QT designed instrumentation -modules-O1-

Battery check module O1
This (fixed) module shows permanently batterystatus for max 3 battery-units (=6 batteries).
Each battery-unit has a dual 3-LED indicator indicating the charge of the two batteries by a green/yellow/red LED for: 100-60% 60-20% and below 20% remaining charge.
Baterry operation time of an IVVIDAC-rack depends on number and type of source/measure modules used but is usually 3..6 days.
Power consumption of this module is neglectible, by this module the battery would be discharged after 1.7 year of continuous operation.

picture: O1 module in IVVIDACm-rack in between Summing module and DAC-module
O1 front