Since the couplant is liquid, It's suggest you use Molybdenum Disulfide instead.
Convertor
Principle:Transit-time ultrasonic flowmeter
Accuracy:±1%
Display:2x20 character LCD with backlight, support the language of Chinese, English, Italy, Turkish
Signal output:
1way 4-20mA output, electric resistance 0-1K, accuracy0.1%
1 way OCT pulse output(Pulse width-1000ms, default is 200ms))
1 way Relay output
Signal input:
3 way 4-20mA input, accuracy 0.1%, acquisition signal such as temperature, press and liquid level
Connect the temperature transducer P100, can finish the heat/energy measurement.
Data Interface:Insulate Rs485 serial interface, upgrade the flowmeter software by computer, support the MODBUS.
Special Cable
Twisted-pair cable, generally, the length under 50 meters, select the Rs485, transmission distance can over 1000m
Pipe Installation Condition
Pipe material:Steel, stainless steel, cast iron, copper, cement pipe, PVC, Aluminum, glass steel product, liner is allowed
Pipe diameter:50-700mm
Straight pipe:Transducer installation should be satisfied: upstream10D, downstream5D, 30D from the pump.
Measuring Medium
Type of liquid:
Single liquid can transmit sound wave; such as water (hot water ,chilled water, city water, sea water, waste water, etc); sewage with small particle con tent, oil(curde oil, lubricating oil, diesel oil, fuel oil, etc); chemicals(alcohol, etc); plant effluent; beverage; Ultra-pure liquids, etc
Temperature:-30-90℃
Turbidity:No more than 10000ppm and less bubble
Flow rate:0-±7m/s
Temperature:Convertor; -20-60℃; Flow Transducer: -30-90℃
Humidity:Convertor: 855RH; Flow Transducer: can measure under water, water depth≤2m