6
3-3 Measurement
To use the instrument safely, follow the contents described in WARNING and CAUTION
without fail.
WARNING
1) Line Current Measurement
(1) Set range switch
③
from OFF to [30/300mA] position (display will appear).
(2) Set frequency change switch
④
to applying frequency (50 or
60Hz).
(3) Open clamp CT
①
and clamp it to the conductor to be measured
(one line). Close CT completely.
(4) Select most suitable range by rotary switch and read the
displayed value. (In case of over range, “OL” mark will appear on
LCD).
*use data hold
⑤
where displayed value cannot be seen clearly.
POSSIBLE ELECTRICAL SHOCK
For safety, use the instrument in circuit less than 600V.
Before operation, confirm the circuit voltage to be used.
POSSIBLE ELECTRICAL SHOCK OR ACCIDENT
Do not handle the instrument in the rain, at humid place, with a drop of water
and or with wet hands.
Do not use the instrument if the instrument body or CT case are damaged.
Do not use the instrument, leaving the battery cover off.
POSSIBLE FIRE HAZARD AND BURN ACCIDENT
Part of CT will get heat when applying excessive current.
Do not apply more than maximum capable current (300A rms) to CT part.
