Specifications

12
Display Symbols(1) (see figure 2)
( figure 2)
No. Symbol Meaning
1
The battery is low.
Warning: To avoid false readings,
which could lead to possible electric
shock or personal injury, replace the
battery as soon as the battery
indicator appears.
2
4
Indicates negative reading.
5
Test of diode.
The continuity buzzer is on.
3
CHARGE
Charge indicator.
6
Indicator for AC voltage or current.
The displayed value is the mean
value.
Model UT90B: OPERATING MANUAL