RKI 03 Series Single Gas Detector Sensor Options:Hydrogen Sulfide (0-100 ppm) or crimping

or crimping

The GX-Force is the work horse for contractors and municipalities around the country

This means that they are tested to withstand a 1 foot drop of a 30lb object

and convenient smoke generator

It is coated with two coats of clear varnish

RKI 03 Series Single Gas Detector Sensor Options:Hydrogen Sulfide (0-100 ppm) or crimpingThis item has been discontinued by RKI. The replacement, the 04 Series. Please also consider the GFG Micro IV single gas detectors. The RKI 03 series is the go to single gas detector for repeated use applications. You can replace the battery (which provides nearly 3 years of run time) and the sensors. And the best part is that the sensors are inexpensive and easily field replaceable. Not to mention they are interchangeable with RKI's GX 2009 and GX