RKI GX-3R & GX-3R PRO

The GX-3R is the world’s smallest CSA approved 4-gas monitor!

Weighing only 3.52 ounces, it clips comfortably within a worker’s breathing zone.

Both the GX-3R and the GX-3R Pro utilize a new
generation of micro sensors:

The new LEL sensor has two active filaments to increase its resistance to silicone poisoning
The new O2 sensor has a 3 to 5 year life span
H2S and CO are now monitored by one combination micro-sensor
Available with a hydrogen compensated CO sensor (as LEL/O2/CO)Non-compliance indicator
The sensors are field replaceable; Easy to change in less than 60 seconds

The GX-3R Pro is the world’s smallest CSA 5-gas monitor!

Weighing only 4.58 ounces it fits in the palm of your hand.

In addition to the four confined space gases (CO, H2S, LEL, O2) of the GX-3R, the GX-3R Pro has a 5th channel for toxic and infrared sensors that can monitor: