Testo India Pvt. Ltd. Supplies Gas Detector with Rechargeable Battery. Testo India Pvt. Ltd. Is involved in the design, development and manufacture of portable instrumentation. Gas Detector with Rechargeable Battery is a multi-range gas detector for the gas type`s methane, propane and hydrogen. Gas concentrations are measured by the semi-conductor sensor in the ppm range and are shown in the display with a resolution of 1 ppm.
