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Siemens
Ultrasonic heat and cooling energy meters UH50..
CE2N5324en
Building Technologies
2013-01-14
Power supply
The UH50.. can be powered by a power pack or a battery.
The power pack detects whether line voltage is present. This signal is forwarded to
the UH50.., enabling the meter to automatically detect whether it is powered by the
battery or the power pack.
Power pack AC/DC 24 V
WZU-ACDC24-00
Power pack AC 230 V
WZU-AC230-15
WZU-AC230-50
WZU-AC230-100
Standard battery (2 AA)
WZU-BA+GUM
Universal battery (D-cell)
WZU-BDS
The life of a battery depends on the type of battery and the requirements (e.g.
short timebase, analog module, etc.).
Requirements (with timebase Q =
4 s and T = 30 s)
Battery life
6 years
16 years
Standard pulses M-bus readout
(max. every 15 minutes),
CL module
2 AA
D-cell
M-bus fast readout, fast pulses,
analog module, RF module
D-cell
--
Automatic mains
detection
Power packs
Batteries
Battery life