Adjustment and test procedure Manual
DM-311
Version 1.0
Page 7 of 12
99-08-26
LG Precision Co., Ltd.
5-6 AC Current Measurement Test
Set Rotary S/W to AC Current 20mA Mode and Apply below AC current to terminal COM and terminal
mA to each range with a calibrator. Check the measurement value to each range
Range
Customer
Specification
Factory
Specification
Test AC Current
AC 200
µΑ
190
µΑ
/60Hz
190
µΑ
/400Hz
AC 2m
Α
1.9m
Α
/60Hz
1.9m
Α
/400Hz
AC 20m
Α
19m
Α
/60Hz
19m
Α
/400Hz
AC 200m
Α
±
(2.0%+2dgt)
±
(1.9%+2dgt)
190m
Α
/60Hz
190m
Α
/400Hz
Apply below AC current to
terminal COM and terminal 10A
with a calibrator.
Range
Customer
Specification
Factory
Specification
Test AC Current
AC 10A
±
(3.0%+2dgt)
±
(2.9%+2dgt)
9A/60Hz
9A/400Hz
5-7 Resistance Measurement Test
Set Rotary S/W to Resistance Measure Mode and Apply below resistance value to terminal COM and
terminal V to each range with decade resistor. Check the measurement value to each range
Range
Customer
Specification
Factory
Specification
Test Resistance
value
200
Ω
±
(0.5%+4dgt)
±
(0.4%+4dgt)
190
Ω
2k
Ω
1.9k
Ω
20k
Ω
19k
Ω
200k
Ω
190k
Ω
2M
Ω
±
(0.5%+1dgt)
±
(0.4%+1dgt)
1.9M
Ω
20M
Ω
±
(1.0%+1dgt)
±
(0.9%+1dgt)
10M
Ω