331211 – COMBUSTIBLE GAS DETECTOR, NP-237H PORTABLE

IMPA 331211 – COMBUSTIBLE GAS DETECTOR, NP-237H PORTABLE – Designed specially to detect combustible gas leaks in inerted shipboard oil holds. The portable tankscope Indicator has an easy-to-read analog display and is very simple to use. Its full scale read out is 0 % to 25 % of hydrocarbon vapors by volume in a back ground of air, nitrogen, or combustion products. Indicator, complete housed in a high-impact waterproof case with stainless steel hardware. Size 102 x 165 x 185 mm, weight 2.3 kgs. Approved by U.L. & NRTL.