Dc Voltage Calibration - East Tester ET3240 User Manual

5 1/2 Digital Multimeter User Manual
® IRL
000. 000,
000. 00Omv
200mV Slow Input _ OmV Local
Figure 8-1 Calibration interface
Description
Indicates the currently calibrated function
Indicates the current calibration range.
Used to enter true values. The arrow keys can be used to modify this value.
Current measured value.
Table 8- 1 Calibration interface desenption
8.1 DC voltage calibration
Two ways to enter the DC voltage calibration:
CM,
1 In the DC voltage measurement function, press ol key combination, and enter the
correct password.
2 Send the corresponding, SCPI instruction to muitimeter.
'Through the panel button to enter the DC voltage calibration function, the start calibration range is
the display range before switch. If the calibration function is entered by remote command, the calibration
start range is the minimum display range for DC voltage measurement. For example, the minimun display
range in DC voltage measurement is 200m V, so the calibration start range is 200mV,afler a remote
instruction,
200mV calibration steps:
1 Enter OmV according to the prompt of zone 3 in Figure 8-1. Press Enter key after the measured
value in arca 5 is stable,
2. Enter -200mV according to the prompt of zone 3 in Figure 8-1. Press Enter key after the
measured value is stable.
3. Enter 200mV according to the prompt of zone 3 in Figure 8- |. Press Enter key after the
measured value 1s stable.
4_The calibration program jump to 2V range automatically
At this point, 200mV range calibration is completed, the calibration data written to FLASH. If the
calibration function is exited at this time, a separate calibration of 200mV is completed.
ZV calibration steps:
1, Enter OV according to the prompt of zone 3 in Figure 8- |. Press Enter key after the measured
value in area 5 is stable
2. Enter -0.SV according to the prompt of zane 3 in Figure 8- |. Press Enter key after the measured
value is stable.
3. Enter -1V according to the prompt of zone 3 in Figure 8- 1. Press Enter key after the measured
value is stable.