TB 9-4931-537-24
Table 1. Cross-Check Limits Continued.
Team:
Calibrator, Fluke, Model 5720A/( )
SN:____________________
_______________________________________
Team Chief Name:
Amplifier, Fluke, Model 5725A/( )
SN:_____________________
________________________________________
Signature:
Multimeter, Agilent, Model 3458A/( )
SN:_____________________
Calibrator
Limits (V)
Multimeter Indications
Output
Min
Max
Calibrator Error Indications
Error Limits ()
0.0 Ω 4
00.00000 ( 8 digits)
0.0135%
135 ppm
1.0 Ω
0.0029%
29 ppm
100 Ω
0.0020%
20 ppm
10 kΩ
100 kΩ 5
0.0021%
21 ppm
0.0079%
79 ppm
10 MΩ
Wideband
Min
Max
1 kHz
0.98 V
1.02 V
1 MHz
0.96 V
1.04 V
Initials of performing technician:
Date of cross-check:
1 Omit
check if 5725A/( ) is not being cross-checked.
Set 5720A OUTPUT to STANDBY. Move connection at 5720A OUTPUT HI and LO terminals to 5725A CURRENT
2
OUTPUT HI and LO terminals. Set calibrator's BOOST pushbutton to on (illuminated) for a 5725A/( ) amplified 1 A
output.
3 Set 5720A OUTPUT to STANDBY at completion of check. Move connection at 5725A CURRENT OUTPUT HI and LO
terminals to 5720A OUTPUT HI and LO terminals.
4 Measurement
taken from multimeter (ohms).
5 Set
multimeter OCOMP to OFF by pressing: Offset Comp Ω, 0, and Enter pushbuttons.
10
