RKI 04 Series Single Gas Detector Sensor Options:Nitrogen Dioxide (0-20 ppm) Shelves: Three adjustable

Shelves: Three adjustable

Much more gentle to the skin

They are sold 12 each per pack

No cables or hoses means more reliability and less maintenance

RKI 04 Series Single Gas Detector Sensor Options:Nitrogen Dioxide (0-20 ppm) Shelves: Three adjustableThe RKI 04 Series single gas detectors replace the 03 Series. The new 04 Series come with a much smaller price tag yet more durability. Even better, they come with a 3 year warranty*. The 04 Series runs for up to 9,000 hours on just two "AAA" batteries. Each unit has an audible, visual, and vibration alarm. The sensors are field replaceable. Features: Field serviceable Pocket size 2. 1(W) x 2. 6(H) x 0. 9(D), 2. 8 ounces Impact, dust, and water