SenTec

FMU854 Dual Channel Two-wire Ultrasonic Flowmeter

FMU854 dual channel two-wire pipe section ultrasonic flowmeter adopts two-wire system (loop power supply) design, which makes it easier to integrate with the system and provide excellent cost performance. The dual channel sensor can achieve + 0.5% measurement accuracy.

FMU854 dual channel two-wire pipe section ultrasonic flowmeter adopts two-wire system (loop power supply) design, which makes it easier to integrate with the system and provide excellent cost performance. The dual channel sensor can achieve + 0.5% measurement accuracy.

FMU854 dual channel two wire system (loop power supply) pipe section ultrasonic flowmeter is the best choice for measuring various conductive or non-conductive liquids. Widely used in process control, production measurement and trade settlement, it has been deeply applied to water supply and drainage, metallurgy, chemical industry, energy field and heating industry.

Parameters

CategoryPerformanceParameters
HostsPrinciplePrinciple of ultrasonic time difference, 4-byte IEEE754 floating-point operation
AccuracySegment Type: Flowmeter: ±0.5%; Calorimeter: ±1.0%
Clamp Type: Flowmeter: ±1.0%; Calorimeter: ±2.0%
Plug-in type: Flowmeter: ±1.0%; Calorimeter: ±2.0%
OperatingFour-button operation with magnetic bar touch or finger touch; simulation keyboard software
Signal output1 channel 4-20mA current output, impedance: 0-1k, accuracy: 0.1%
1 way OCT pulse output
1 relay output
Signal input3 4-20mA current input, accuracy: 0.1%; can collect pressure, temperature, level and other signals, can be connected to the 3-wire system
The PT100 temperature sensor measures heat.
Data interfaceIsolated RS485 serial interface, flow meter can be upgraded via PC PC Support MODBUS communication protocol.
Special cableCustom twisted-pair cable, generally limited to 50 meters, use RS 485 communication protocol, transmission distance up to more than kilometers
PipelineTube materialSteel, stainless steel, cast iron, cement pipe, copper, PVC, aluminum, fiberglass, and other dense pipes, allowing lining
Bore sizeDN15mm-DN6000mm
Straight sectionThe sensor installation point is best to meet: upstream 10D, downstream 5D; 30D from the pump outlet (D is the pipe segment).
Measuring mediumMedia typeWater, seawater, industrial wastewater, acid, alkali, alcohol, beer, various oils,
Temperature -30°C-160°C
Turbidity≤10000ppm, and small bubble content
Velocity0-10m/s
Working environmentTemperatureHost: -20°C -60 °C; flow sensor: -30 °C -160 °C.
HumidityConverters and sensors can work under water with underwater depth ≤ 2m (completely sealed).
Power supplyDC8-36V;AC85-264V(optional)
Power consumption1.5W
ProtectionIP68

Documents

Take the next step

Get a Quote

Request a quote from us based on your specific requirements

To be a Distributor

If you want to distribute sentec brand in your local area, you can contact us for more.

Installation & Maintain

A group of  professional engineer is here to help your sensor installation & maintenance.