Fluke 8808A - Front Panel Overview

Performance Verification and Calibration
2-Wire Ohms Verification 3
3-7
2-Wire Ohms Verification
To verify the 2-Wire Ohms function of the Meter, connect it to the test equipment as
shown in Figure 3-3 and apply the resistances listed in Table 3-5.
HI
LO
1000V
750V
2W/4W
MAX
INPUT SENSE
HI
LO
4W
10 A
mA
200mA
MAX
10 A
MAX
1000V CAT I
600 V CAT II
500 V pk
V
1V
300V
OUTPUT
V A
SENSE
VA
AUX
CURRENT
GUARD
GROUND
WIDEBAND
HI
LO
HI
HI
LO
Ω
UUT 57X0A
Input
Input
HI
LO
HI
LO
Output
Output
Input
Input
Note: Connect the 57X0A sense leads to the UUT first!
HI
LO
HI
LO
Sense
NC
NC
Sense
Connect 57X0A and 5725A Callibrator to the UUT as follows:
Set 57X0A to EXT Sense and 2-wire Comp On
57X0A8808A
ffw002.eps
Figure 3-3. 2-Wire Ohms Test Setup
Table 3-5. 2-Wire Ohms Verification Steps
90-Day Test Limit 1-Year Test Limit
Nominal
Input
Range
High Low High Low
0 Ω 200 Ω 0.008 Ω -0.008 Ω 0.008 Ω -0.008 Ω
190 Ω 200 Ω STD+0.046 Ω
[1]
STD-0.046 Ω
[1]
STD+0.065 Ω
[1]
STD-0.065 Ω
[1]
0 kΩ 2 kΩ 0.00004 kΩ -0.00004 kΩ 0.00006 kΩ -0.00006 kΩ
1.9 kΩ 2 kΩ STD+0.00033 kΩ
[1]
STD-0.00033 kΩ
[1]
STD+0.0044 kΩ
[1]
STD-0.0044 kΩ
[1]
0 kΩ 20 kΩ 0.0004 kΩ -0.0004 kΩ 0.0006 kΩ -0.0006 kΩ
19 kΩ 20 kΩ STD+0.0033 kΩ
[1]
STD-0.0033 kΩ
[1]
STD+0.0044 kΩ
[1]
STD-0.0044 kΩ
[1]
0 kΩ 200 kΩ 0.004 kΩ -0.004 kΩ 0.006 kΩ -0.006 kΩ
190 kΩ 200 kΩ STD+0.033 kΩ
[1]
STD-0.033 kΩ
[1]
STD+0.044 kΩ
[1]
STD-0.044 kΩ
[1]
0 MΩ 2 MΩ 0.00006 MΩ -0.00006 MΩ 0.00008 MΩ -0.00008 MΩ