USER MANUAL
OPTIMA 7
MRU GmbH, D-74172 Neckarsulm
32 / 78
6
Preparing measurement
Ensure power supply
The analyzer can be used with:
•
with the internal MRU battery (provided)
•
with the MRU battery charger (provided)
External equipment may only be connected while the analyzer is
switched off!
Auto
matic Auto-off function
The instrument is automatically switched off after 60 minutes. During a
measurement or a battery charging cycle the auto off is deactivated.
Measuring with grid power supply / Battery charging
Whenever you connect the analyzer with external battery charger
(90...260 V / 50/ 60Hz) the battery will be charged
Once the battery is fully charged the analyzer will switch to trickle
charge mode.
At the moment, if the battery is fully charged and the trickle charge
mode begins, an acoustic feedback will be played.
Battery charge condition
The battery symbol in the top right corner displays the current battery
charge condition.
Approximately 15 minutes
(depending on the analyzer configuration)
before the battery is drained, the battery symbol will start to blink red
(about once per second).
When the battery is almost drained and the analyzer is not connected to
the battery charger within one minute, then the analyzer will switch off
automatically to prevent deep discharge of the battery.