gas alarm for research facility

two-wire gas detector direct from Wanlin Fire Protection — 12-year factory experience, WL-GA206 4G gas detector certified CE/EN50194/UL2075/FCC. Key specs: Catalytic + Infrared Dual Sensor + 4G Cat.1 + Multi-Criteria Algorithm + Cross-Reference Validation, 4G LTE Cat.1 + Cloud Platform + Multi-Criteria Detection + SMS/Push/Email + Remote Diagnostics + Valve ···

loop powered gas detector direct from Wanlin Fire Protection — 12-year factory experience, WL-GA203 4G gas detector certified CE/EN50194/UL2075/FCC. Key specs: Electrochemical CO Sensor + Catalytic Gas Sensor + 4G Cat.1 Communication, 4G LTE Cat.1 + Cloud Platform + Dual Alarm (Gas + CO) + SMS/Push/Email + Valve Control. Catalytic/infrared sensor, solenoid v···