JC-3000S Wall Installed Ultrasonic Flow Meter

JC-3000S ultrasonic flow meter is designed to measure the fluid velocity 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.

Product Description

JC-3000S ultrasonic flow meter is designed to measure the fluid velocity 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 .

 JC-3000S transit-time flow meter 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 be mounted 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 alternately 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. The difference in the transit time measured is directly and exactly related to the velocity of the liquid in the pipe, show as follows: 

 

 

Where

θ is the include angle to the flow direction

M is the travel times of the ultrasonic beam

D is the pipe diameter

Tup is the time for the beam from upstream transducer to the downstream one

Tdown is the time for the beam from downstream transducer to the upstream one

ΔT=Tup –Tdown


Technical Parameter

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 0∼1kW. 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 section

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˚C - 90˚C High-temperature-30˚C - 160˚C

Turbidity

Less than 10000ppm, with a little bubble


Flow Direction

Bi-directional measuring, net flow/heat measuring

Environment

Temperature

Main Unit: -30˚C - 80˚C

Transducer: -40℃ -110℃, 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


Model selection

Optional Transducers

Model

Description

Measuring range

Temperature

Accuracy

Small size transducer 

TS-1

Magnetic

DN15-100mm

-4090

±1%

Medium size transducer

 

TM-1

Magnetic

DN50-1000mm

-4090

±1%

Large size transducer 

 

TL-1

Magnetic

DN300-6000mm

-4090

±1%

High-temperature small size transducer 

 

THS-1


DN15-100mm

-40160

±1%

High-temperature medium size transducer

THM-1


DN50-1000mm

-40160

±1%


Application

The wall-mounting flow meter can be applied to a wide range of pipe flow measurements.

Applicable liquids 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 liquids





Video

JC-3000S Wall Installed Ultrasonic Flow Meter

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