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Maintenance
45
4
Press [ ] or [ ] until "End" on the lower line changes to "mEAS."
5
Press [NEXT ENTER] to display the calibration screen for measurement.
6
Select one of the measurement functions (DCV, DCA,
Ω
) using the [FUNCTION]
key and press [RANGE] to select the range to calibrate. Three values (two for
resistance) must be entered into the instrument from the standard equipment to
calibrate one range.
The recommended value for the "FS" calibration point appears at the lower line of
the display first.
For DCV or DCA
V
Measured
value
Recommended
value
7
Enter the value into the instrument from the standard equipment. (If the
recommended value has not been entered, enter the value), and then press [NEXT
ENTER] for confirmation.
V
Measured
value
Recommended
value
8
Press [24V OUT] to switch the function from "FS" to one of the remaining
adjustment points, "0," and "-FS," and repeat step 7 for each of them referring to the
recommended value shown on the lower line.
9
Press [HOLD] to write the calibrated value into the EEPROM of the instrument.
Perform this operation for each range.
10
Repeat steps 6 to 9 for each range.
For
Ω
Ω
Ω
Ω
Ω
k
Ω
k
Ω
Measured
value
Recommended
value
Measured
value
Recommended
value
7
Connect a high-accuracy resistance of the specified value and measure the
resistance. Correct the value of the calibration point and press [NEXT ENTER] to
confirm it.
8
Press the [24 V OUT] key and wire for the "0" calibration point and do the
calibration. The calibration point is toggled by pressing the [24 V OUT] key
between [FS] and [0].
9
Press [HOLD] to write the calibrated value into the EEPROM of the instrument.
Perform this operation for each range.
10
Repeat steps 6 to 9 for each range.
Returning to the Measurement/Generation screen
11
Press [
] to display [SP FC].
Press [ ] or [ ] until [End] appears on the lower line of the display.
12
Press the [NEXT ENTER] key to return to the Measurement/Generation screen.
Note
• When calibrating the resistance measurement, if the resistance of the lead connecting terminals is
not negligible, measure the resistance through the lead, and enter the value for the "0" calibration
point into the instrument.
• When calibrating the resistance measurement, if an error in the value of precision resistance or the
resistance of the wiring lead is not negligible, measure the resistance through the lead and high-
accuracy resistance, and enter the value for the "FS" calibration point into the instrument.
• If you turn off the power before pressing the [HOLD] key, the set value is not stored.
• The calibrated value is retained even after turning off the power.
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