fixed temperature

temperature sensor for office direct from Wanlin Fire Protection — 12-year factory experience, WL-HD900 fully certified UL 521/EN 54-5/CE/FCC/RoHS/REACH. Key specs: 4G LTE Cat.1 + WiFi, Fixed Temperature + Rate-of-Rise Dual Sensor (57°C / 135°F), AC powered + 72h backup battery. MOQ 100 units, 25-30 working days, OEM/ODM custom branding available. Serving 60···

Looking for a reliable fixed temperature heat tester manufacturer in China? Wanlin offers factory-direct OEM/ODM professional fire alarm test equipment, smoke test spray systems, multi-sensor detector testers, and replacement test capsules with Middle East certification compliance. Custom branding, calibration certificates, competitive wholesale pricing, and···