RKI AirLink 6940NXP Quad Transmitter, Non Explosion Proof Model 408M the range of measurement is

the range of measurement is 15 to 300 ppm

25" (22 mm x 159 mm)

1 Front D-ring for rescue

this indicates a nonconductive liquid

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RKI AirLink 6940NXP Quad Transmitter, Non Explosion Proof Model 408M the range of measurement isRKI AirLink 6940NXP Quad Transmitter, Non Explosion Proof The RKI AirLink 6940NXP series AC powered ambient air multi gas detector simultaneously uses up to four sensor elements to detect an array of gases. The Assembly reports once a minute, however the reporting rate will increase to once every five seconds if the target gases exceed a preset background level. Operates from an AC power supply with an internal backup battery pack. Magnetic switches