
19
OPERATION
This instrument has been designed and tested in accordance with IEC Publication 1010, Safety Requirements for
Electronic Measuring Apparatus and has been supplied in a safe condition. This instruction manual contains some
Information and warnings which have to be followed by the user to ensure safe operation and to retain the instru-
ment in safe condition.
3-1 Preparation and Caution before Measurement
1. Before measurement, warm up for at least 60 seconds.
2. When the rotary function selector is changed during measurement, be sure do so only after removing the test
leads from the equipment.
3. If the equipment is used near noise generating equipment, be aware that may become unstable or indicate
large errors.
4.
#
Maximum rated voltage to earth for voltage and current measurements terminals is 1000V CAT.
Ⅱ
, 600V
CAT.
Ⅲ
.