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Section 2: Performance verification
DMM6500 6½-Digit Multimeter with Scanning Calibration and Adjustment Manual
2-26
DMM6500-905-01 Rev. E June 2021
To verify 4-wire resistance accuracy:
1. Connect the DMM6500 INPUT and SENSE terminals to the calibrator as shown in the following
figure.
Figure 9: Connections for 4-wire resistance accuracy verification
2. Set the calibrator for 4-wire resistance with external sense on.
3. On the DMM6500, press the
FUNCTION
key and select
4W Res
.
4. Press the
MENU
key.
5. Under Measure, select
Settings
.
6. Set Offset Compensation
On
.
7. Verify that Open Lead Detector is
Off
.
8. On the home screen, select the button next to Range and select
1 Ω
.
9. Source the nominal zero and full-scale resistance values for the 1
Ω to 10
kΩ ranges. Source the
nominal zero value for the 100
kΩ range. Refer to the tables in
Calculated limits
(on page 2-27).
10.
For the 100 kΩ range, only verify 0 Ω with Offset Compensation set
to
On
.
11. Set Offset Compensation to
Off
.
12. Verify full-
scale 100 kΩ on the 100
kΩ range and 0 and full
-scale for the 1
MΩ and 10
MΩ ranges.
13. Verify that the readings are within calculated limits.
When Offset Compensation is set to On, ranges are limited to 1 Ω
to 10 kΩ. When Offset
Compensation is set to Off, all ranges (1 Ω to 100 MΩ) are available from all interfaces.
Содержание DMM6500
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