Manual Integrator Supercal 531 06-06-2011 20
4.2 Data storage with backup-batteries in the
mains modules
The mains modules:
230 VAC - 45/60 Hz
(115 VAC - 45/60 Hz on request)
By default, each mains module is supplied with a backup-battery which guarantees the current
supply in case of a power failure. If a power failure occurs, the Supercal 531 is operated automati-
cally in a battery-saving mode to ensure the continuity of the metrological functions.
Without AC- or DC-mains supply, the service life of the backup-battery (depending on the applica-
tion and the ambient conditions) in constant operation with an autarkic flow sensor is up to 260'000
minutes (approx. 6 months).
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