Arc Calibration; Connection Diagram; Ac Arc Calibration (Ac Mode) - Chroma 19071 User Manual

HIPOT Tester 19071/19072/19073 User's Manual
(16) Press [STOP][START] to read the ammeter value, ex. 4.85mA.
(17) Press [INC.] or [DEC.] until shows 4.85mA and then press [ENTER] for saving.
(18) Press [STOP] to stop DCA 5.0mA range full scale calibration.
4.4

ARC Calibration

4.4.1 Connection Diagram

1. ARC calibration is very special, the high voltage terminal are in
CAUTION
2. Please contact your local agent for more detailed descriptions.

4.4.2 AC ARC Calibration (AC MODE)

Connect one terminal of dummy load resistor 250kΩ, 5 Watt or higher to high voltage
■
output terminal and get closer to low potential terminal of the HiPot tester gradually.
However, do not connect the HiPot tester to another terminal of resistor and generate
sparking between these two.
(1) Press [UP] or [DOWN] to select AC ARC calibration.
(2) Press [SETUP] [READING] to enter ARC reading setting.
(3) Press [INC.] or [DEC.] until shows the reading is (OUTPUT/READING)*1.414,
((1.25kV/250kΩ)*1.414)=7.7mA.
4-8
outside. Be careful with it as it may cause hazard.