水流量傳感器霍爾流量計G3/8流量計耐高溫霍爾水流量傳感水流開關
霍爾信號循環水泵水流量傳感器熱水泵激光機流量計水凝機流量計
Copper 4-point Hall flow sensor instantaneous water heater pulse signal with NTC temperature sensor
$ 14.50
Sold 10
