mid-range internal detector allows for the perfect combination of accuracy, simplicity and functionality for the reliable and consistent measurement of dose.

DSM-504 Digital Radiation Meter

DSM-504 Digital Radiation Meter w/ Internal Detector

 


An internal GM detector and digital auto-ranging display make the DSM-504 an impressive combination of simplicity and accuracy. Designed for users of radiation devices in industrial process applications needing the accuracy in lower range dose monitoring but the higher range capability of evaluating the extent of emergency situations.

 

DSM-501 Digital Micro-R Survey Meter

DSM-501 Digital Micro-R Survey Meter

The internal 1" x 1" plastic scintillator has a close to tissue-equivalent response and has an oversized digital backlit display, dose or cpm operation modes and comes standard with timed-count capability, probe-saturation and error indicators.

DSM-500 Digital Radiation Survey Meter

DSM-500 Digital Radiation Survey Meter

This microprocessor-controlled instrument represents the new gold standard of survey instruments. The DSM-500 boasts an oversized digital display and a unique capability for dual probe capability. Comes standard with timed-count capability, probe-saturation and error indicators.

GSM-500 Auto-Ranging Survey Meter

GSM-500 Auto-Ranging Survey Meter

This microprocessor-controlled instrument represents the gold standard of survey instruments. The GSM-500 is a digital ciruitry instrument with an analog display that automatically chooses the correct range with no user intervention required. Comes standard with probe saturation and other error indicators.

GSM-525 Analog Survey Meter

GSM-525 Analog Survey Meter

The GSM-525 offers extreme flexibility with a dual probe capability. Offering both dose and cpm calibration per probe, this instrument is capable of offering up to four separate probe measurements. With its functionality with all WB Johnson detectors, the GSM-525 is the most extensive radiation single measurement instrument on the market.

GSM-506 Analog Survey Meter

GSM-506 Analog Survey Meter Internal/External Detectors

The GSM-506 is the ultimate survey meter for those looking for the simplicity of a contained detector system, with the luxury of an external probe capability for those special measurement applications. The external probe can fit any application as the GSM-506 is completely interchangeable with any Johnson Instrument Probe.

GSM-501 Analog Micro-R Survey Meter

GSM-501 Analog Micro-R Survey Meter

The GSM-501 outperforms its competitors with an impressive 1x1 tissue equivalent scintillator, providing a much better dose response than other Micro-R meters. This accuracy combined with a full Auto-Ranging display makes this the most accurate and easy to use Micro-R meter on the market.

URSA-II

ERK-525 Emergency Response Kit Survey Meter

The ERK-525 is a complete, portable radiation monitoring system designed to measure a broad range of radioisotope contamination under field conditions. The system contains a state of the art, microprocessor based digital display meter that auto ranges and can detect most of the common alpha, beta & gamma radiation that is likely to be present in an emergency situation. The DSM-525 is a dual probe survey meter that measures contamination and dose levels from micro-R to 200 mR/hr levels of gamma isotopes (Based on 137-Cs calibration).

URSA-II

ERK-506 Digital Emergency Kit

The DSM-506 kit utilizes the new WB Johnson Survey/Scaler meter (DSM-506) to measure most alpha, beta, and gamma radiation & contamination fields from background to 2000mR/hr. An internal energy compensated GM detector, pancake & high sensitivity tissue equivalent scintillator are connected to the meter and can have dual (dose or cpm calibrations) that are switch selectable from the front panel.

DSM-525 Digital Radiation Survey Meter w/ Dual Detector

DSM-525 Digital Radiation Survey Meter w/ Dual Detector

The DSM-525 is the most functional survey instrument on the market with its dual probe capability. This dual connection capability allows users the luxury of multiple level measurements with as many as four different probes calibrated to each measurement type. No more retracking to the instrument case to switch probes.

DSM-506 Digital Radiation Survey Meter

DSM-506 Digital Radiation Survey Meter w/ Internal/External Detectors

The operation of the DSM-506 provides users the ease of an internal detector with the additional probe capability for those specific measurement needs. This feature, with its easy to read display, digital electronics and rugged design make the 506 a perfect instrument for all applications.

DSM-503 Digital Radiation Meter

DSM-503 Digital Radiation Meter w/ Internal Detector

The DSM-503 Survey meter is the perfect mix of rugged and dependable for use in a variety of environments. With it's internal detector, this instrument is designed to fit the perfect application for general users of radiation measurement and monitoring. The internal energy compensated gm detector makes this instrument a perfect fit for general users of radiological instruments.