User Manual
7
UT108/109 OPERATING MANUAL
Safety Information
This Meter complies with standards IEC61010: in pollution degree 2, overvoltage category
(CATIII 1000V, CATⅣ 600V) and double insulation.
CAT III: Distribution level, xed installation, with smaller transient overvoltages than CAT
IV
CAT IV: Primary supply level, overhead lines, cable systems ets.
Use the Meter only as specied in this operating manual, otherwise the protection
provided by the Meter may be impaired.
International electrical symbols used on the Meter and in this Operating Manual are
explained on page 13.