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How much do you know about ultrasonic bulk water meters?

Views: 0     Author: Site Editor     Publish Time: 2022-01-19      Origin: Site

How much do you know about ultrasonic bulk water meters?


Overview

Ultrasonic water meter is intelligent measuring instruments by the temperature sensor, flow sensors and calculators. Calculator used the sensor and through the water of time difference to collect temperature differences and sound waves to complete accurate measurement of water flow. And it can provide important application and data for many applications in the pipeline.

Mainly used for water metering and monitoring water flow, such as domestic water, central air conditioning systems, equipment, etc.

ultrasonic bulk water meters

Technical Parameter

Nominal diameter

50

65

80

100

125

150

200

250

300

Max flow Q4

(m³/h)

31.25

50

78.75

125

200

312.5

500

787.5

1250

Nominal flow Q3(m³/h)

25

40

63

100

160

250

400

630

1000

Transitional flow Q2(m³/h)

0.25

0.4

0.625

1

1.6

2.5

4

6.25

10

Min flowQ1

(m³/h)

0.156

0.25

0.39

0.625

1

1.56

2.5

3.9

6.25

Start-up flow

(m³/h)

0.1

0.16

0.252

0.4

0.64

1

1.6

2.25

4

Max flow

9999999.9

Reverse flow

9999999.9

Measuring range

Q3/Q1, R160

Accuracy class

Class B

Pressure loss

≤0.063 MPa

Working pressure

MAX 1.6 MPa

Temp class

T50

Temp range

(5~55)

Installation ENV

Indoor,Class B

Elec ENV

E1(Residential, Commercial, Industrial)

Power supply

Built-in lithium battery DC 3.6V

Battery life

10years

Installation position

Horizontal or Vertical

Display

LCD, 8 digits + additional characters

Installation pitch

U10/D5

Interface

RS485 modbus/ Pulse output

Protection class

IP67


Common faults and treatment measures

Common malfunctions

Problem

Handling method

LOWBATT

Low battery

Contact supplier

TEMPER

Temperature sensor is damaged

Contact supplier

Common malfunctions

Problem

Handling method

BACKFLOW

Reverse flow

Install the check valve

LEAK

Drip/small flow at night

Check the pipeline

DRY

Partially full tube/damaged sensor

Exhaust the air in the pipe/contact the manufacturer


Outline Dimension

Nominal Diameter

mm

Length L

Width B

Hight H

Flange Connection

Flange Diameter

Bolt Circle Diameter

Bolt Size—M

DN50

200

170

215

170

125

4—M16

DN65

200

185

220

185

145

4—M16

DN80

225

200

235

200

160

8—M16

DN100

250

220

255

220

180

8—M16

DN125

250

250

285

250

210

8—M16

DN150

300

285

335

285

240

8—M20

DN200

350

340

405

340

295

12—M20

DN250

450

405

470

405

355

12-M24

DN300

500

460

525

460

410

12-M24

 

Installation

Ultrasonic water meter switch screen display mode:

The water meter adopts light sensitive response, you can choose to cover the sensing area with your hand to switch the screen display content.

Installation positions of all parts of the flow meter should avoid being approached by sun light, flooding, freezing, chemicals and electromagnetic pollutions, and should facilitates dismounting and metering;

Installation of ultrasonic water meter:

1) Before installation should thoroughly clean the system piping,and clear the sand and other debris, avoid water meter failure;

2) Body level or vertical installation, Building water meter installation should be less than 0.8m from the ground;

3) Water flow direction should be consistent with the direction of the arrow marked on the meter body;  

4) Before and after the pipe diameter to be consistent with the body diameter;

5) When installing the water meter, should be reserved length of DN*10 in front of the water meter. Or should be reserved the length of DN*8 behind the water meter. (DN is the diameter of the water meter); . If the conditions are not met, U10 / D5 can also meet the usage standards.

Daily Maintenance 

1. Regularly patrol inspection should be conducted to check the operating status and to see if the voltage of the battery is normal or not after the flow meter is installed.

2. Specialized person should be resorted to have the battery changed when the flow meter operates more than 10 years or less than 10 years but the monitor shows unclear data or the voltage indicates “V”, in case affecting the normal performance of the meter.



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