Cal Volts Output - Fluke 724 Calibration Manual

Cal Volts Output

Connect the UUT as shown in Figure 14.
Ω SENSE
HI
LO
GUARD
HP3458
From the Calibration Menu, type the number or letter for Cal Volts Output. The PC
displays:
Zero into DAC. Enter the Volts displayed :
Set the HP 3458 to read V DC. Be sure the NPLC on the HP 3458 is slow enough to get
stable readings to four decimal places. When the reading on the HP 3458 has stabilized,
enter the value in volts on the PC, and press Enter. You only need to enter four places
past the decimal point and do not need to enter the units (V). After a short while, the PC
displays:
Max value into DAC. Enter the Volts displayed :
Enter the voltage reading (four places past the decimal) from the HP 3458 on the PC,
then press Enter. After a short while the PC displays the following calibration constants
and new prompt:
0.000170
- press space bar to continue
Press the space bar to return to the Calibration Menu.
INPUT
HI
LO
i
Figure 14. Volts Output Calibration Connections
= 11.071999 - 0.000000 )/ 65279.00
Calibration Adjustment Procedures
Warning
30 V maximum to
30V MAX ALL TERMINALS
SOURCE / MEASURE
MEASURE
mA +
V V
TC
mA
3W
Hz
RTD
LOOP
TC
mA -
4W
COM COM
UUT
Calibrators
aal08f.eps
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