HVTest HT2533, Руководство пользователя

Страница: 11 / 15

11
2) Check whether the pointer on ∞ scale, if not you need to
adjust the mechanical zero screw ⑦.
Note: When adjust the mechanical zero screw, you can
clockwise/ counter-clockwise adjust semi-circle.
3) Use a clean dry cloth to wipe off the surface dirt of measured
object, if necessary, you can wash the casing with gasoline to
eliminate the surface leakage currents to affect test results.
4) Connect HV test lead (red terminal) into line terminal ② , the
other terminal connect to or hang on HV conductor of measured
equipment; Connect green HV test lead to guard terminal ③, the
other terminal connect to HV protection rings of measured
equipment to eliminate the effect of surface leakage currents
(details see "shield terminal (GUARD) instruction" related content).
Connect black test lead to earth terminal (EARTH) ①, the other
terminal connect to the shell of measured device or the ground.
Note: As wiring, pay special attention to the connections of
LINE (red) and GUARD (green), do not let them short circuit.
2. Startup test
1) Adjust selection rotation to connect power supply, if power
supply is normal, the indicator light will become green; if not, it will
become red or yellow.
2) Adjust selection rotation to voltage gear, the instrument will
automatically connect power supply and test the battery capacity