RKI 04 Series Single Gas Detector Sensor Options:Nitrogen Dioxide (0-20 ppm) Trolley Guards protect the wheels

Trolley Guards protect the wheels from damage and keeps beam clear of debris

Stand Alone Use (no PC required)

They are sold 12 each per pack

Much more gentle to the skin

Non-Compliance Indicator

RKI 04 Series Single Gas Detector Sensor Options:Nitrogen Dioxide (0-20 ppm) Trolley Guards protect the wheelsThe 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