Radex RD1706 Pocket Radiation Detector

Product Name:RADEX RD1706 Professional Radiation Detector / Geiger Counter
Radex RD1706 Pocket Radiation Detector
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Quarta Radex Model 1706 Geiger Counter



Another Russian contender in the Geiger counter sweepstakes, the Model 1706 has been around for a while and found a comfortable place at the lower end due to simplicity and price (under $300). Of course, simplicity can sometimes be all that’s needed and the 1706 is nothing if not simple.


Featuring an unobtrusive and compact footprint, the RD1706 Radiation Detector offers three operator functions, plus personal controls such as threshold alarm activation and battery charge indicator. . It’s powered by two AAA batteries that return an ample 500+ hours of continuous runtime.


It is designed two Geiger-Muller radiation sensors to reduce observation and improve precision. The Radex 1706 is designed to detect Gamma, Beta and X-Ray radiation and features an enhanced detection range of up to 999.0 µSv/h with accurate real time readings in as little as 1 second.


Fitted with a 42mm LCD backlit display, the Radex 1706 Geiger counter updates readings every 10 seconds and measures dosage in both µSv/h and µRem/h. Radiations levels in excess of 3.5 µSv/h are determined almost instantly. The “Background” mode enables users determine the difference between indoor and outdoor background radiation values and display an excess above a pre-configured background level, its value is saved automatically when the device is turned off.

Gamma-Scout vs Radex Camparison

Current Specification Summary

Detection Profile —

Radiation Types: alpha, beta, gamma and x-radiation

Measurement ranges:
Ambient dose rate indications 0.05 to 999.0 µSv/h
Gamma radiation energy from 0. 1 to 1.25 MeV
X-ray radiation energy from 0, 03 to 3.0 MeV
Beta radiation energy MeV from 0, 25 to 3.5

User Interface —


Languages: English German French Russian Japanese
Display: LCD screen, Backlighted
Alert: Audio or Vibration
Temperature Range: 0 to 149 deg F
Dimensions: 3.8 x 1 x 2.7 inches
Weight (without power elements) < 0.09 kg
Warranty: 1 year
Power: AAA Batteries, min 500 hrs
FEATURES – A flashlight, a USB – to PC connection, Map & Chart Software (download), vibrating alarm, Language options.
Size of a smartphone

Suggestions for Improvement


While the RD 1706 is pretty straightforward, at times the manual is a bit hard to decipher. Also, the RD 1706 offers no option to record data via USB or offer any other data logging option.



Two Geiger-Mueller sensors
Fast response time
500 hours continuous duty


No data logging or USB port
Boring form factor and display design
Serviceability in question



The Quarta RD 1706 is a compact and easy to use Geiger counter that simply does what it’s designed to do and nothing more. If you don’t need data logging and just want a low cost pocket Geiger counter this is a good choice. Readings are reasonably accurate with this pocket counter that is probably the best you can get at this price point.



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