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PRODUCTS > Photoelectric direct reading water meter > NB-IoT Internet of Things remote direct reading water meter

NB-IoT Internet of Things remote direct reading water meter



Product features

1.Early warning system
2.Easy to replace the battery
3.Upload frequency flexible setting
4.NB-IOT communication
5.Prepaid function
6.Ultra long life battery
7.Easy construction and maintenance
Product features
1.Early warning system
The battery undervoltage, abnormal measurement, pre-purchase and prepaid usage reach alarm thresholds, etc., can set emergency water consumption.
2.Easy to replace the battery
The battery case is designed to be replaceable and replaceable. It is not necessary to open the main cover and it is easy to replace.
3.Upload frequency flexible setting
The data upload cycle can be set to meet different user management needs.
4.NB-IOT communication
Wide coverage, high reliability, high security, low cost, low power consumption.
5.Prepaid function
Support prepaid and pre-order quantities, and arrears to close the valve.
6.Ultra long life battery
The standard ER26500+HPC1520 pulse is compatible with battery and capacitor power supply for 6 years.
7.Easy construction and maintenance
Install the water meter, no need to collect equipment and debug, maintenance only needs to test the terminal equipment on the system.

Technical Parameters

Pressure loss level

△P63

Q3/Q1

≥80

Maximum water pressure

1Mpa

Water pressure rating

MPA10

Temperature class

T30 (cold water), T90 (hot water)

battery voltage

3.6V

Local maintenance

1 way TTL3.3V

ESD protection level

>10KV

Protection level

IP68

Quiescent Current

≤5uA

Working current

≤200mA

Battery life

≥6 years

Operating temperature

Normal temperature: -25~+70, limit temperature: -40~+80

Uplink communication

NB-IOT

Relative humidity

0~98%RH

Insulation compressive strength

5000V

waterproof level

IP68



Dimensions and installation drawings


Nominal port DN (mm)

Length L1 (mm)

Length L2 (mm)

 Width W (mm)

Height H (mm)

 Connection thread R

15

165

255

100

119

R1/2

20

195

295

100

119

R3/4

25

225

345

100

119

R1