$34.19
Oil Tank Level Monitor Oil Tank Level Gauge, TL‑136 Liquid Level Transmitter Water Level Sensor Detector 24VDC 4‑20Ma Output(0‑3m)Amazon$35.59
Oil Tank Level Monitor Oil Tank Level Gauge, TL‑136 Liquid Level Transmitter Water Level Sensor Detector 24VDC 4‑20Ma Output(0-1m)Amazon$31.46
Liquid Level Sensor, 24V DC 4-20mA Signal Output Liquid Level Detector with 5M Cable, Throw-in Type Waterproof Liquid Level Transmitter for Water Oil (0-5m)Amazon$31.98
4-20mA Liquid Level Sensor,12-32VDC Output Liquid Level Detector,Liquid Level Transmitter,for Water, Oil, etc(Measuring Range:0-)Amazon$31.33
4-20mA Liquid Level Sensor,12-32VDC Output Liquid Level Detector,Liquid Level Transmitter,for Water, Oil, etc(Measuring Range:0-1m)Amazon$31.93
4-20mA Liquid Level Sensor,12-32VDC Output Liquid Level Detector,Liquid Level Transmitter,for Water, Oil, etc(Measuring Range:0-2m)Amazon$97.88
Electric Submersible Pump 4-20ma 0-5V 0-10V RS485 Output Integral Liquid Oil Water Level Sensor Float Switch For Pump (Size : 0-10V Output)Amazon