Fluke 1743-BASIC Service Manual

Performance Verification
4.8 Voltage Inputs 4
4-9
A/L1
B/L2 C/L3
N
GND
A/L1
B/L2 C/L3
N
CALIBRATOR
POWER
A
DAPTER
BC 430
A
NALYZE
R
INPUT
BLOCK
LO
HI
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.
A/L1
B/L2 C/L3
N
GND
A/L1
B/L2 C/L3
N
CALIBRATOR
POWER
A
DAPTER
BC 430
A
NALYZE
R
INPUT
BLOCK
LO
HI
NORMAL
Figure 4-3. Checking the N (Neutral) voltage input
4.8.2 Verification of voltage inputs in 120 V range
Accuracy Check of Channel A/L1, B/L2, C/L3:

Fluke 1743-BASIC Specifications

General

Brand	Fluke
Model	1743-BASIC
Category	Measuring Instruments
Language	English