TOPTES Guard-633 H2S Detector, H2S Monitor Clip On with Precise Gas Sensor, 0.5S Fast Response, 7-Day Battery Life, Low Battery Alert, Adjustable Alarm Range, 3 Alarm Modes, Explosion-Proof Safety-Blue

High-Precision Sensor, Fast Response: Guard-633 H2S monitor features a high-precision sensor that detects hydrogen sulfide levels within 0.5 seconds, providing efficient and stable monitoring. Calibration certificates and certification documents are included Triple Alarm Modes and Data Logging: Guard-633 equipped with LED light, vibration, and audible alarm modes, this sewer gas detector adapts to various environments. Users can set custom alarm thresholds, with support for data logging to manage safety records and track historical alerts 7-Day Battery Life: With a 5-hour charge, the Guard-633 hydrogen sulfide detector operates continuously for up to 7 days, making it suitable for long-duration tasks. The real-time battery level display and low battery alerts help prevent disruptions in monitoring Explosion-Proof Design and Portable Design: Guard-633 H2S monitor clip on features a waterproof, dustproof, and explosion-proof ABS shell. Its convenient clip-on design enhances portability,