4-20ma

Wireless Fire Alarm for Electrical Room — Wanlin, a Chinese fire protection manufacturer and exporter based in Shenzhen, China, supplies the WANLIN full product line across photoelectric smoke detectors, A1R / A2S heat detectors, resettable and weatherproof manual call points, EN 54-3 and EN 54-23 sounder strobes, the WANLIN-860 and WANLIN-868D wireless fir···

infrared gas detector EN 50194 Combustible Gas Detector export OEM ODM wholesale

liquid level meter supplier Ultrasonic and Radar Level Gauge with Hydrostatic Level Sensor export OEM ODM wholesale

4-20ma output — Wanlin Fire, Chinese smart smoke detector manufacturer and exporter by Wanlin Fire Technology. WL-SD-500 photoelectric smart smoke detector with 4G LTE and NB-IoT dual-mode connectivity, 10-year sealed lithium battery, 85dB sounder, app/SMS/push alerts, remote cloud monitoring. EN 14604, EN 54-7, UL 217, CE, RoHS certified. MOQ from 100 unit···

Source Multisensor Smoke Heat CO Alarm directly from Wanlin Fire, a leading Chinese manufacturer of Industrial Smoke Heat Sensor. Product highlights: Explosion-proof ATEX, 4-20mA output, -40°C~+85°C,