20291-139 #72P Ethyl Mercaptan Detector Tubes (2.5-30 ppm)
$93.73 / pk
* Measuring Range: 2.5-30 ppm
* Detecting Limit: 0.5 ppm (minimum detectable concentration)
* Sampling time: 1 minute at the pressure of 11 inch H2O
* Color Change: Yellow - Red
* Shelf Life: 2 years
The #72P Ethyl Mercaptan detector tube was designed to provide a rapid, fully quantitative analysis of the concentration of Ethyl Mercaptan in the presence of LPG vapor by the pressure available at the appliance burner in residential. This tube does not require the use of a Gastec Multi-Stroke Gas Sampling Pump.