Single Jet Heat Meter High accuracy and durability Different communication interfaces DN15 20

Technical data

Flow sensor

mechanical single jet

Nominal diameter         

DN15

DN15

DN20

Minimum flow qi, m³/h        

0.012

0.03

0.05

Nominal flow qp, m³/h    

0.6

1.5

2.5

Maximum flow qs, m³/h  

1.2

3

5

Starting flow, m³/h  

<0.004

<0.004

<0.006

Pressure loss at qp, bar

<0.025

Accuracy class(EN1434)

3

Dynamic range qi/qp

1:50

Nominal pressure, bar

                                                                16

Temperature range, ℃

95℃

Temperature difference range, K

3-90

Starting temperature difference range, K

3

Installation

return flow/forward flow, horizontal/vertical

Display

LCD, 8 digits + icons

Units

kWh, GJ

Inputs

4 pulse type for extermal meters

Interfaces

Pulse, M-bus, RS485, optical

Power supply

3.6V, lithium, 10 days

Temperature sensors

Pt1000

Data history in EEPROM memory

60 months, 184 days, 1488 hours

Thread

G3/4B

G3/4B

G3/4B

G1B

G1B

Lengths, mm

110

110

110

130

130