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. Cali...
Precise Sensor with 0.5-Second Quick Response: The Guard-756 upgraded O2 monitor features a DDS sensor that triggers an alarm within 0.5 seconds when oxygen levels reach the preset threshold, conti...
Precise Sensor with 0.5-Second Quick Response: The Guard-756 upgraded O2 monitor features a DDS sensor that triggers an alarm within 0.5 seconds when oxygen levels reach the preset threshold, conti...
Multi-Alert & Automatic Record Storage: Portable CO detector includes visual, audible, and vibration alarm, ensuring timely detection of potential dangers. It automatically stores up to 999 ala...
