Verification Of Voltage Inputs In 120 V Range - Fluke 435-II Service Manual

CALIBRATOR
NORMAL
Figure 4-2. Checking the A/L1, B/L2, and C/L3 voltage inputs
3. To check the N input, connect the N input with the adjacent C/L3 input. A/L1, B/L2,
C/L3 now will give zero reading. Refer to Figure 4-4.
CALIBRATOR
NORMAL

4.8.2 Verification of voltage inputs in 120 V range

Accuracy Check of Channel A/L1, B/L2, C/L3:
HI
LO
A/L1 B/L2 C/L3
A/L1
B/L2
HI
LO
A/L1
B/L2 C/L3
A/L1 B/L2
Figure 4-3. Checking the N (Neutral) voltage input
POWER
ADAPTER
BC 430
GND
N
ANALYZER
C/L3
N
INPUT
BLOCK
POWER
ADAPTER
BC 430
GND
N
ANALYZER
C/L3
N
INPUT
BLOCK
Performance Verification
4.8 Voltage Inputs
4
4-9