This standard specifies automatic measuring instruments (hereinafter referred to as "measuring instruments") using infrared absorption methods to continuously measure the concentration of carbon monoxide in the atmosphere.
JIS B 7951:2004 history
2004JIS B 7951:2004 Continuous analyzer for carbon monoxide in ambient air
1998JIS B 7951:1998 Continuous analyzer for carbon monoxide in ambient air
1986JIS B 7951:1986 Continuous analyzer for carbon monoxide in ambient air