dn125 Large-caliber Ultrasonic Water Meter With Intelligent Measuring Instruments Digital Water Meter

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 flow Q1(m3/h)

0.013

0.02

0.032

0.05

0.08

Start-up flow(m3)

0.005

0.005

0.008

0.01

0.015

Max flow indicator(m³/h)

999999.99m³

Measuring range

Q3/Q1, R200

Accuracy class

Class B

Pressure loss

≤0.063 MPa

Working pressure

MAX1.6 MPa

Temp class

T50

Temp range

(5~55)℃

Installation environment

Indoor,Class B

Electromagnetic environment

E1(Residential, Commercial, Industrial)

Power supply

Built-in lithium battery DC 3.6V

Battery life

≥ 8years

Installation position

Horizontal or Vertical

Display

LCD, 8 digits + additional characters

Installation pitch

U10/D5

Interface

RS 485/M-bus

Protection class

IP68

Data storage

storage of all monthly value of last 18 months

Flow measurement

Normal state:6 times/4 sec.(1 time/15 sec .under no water condition);Verification state:12 times/sec.