User Manual

Technical data
Battery
- Battery type
- Battery voltage
- Battery service life
Lithium battery (cannot be replaced)
3.6 V
11 years
Via external SELV
- Voltage range
- Frequency
- Maximum power consumption
- Length of connecting cable
- Galvanic separation
AC 12…36 V or DC 12…42 V
50 / 60 Hz or DC
0,8 VA
1
.5 m
Existing
Measuring range
(national approvals may differ)
2…
180 °C
Range of temperature differential ΔΘ
3…80 K
Temperature response threshold
0.2 K
Thermal coefficient
Shifting-compensated
Temperature
measuring error without sensor
(0.5 +
ΔΘmin./ΔΘ) %,
max. 1.5% at ΔΘ = 3 K
Sensing element
Pt500 as per EN 60751
Type
Ø 5.2x45 mm
DS M10x1 mm as per EN 1434
Temperature range
(national approvals may differ)
5
…105 °C
Max. temperature
t
max.
-
Heat
- Cooling energy
105 °C
50 °C
Rated pressure
1.6 MPa (PN 16)
Rated flow q
p
m
3
/h
0.6
1.5
2.5
Metrological class
1:100*
1:100*
1:100*
Max. flow q
s
m
3
/h
1.2
3
5
Min. flow q
i
l/h
6**
15**
25**
Response threshold l/h
2.4
6.0
10
Pressure
drop at qp
Mounting length 110 mm Δp mbar
Mounting length 130 mm Δp mbar
Mounting length 190 mm Δp mbar
150
---
150
150
160
160
---
200
200
Flow rate at
Δp = 1 bar, k
v
110 mm m
3
/h
130 mm m
3
/h
190 mm m
3
/h
1.5
---
1.5
3.9
3.8
3.8
---
5.6
5.6
Mounting position
Optional
* In Germany: 1:50
** In Germany: Twice as high
Processor
Power supply alternatively
- Battery
- AC/DC 24 V
Function data
Temperature sensors
Flow measuring section
Function data
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Siemens Ultrasonic heat and cooling energy meters 2WR6.. CE2N5378en
Building Technologies 2014-04-04