Ac Voltage Measurement Test; Dc Current Measurement Test - LG DM-311 Adjustment And Test Procedure Manual

Adjustment and test procedure Manual

5-4 AC Voltage Measurement Test

Set Rotary S/W to AC Voltage Mode and Apply below voltage to terminal COM and terminal V to each
range with a calibrator. Check the measurement value to each frequency, 60Hz and 400Hz.

5-5 DC Current Measurement Test

Set Rotary S/W to DC Current Mode and Apply below DC current to terminal COM and terminal mA to
each range with a calibrator. Check the measurement value to each range
Apply below DC current to to terminal COM and terminal 10A with a calibrator.
Version 1.0
LG Precision Co., Ltd.
Customer
Range
Specification
AC 200mV
AC 2V
±(0.75%+3dgt)
AC 20V
AC 200V
AC 750V
Customer
Range
Specification
DC 200µΑ
DC 2mΑ
±(1.0%+2dgt)
DC 20mΑ
DC 200mΑ
Customer
Range
Specification
±(1.5%+2dgt)
DC 10A
Factory
Specification
±(0.65%+3dgt)
Factory
Specification
±(0.9%+2dgt)
Factory
Specification
±(1.4%+2dgt)
Page 6 of 12
DM-311
Test AC Voltage
190mV/60Hz
190mV/400Hz
1.9V/60Hz
1.9V/400Hz
19V/60Hz
19V/400Hz
190V/60Hz
190V/400Hz
750V/60Hz
750V/400Hz
Test DC Current
190µΑ
1.9mΑ
19mΑ
190mΑ
Test DC Current
9A
99-08-26