KYORITSU 3007A - Manual (Page 15)

― 13 ―
5. PREPARATION FOR MEASUREMENT
5-1 Removing the Cover
Model 3005A/3007A have a dedicated cover to protect against an impact
from the outside and prevent the operation part, LCD, and connector
socket from becoming dirty. The cover can be detached and put on the
back side of the main body during measurement.
Method of removing the cover Method of storing the cover
5-2 Battery Voltage Check
① Set the function switch to any position except "OFF".
② When the battery voltage warning symbol ( ) is lit, the batteries are
exhausted. Replace all of them with new ones according to section 8
for battery & fuse replacement.
5-3 Test Probe Connection
Insert test probes fully into connector terminals of the instrument.
Connect test probe (black) to EARTH terminal and test probe (red) to
LINE terminal of connector terminal.
― 12 ―
6. OPERATION
6-1 Disconnection and check of power source of the circuit under test
DANGER
● To avoid possible electrical shock, do not perform measurements on
energized (LIVE) circuits.
● Never make measurements with the battery compartment cover
removed.
CAUTION
● Never press the test button if the live circuit warning is indicated or the
warning buzzer sounds. This may damage the circuit.
Voltage check can be made with the function switch at any position except "OFF".
Be sure to turn off the breaker for the circuit under test.
① Connect the test probe (black) to the earth side and the test probe (red) to
the line side of the circuit under test.
② Ensure that the live circuit warning is not lit and the audible warning is not
present. When the live circuit warning is lit and the buzzer sounds, never
press the test button. Voltage is generated in the circuit under test.
Recheck that the breaker for the circuit under test is "OFF".
3007A-E 01.9.12 11:52 AM ページ 12