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WD-B series IOT household ultrasonic water meter DN15 - DN25

Brand: Welle

Origin: China

Delivery time: 30 days upon confirmation

Service: OEM/ODM


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Features

  Features  


Measurement frequency default 2 times/second, the highest support 8 times/second

  1. Power consumption is as low as 0.12mW

  2. Comply with the standard requirements of drinking water meters

  3. Low initial flow rate, more accurate measurement

  4. Water temperature detection, low temperature alarm

  5. No moving parts, no wear and tear, long-term stable operation

  6. Low pressure loss

  7. Arbitrary angle installation

  8. Ultrasonic signal quality detection

  9. Magnetic switch

  10. Threaded connection

  11. IP68 design

  12. Support M-Bus, RS485, NB-IoT, LoRa and other communication interfaces


  Technical Specification  

Meter Body Material

Brass (stainless steel optional)

Accuracy Class

2 ( 1 Optional )

Range Ratio (Q3:Q1)

250 ( 400 、500 Optional )

Max. Flow Reading ( m³/ h)

999999.99999

Max. Working Pressure

1.6 Mpa

Pressure Loss Grade

Δp 40

Temperature Grade

T50

Flow Field Sensitivity

U0/D0

Protective Grade

IP68

Power Supply

3.6V Lithium battery ( 24V DC Optional )

Battery Lifetime

10 years (16 years Optional )

Environment Grade

O

Electromagnetic Environment

E2

Installation

Arbitrary  angle

Measuring Liquid

Water (full filled the pipe)


  Dimensions  

Nominal Diameter DN (mm)

DN15

DN20

DN25

 

 

 

 

 

Dimension (mm)

L

165/110

190/130/195

225/160/260

L1

97

97

97

L2

259/204

294/234/299

345/280/380

H

91

91

91

H1

31

28

25

W

98

98

98

Meter Thread A (inch)

G¾B

G1B

G1¼B

Union Thread B (inch)

R1

Overload Flow Rate Q4 (m³/h)

3.125

5

7.875

Permanent Flow Rate Q3 (m³/h)

2.5

4

6.3

Transitional Flow Rate Q2 (m³/h)

0.016

0.025

0.04

Minimum Flow Rate Q1 (m³/h)

0.01

0.016

0.025

Note:The length of the first meter body is the default meter body length.

DN32-DN50.jpg


Phone:+86 (0)25-86618785

Whatsapp:+86 18115602654

Factory 1 Address:No. 5 Industry Building, Yining Industry Zone, Xinjiang, China

Factory 2 Address:Changde Water Meter Smart Technology Industrial Park, No. 9 Gangzhong West Road, Changde, Hunan Province

Welle Digital Technology Co., Ltd. No. 5 Industry Building, Yining Industry Zone, Xinjiang, China