Fluke 8808A - Direct Current Verification

8808A
Calibration Manual
3-8
Table 3-5. 2-Wire Ohms Verification Steps (cont.)
90-Day Test Limit 1-Year Test Limit
Nominal
Input
Range
High Low High Low
1.9 MΩ 2 MΩ STD+0.00063 MΩ
[1]
STD-0.00063 MΩ
[1]
STD+0.00084 MΩ
[1]
STD-0.00084 MΩ
[1]
0 MΩ 20 MΩ 0.0006 MΩ -0.0006 MΩ 0.0006 MΩ -0.0006 MΩ
19 MΩ 20 MΩ STD+0.0386 MΩ
[1]
STD-0.0386 MΩ
[1]
STD+0.0481 MΩ
[1]
STD-0.0481 MΩ
[1]
0 MΩ 100 MΩ 0.004 MΩ -0.004 MΩ 0.004 MΩ -0.004 MΩ
100 MΩ 100 MΩ STD+1.504 MΩ
[1]
STD-1.504 MΩ
[1]
STD+1.754 MΩ
[1]
STD-1.754 MΩ
[1]
[1] 5700 reading + resistance
Direct Current Verification
To verify the Amps dc function of the Meter, connect it to the test equipment as shown in
either Figure 3-4 or Figure 3-5 depending on current level and apply the current levels
listed in Table 3-6.
HI
LO
1000V
750V
2W/4W
MAX
INPUT SENSE
HI
LO
4 W
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
mA
LO
HI
LO
Output
Output
10A
NC
AUX Current Output HI
Connect 57X0A and 5725A Callibrator to the UUT as follows:
57X0A8808A
ffw004.eps
Figure 3-4. Less than 2 Amps Direct and Alternating Current Test Setup