Indications on the LCD
Measurement Function
UAC
UDC
UDC
Low Ω
Low Ω
Low Ω
Riso
UProtection Level
UAC, UDC,
Low Ω,
UProtection Level
Riso
Display
22
Signification
Overflow, voltage present exceeds
600VAC. Immediately disconnect
voltage from measurement
instrument!
Overflow, voltage present exceeds
+600VAC. Immediately disconnect
voltage from measurement
instrument!
Overflow, voltage present exceeds -
600VAC. Immediately disconnect
voltage from measurement
instrument!
Overflow, resistance > 19,99 Ω.
Test lead resistance compensated.
The internal fuse has tripped and must
be replaced by an authorised person.
External voltage present, consequently,
the Low Ω measurement cannot be
carried out. Immediately disconnect
voltage from measurement
instrument!
Warning symbol, reference to limit
value excess or- Measurement range
excess in one measurement function
Overflow display, insulation resistance
> 1.999 GΩ