Indicators
The Indicator Table provides information for interpreting the battery status indicator, results of the
insulation test, and the tones produced by the speaker.
Indicator Table
Feature
Indication
No display
Battery
Flashing
Status
BAT
OL
u
Insulation
Resistance
– – – –
Test
t
12
Good battery.
Battery life is limited. Lo Bat will also appear on the screen. Unit
will soon shut down automatically.
The battery symbol, the word BAT, and the approximate percent of
battery left will appear on start up.
The insulation resistance is greater than 2.0 GΩ.
The insulation resistance is greater than 1.1 GΩ.
The insulation resistance is less than:
• 10 kΩ at 50 V
• 20 kΩ at 100 V
• 50 kΩ at 250 V
• 100 kΩ at 500 V
• 200 kΩ at 1000 V
The insulation resistance is less than 70 kΩ.
Explanation