Parshall Flume Open Channel Ultrasonic Flow Meter with 24VDC Power Supply

MLOF series is non-contact ultrasonic open channel flow meter, with low blind area, high sensitivity, high stability. It consists of ultrasonic probe and the host, mainly used for measuring water conservancy irrigation, sewage plants, enterprises and institutions of the flow rate of the sewage outfalls, urban sewage and chemical enterprise part of the flow measurement.

1. FEATURES

☆ Multiple functions, with calculating,control,transmitting and other functions.

☆ Match with various weir tank. Right-angle triangle weir,rectangular weir,groove,parshall flume,throat channel slot.

☆ Accurate measurement , automatic temperature compensation function, automatic filtering system, strong anti-jamming.

☆Accurate measurement in colder regions with electric heat tracing sensor.

☆With IR remote control, easy to operate.

☆ Large screen display, double line 14 bit LCD liquid crystal display (with backlight),

characters of the man-machine interface.

☆ With RS485 serial communication, the standard MODBUS RTU protocol, can

communicate with Ethernet device, PC, PLC and DCS.

☆ Can provide up to 6 relays, can set the upper limit and lower limit alarm and control

(instantaneous flow rate and water level), Can be set high, low and fault alarm

2. TECHNICAL PARAMETERS

Technical Index

Weir&Flume Match: Chinese Standard: Parshall Flume, Triangular Weir ,Rectangular Weir ,Non-throat Flume

                                  ISO Standard: Parshall Flume

                                  USBR Standard: Long-throat Flume (Rectangular Flume,Trapezoid Flume)

Probe: 4m(otherwise other range and anti-corrosion requirements,indicate when you order it)

Accuracy: 0.2% Full span (In air)

Display Resolution: 1mm

Mode of Indication: 14 Digit LCD in 2 rows

Output Current: DC4~20mA/RS485/Hart Serial communication RS485(modbus standard protocol)

Output Load: 0~500Ω

Output Resolution: 0.03% Full span

Relays: 2,4,5,6(5A 250VAC/30VDC)

Baud rate: 19200/9600/4800

Parameter set up: 3 induction buttons

Temperature Range: -40 ºC ~75 ºC (LCD:-20 ºC ~+70ºC)

Temperature compensation: The whole range is automatic

Pressure Range: ±0.1MP (press definitely)

Power Supply: DC24V(±5%) 0.2A           AC220V(±20%) 0.1A

Cable: Ø6-12mm

Single Wire Diameter: Ø0.5-1.78mm

Cable Fix: PG13.5/M20

Measure Cycle: 1.5second

Crust Material: ABS

Sensor Material: ABS/PVC/PTFE

Protect Grade: IP67