The Riken Keiki 03 series are personal single gas monitors designed for protection from exposure to combustible hydrocarbons, oxygen deficiency, hydrogen sulfide, or carbon monoxide. Customers can specify models for LEL, O2, H2S, or CO detection. Users of the O3 series find the units are robust, reliable, long-lasting, and cost effective. In addition they have a digital display, can be calibrated, and are dust and water-resistant (IP-67). The O3 series has a replaceable rubber protective cover in addition users can data log from 5 to 300 hours with adjustable intervals.
The units are Intrinsically safe and have ATEX approval making them ideal for use in hazardous areas. The O3 series is pocket size 2.1"(W) x 2.6"(H) x 0.9" and light weight 80 g.
Each model (except the GP-03) operates continuously for at least 3,000 hours on 2 AAA size alkaline batteries. The GP-03 operates for 35 hours.
The 03 series personal single gas monitors have 2 preset alarms. The user can adjust the alarms to their own levels if desired. Each version is equipped with visual, audible, and vibration alarms as standard. The replacement sensors are inexpensive. Users can replace the sensors in the field. Customers can expect Sensors to have a life expectancy of 2-3 years in addition they are interchangeable with other Riken Keiki monitors.
2 AAA batteries
gas detected: Carbon monoxide
detection principle: electrochemical
detection range: 0-500 ppm
ingress proof class: IP 67
1st: 25 ppm
2nd: 50 ppm
STEL: 200 ppm
TWA: 25 ppm
OVER: 500 ppm
dimensions: 54 x 67 x 24 mm (without protective cover)
weight: 80 g
Expolsion proof class II1 G Ex ia IIC T4/T3 Ga, I M1 Ex ia I Ma