New Arriving Battery Changeable Portable Hydrogen Sulfide H2S Gas Detector, 0-200ppm
This detector is factory-set to alert a low-alarm condition when the level of H2S reaches 10 parts per million (ppm), and a high-alarm condition when reaches 20 parts per million (ppm). In low-alarm conditions, the audible alarm beeps , the visual alarm flashes, and the unit vibrates once per second. In high-alarm conditions, the audible alarm beeps, the visual alarm flashes faster, and the unit vibrates twice per second. To ensure performance, the detector tests its built-in lithium battery automatically when boot. The self-test verifies the integrity of the battery, sensor, and circuitry. This detector comes with a back-mounted alligator clip to allow the unit to be worn on a belt, waistband, or lapel, and a concussion-resistant boot to help protect it against damage.
