Dose rate warning devices

Dose rate warning devices are used to detect and visually and acoustically signal the instantaneous local dose rate of gamma and X-ray radiation and its intensity change. Learn more about our product solutions for a wide range of uses and applications of dose rate warning devices here.

Dose rate warning devices

Overview of the dose meters in our product portfolio

Gamma radiation warning light GRAETZ GammaFlash

Dose rate warning device for determining and setting up cut-off areas when detecting a given local dose rate of gamma and X-ray radiation.

Dose rate warning device GRAETZ GammaTest C

Compact and robust dose rate warning device with four preset warning thresholds and visual and audible alarm.

Dose rate warning device GRAETZ GammaSmart two

Robust and compact dose rate warning device for personal radiation protection when handling ionizing radiation.

Dose rate alarm lamp GRAETZ GWL10m

With individually adjustable warning thresholds, optionally with motion detector for room monitoring.

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Dose rate warning devices

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Radionuclide Identifier (RID)

For detection of gamma, beta, neutron & cosmic radiation & more

Dose meters

Portable electronic devices with dose and / or dose rate warning functions

Dose rate meters

Portable electronic devices with dose rate detection, warning functions & more

Dose rate warning devices

Portable electronic devices with dose rate detection, warning functions & more

Contamination detection devices

Mobile devices for measuring radiation on surfaces


For range extension of measuring instruments


For measuring high dose rates from safe distance

Room monitoring monitors

Systems for dose rate measurement of gamma and X-ray radiation


Individual, for a wide range of industries

Fire brigades & Civil defence

Radiation protection measuring instruments for fire brigades and other civil protection organisations

Non-destructive testing (NDT)

Measuring instruments for X-rays and gamma radiation for testing materials

Nuclear Medicine

Radiation measuring instruments for MRT and CT X-ray systems in medicine


Measuring instruments for personal & local dose as well as contamination in various industries

Research & Education

Radiation meters for educational institutions, research institutes and laboratories


Maintenance, Repair, Calibration, Verification


We train you in the use of our measuring and warning devices


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GRAETZ - at a glance

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Measuring and warning devices for radiation protection

Our history

From petroleum lamps to radiation measurement technology

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