MODEL: HA-GB-250B [Name: Built-in Pump Multi-Gas Detector] MODEL: HA-GB-250B Name: Built-in Pump Multi-Gas Detector DETECTION GAS: combustible/ toxic and harmful gas DETECTION PRINCIPLE: PID; catalysis; Electrochemistry; Semiconductor; Infrared DETECTION METHOD: built-in pump suction type DISPLAY: LCD liquid crystal display ALARM METHOD: sound, light, vibration alarm CHARGING: Magnetic suction charging method LANGUAGE: Automatic switching between English and others USAGE TIME: More than 10 hours (combustible gas) COMMUNICATION METHODS: wireless communication methods such as infrared, Bluetooth, Lora, etc Built-in Pump Multi-Gas Detector Protection level: IP68 Safety Integrity Level: FUNCTIONS FEATURES Charging level display, low potential warning indication Can be interconnected with confined space probes and portable products Switchable pump suction and natural diffusion Support for Beidou GPRS positioning Under voltage alarm and fault alarm; Fall alarm, call for help alarm, one key call for help Multiple alarm mode settings: low alarm, high alarm, interval alarm, TWA, STEL, OL alarm Display real-time concentration, alarm status, communication status, electricity level and other information Multi level calibration, automatic zero tracking HA-GB-250B Built-in Pumping 4 in 1 gas detector has a color LCD screen display, and can simultaneously detect four gases including combustible, 02, CO and H2S,etc. The detection results are displayed on the screen at the same time. For the standard USB interface can be used for charging and data transmission as well as querying alarm results. The equipment is manufactured using high-performance detection components and computer micro-control technology, combined with advanced fully automatic mounting technology. PRODUCTDETAILSDISPLAY • High-performance sensor • Two-level alarm