Item

Parameter

Accuracy

Class 2

Nominal   Diameter.mm

DN25，DN32，DN40

Dynamic Range R

250/400

Max. Permissible   working Pressure

1.6MPa

Temperature class

T50

Upstream Flow Field Sensitivity

U5

Downstream Flow   Field Sensitivity

D3

Climate   &Mechanical Environmental Conditions Class

O

Electromagnetic Compatibility

E2

Content of   Display

Cumulative flow   rate: m3, Instantaneous flow rate: m3/h, Water Temperature, ℃,   Cumulative effective running time: h, Date: y/m/d, Clock: h/m/s, Software   version, Screen test

Display   Resolution

Cumulative flow rate:   0.001m3;

Verification   accumulation (0.001L)

Display Range

Cumulative flow   rate: 0 m3~+999999.999m3

Type of   Communication

M-BUS、Photoelectric Interface、Pulse/LoRa, LoRawan, NB-IOT

Data storage

Storing   accumulated flow monthly, automatically storing data for the last 24 months

Power Supply

Battery Powered   DC3.6V

Protection Class

IP68

Pressure loss class

△P63

Nominal diameter(mm)

DN25

DN32

DN40

Overload flow Q₄(m3/h)

7.875

12.500

20.000

Permanent flow Q₃(m3/h)

6.300

10.000

16.000

Transitional flow Q₂(m3/h)

0.0252

0.0400

0.0640

Minimum Flow rate Q₁(m3/h)

0.0157

0.0250

0.0400

Starting Flow   rate (m3/h)

0.003

0.003

0.006

Nominal diameter

 L1

 L

W

 H

connecting threads

mm

d

D

25

160

120

98

95

R1

G1/4

32

180

120

98

100

R1/4

G1-1/2

40

200

120

98

108

R1-1/2

G2