Battery status and alarm indication
Battery power capacity for operation is indicated in 3 levels.
Figure 7-14 Battery status
● Full symbol indicates battery capacity is above battery alarm level (% preset parameter
206).
● Low symbol indicates that battery should be replaced; however, measurement will remain
active. Level is based on a preset alarm level.
● When low symbol is flashing, measurement and communication is disabled until battery
pack has been replaced and reset.
"Low battery" is a selectable % (parameter 206) of 100% full capacity. The meter calculates
the remaining capacity every four hours, including all consuming elements and the influence
of temperature changes.
Consumption and operation time calculation
Battery operation time depends on connected battery pack as well as operation conditions of
meter. Every 4 hours the advanced power management system calculates the real power
consumption and remaining operation capacity.
Power consumption calculation includes flow measurement, meter dialog (communication and
display) and pulse output.
Temperature is also measured to control and adjust its influence on the battery capacity.
The internal 2 D-cell battery pack has a nominal capacity of 33 Ah giving a typical operation
of 6 years for MAG 8000 Standard and MAG 8000 CT, and 4 years for MAG 8000 Irrigation.
Operation
7.6 Battery-powered operation
SITRANS MAG 8000
70 Operating Instructions, 11/2018, A5E03071515-AE
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