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Metrological accuracy class
Environmental class
Energy unit
Standard
On request
Flow values
Minimum flow q
i
Horizontal
Vertical
Nominal flow q
p
Maximum flow q
s
Starting value – horizontal
Upper limit of thermal power P
Quality of heating water
Max. permissible operating pressure
Range of use – flow meter
Temperature measurement
temperature range of sensor
temperature difference
Behaviour of flow
Flow ≤ 2,1 ×* q
p
Flow > 2,1 × q
p
Permissible ambient temperature
Transport and storage
Operation
Battery life time
Connection sizes and mass
threaded end connections
Installation length
Mass
Temperature sensor
Temperature sensing element
Temperature probe type
τ
Response time
0,5
Diameter of protective sheath
Connecting lead
Standards, CE
Electronic Heat Meter
3 as per EN 1434
ratio q
/ q
s
ratio q
/ q
p
ratio q
/ q
p
A as per EN 1434
kWh
GJ
3
0.6 m
/h
12 l/h
24 l/h
600 l/h
1200 l/h
4 l/h
3
0.6 m
/h
S
125 kW
VDI guide line 2035
(VDI – union of german engineers)
10 bar
15... 90 °C
15...105 °C
3...90 K
Linear
Constant
–20 °C .. +70 °C
+5 °C .. +55 °C
10 years + ½ years
3
0.6 m
/h
G¾B
110 mm
0,620 kg
Pt 1000 as per EN 60751
Short DS
≤3.5 s
5 mm
1.5 m
EN 61000-4-3:2002+A1:2002
DIN EN 61000-4-Parts 2, 4, 8
DIN EN 55022
DIN EN 1434, (1997, 2002)
= 2 : 1
p
= 25 : 1 vertical
i
= 50 : 1 horizontal
i
3
1.5 m
/h
2.5 m
30 l/h
50 l/h
60 l/h
100 l/h
1500 l/h
2500 l/h
3000 l/h
5000 l/h
10 l/h
16 l/h
3
1.5 m
/h
2.5 m
313 kW
523 kW
3
3
1.5 m
/h
1.5 m
/h
2.5 m
G¾B
G¾B
G1B
80 mm
110 mm
130 mm
0,565 kg 0,604 kg
0,686 kg
CE1N5331en
3
/h
3
/h
3
/h
7/8
03.11.2005