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  • Ultrasonic Flowmeter
Name:Ultrasonic Flowmeter
Principle:Transit time ultrasonic
Medium:Liquid
Display:LCD english display
Output:Pulse ,OCT ,4--20mA output
Communication:RS485 ,RS232 ,HART
Accuracy:+_1
Connection:Clamp-on
Diameter:DN10--DN3000 mm
Power:220VAC,24VDC,battery
Protocols:MODBUS, M-BUS, Fuji
Signal cable:Equipped
Warranty:12months
Brand:SINCERE

Product Description

Ultrasonic Flowmeter is designed to measure the fluid  of liquid within a closed conduit. The transducers are a non-contacting, clamp-on type, which will provide benefits of non-fouling operation and easy installation. transittime flowmeter utilizes two transducers that function as both ultrasonic transmitters and receivers.  

The transducers are clamped on the outside of a closed pipe at a specific distance from each other. The transducers 

can bemounted in V-method where the sound transverses the pipe twice, or W-method where the sound transverses the pipe four times, or in Z-method where the transducers are mounted on opposite sides of the pipe and the sound crosses the pipe once. This selection of the mounting method depends on pipe and liquid characteristics. The flow meter operates by 

transmitting and receiving a frequency modulated burst of sound energy between the two transducers and measuring the 

transit time that it takes for sound to travel between the two transducers. 

Linearity: 0.5%, Repeatability: 0.2%, Accuracy: ± 1 %  Easy to operate. Several type transducers for selection, measuring 

size is from DN15mm to DN6000mm Adopt low voltage, multipulse technology to improve accuracy, useful life and reliability. 

Powerful Recording Function, record the totalizer data of the last 64 days/64 monthes/5 years. The wall-mounting flow meter can be applied to a wide range of pipe flow measurements. Applicableliquids include pure liquids as well 

as liquid with small quantity of tiny particles. 


Examples are: 
Water (hot water, chilled water, city water, sea water, waste water, etc. ); 
Sewage with small particle content; 
Oil (crude oil, lubricating oil, diesel oil, fuel oil, etc. ); 
Chemicals (alcohol, acids, etc. ); 
Plant effluent; 
Beverage, liquid food; 
Ultra-pure liquids; 

Solvents and other liquid

Items

Specifications

Main 

unit

Accuracy

Better than ±1%

Repeatability

Better than 0.2%

Principle

Transit-time measuring principle

Measurement
Period

500ms

Display

LCD with backlight,display accumulated flow/heat, instantaneous flow/heat, velocity, time etc.

Output

Analogue output: 4-20mA or 0-20mA current output. Impedance 01kW. Accuracy 0.1%.

OCT output: Frequency signal (1~9999HZ)

Relay output: over 20 source signal (no signal, reverse flow etc.)

RS485 serial port

 

Input

Three analogue input

Three-wire PT100 resistor input (optional)

Other functions

Automatically record the totaliser data of the last 64 days / 64 months / 5 years;
The power-on time and corresponding flow rate of the last 64 power on and off events. Allow manual or automatic flow loss compensation
The instrument working status of the last 64 days

pipe

material

Steel, stainless steel, cast iron, cement pipe, copper, PVC, aluminum, FRP etc. Liner is allowed

Size

15-6000mm

Straight pipe 

In the upstream it must be beyond 10D, in the downstream it must be beyond 5D, in the upstream the length must be beyond 30D from the access of the pump. (D stands for pipe diameter)

Liquid

Types

Water, sea water, industrial sewage,acid & alkali liquid, alcohol, beer, all kinds of oils which can transmit ultrasonic single uniform liquid

Temperature

Standard: -30 - 90centigrade ,High-temperature:-30 - 160centigrade

Turbidity

Less than 10000ppm, with a little bubble

 

Flow Direction

Bi-directional measuring, net flow/heat measuring

Environment

Temperature

Main Unit: -30 - 80centigrade

Transducer: -40-110centigrade , Temperature transducer: select on enquiry

Humidity

Main Unit: 85% RH

Transducer: water-immersible, water depth less than 3m

Cable

Twisted Pair Line, standard length of 20m, can be extended to 500m (not recommended); Contact the manufacturer for longer cable requirement.
RS-485 interface, transmission distance up to 1000m

Power Supply

AC220V or DC24V

Power Consumption

Less than 1.5W

Protocols

MODBUS, M-BUS, Fuji extended protocol and other factory protocol

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