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Small Size Ultrasonic Water Meter For Home

The data will not be lost when the power is turned off, the data can be saved for more than ten years, and the historical data of 23 months is automatically saved.The LCD screen displays flow, accumulated flow, temperature, date, elapsed time, instrument address, historical data, etc.
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  • DN15-DN40
  • SHMETERS

Small Size Ultrasonic Water Meter For Home

water flow meter

Features

1.Not affected by impurity, chemicals and magnetic materials in medium;

2.No moving parts in measuring mechanism, free of wear and tear, and accuracy does not degrade over the life of the meter;

3.Horizontally or vertically mounted;  

4.Low pressure drop; 

5.IP68 protection level, can adapt to various harsh installation environments.

Technical Parameters

Nominal diameter(mm)

15

20

25

32

40

Max flow Q4(m³/h)

3.125

5

7.87

12.5

20

Nominal flow Q3(m³/h)

2.5

4

6.3

10

16

Transitional flow Q2(m³/h)

0.02

0.032

0.05

0.08

0.128

Min flowQ1(m³/h)

0.0125

0.02

0.032

0.05

0.08

Start-up flow(m³/h)

0.005

0.005

0.008

0.01

0.015

Max flow

999999.99

Measuring range

Q3/Q1, R200/(R250 customizable)

Accuracy class

Class B

Pressure loss class

≤0.063 MPa

Working pressure

1.6 MPa

Temperature class

T50

Temperature range

(5~55)℃

Environment class

Indoor,Class B

Electromagnetic class

E1(Residential, Commercial, Industrial)

Power supply

Built-in lithium battery DC 3.6V

Battery life

> 10years

Installation position

Any angle

Display

LCD, 8 digits + additional characters

Flow profile sensitivity class

U10/D5

Communication interface

RS485 modbus/ LoRa

Protection class

IP67/IP68

Outline Dimension

 

1


2

Interface/Communication

The small size ultrasonic water meter for home will have one of the many options output pre-selected when placing the order. This section will describe each output:

• Modbus/RS485 output

• Wireless output(LoRa/NB-IOT)

LoRa/NB-IOT wireless transmission

Parameter

LoRa

NB-IoT

Power

(2.1~3.6)V

(2.9~3.6)V

Working frequency

(488~510/865~868)MHz

Full band

Transmit power

50mW

200mW

Average current

18uA

15uA

Transmission distance

1km

(1~20)km


Wireless type

Instructions for use

LoRa

It uses a free public wireless frequency band, and the lora concentrator is required. (The repeater is optional depending on the on-site environment)

NB-IoT

It uses authorized wireless frequency bands and uses operator networks. Need to lay the NB-IOT base station on site

Contact information

water flow meter

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