The ARA H2S single-gas detector is designed to protect users from exposure to toxic levels of hydrogen sulfide. E-chem detection technology inside the detector can operate without interference. The device displays either a lifetime countdown or concentration lifetime exposure – and users can switch between the two options. Once activated, the ARA H2S will continuously operate for two years. The unit features a three-signal system of a flashing light, audible alarm and vibration to alert the wearer of exposure levels reaching dangerous concentrations.
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