Passive DosiTube Hydrogen Sulfide 4D 1 box

Easily check the average gas concentration at work sites, etc. This is a detector tube that measures the average gas concentration over a long period of time. The holder can be attached to the breathing zone of a worker to measure personal exposure, or it can be fixed in place in the workplace to easily learn the concentration and concentration distribution in the environment. Small and lightweight, it does not interfere with work and can be measured anywhere. Detector tube name: 4D Hydrogen sulfide Number of measurements per box: 10 Expiration date (months): 36 Quantity: 1 box (10 pieces) Measurement gas name: Hydrogen sulfide Measurement range: 0.2 to 200 ppm Measurement time (hr): 1 to 48 Scale range (ppm/hr): 10 to 200