Performance Tests and Calibration 6
U1253B User’s and Service Guide 161
Resistance
[3]
Short SHORT Short Ω and COM terminals
50 MΩ OPEN Open terminals
10.000 MΩ 0.9 to 1.1 × reference input value
5 MΩ 3.000 MΩ 0.9 to 1.1 × reference input value
500 kΩ 300.00 kΩ 0.9 to 1.1 × reference input value
50 kΩ 30.000 kΩ 0.9 to 1.1 × reference input value
5 kΩ 3.0000 kΩ 0.9 to 1.1 × reference input value
500 Ω 300.00 Ω 0.9 to 1.1 × reference input value
Diode Diode SHORT Short Ω and COM terminals
2 V 2.0000 V 0.9 to 1.1 × reference input value
Temperature K-type 0000.0 °C Provide 0 °C with ambient compensation
Notes for valid adjustment reference input values:
1 The minimum AC current output Fluke 5520A calibrator is 29.00 μA only. Be sure to set at least 30.00 μA for the
calibration source of AC μA.
2 Both AC V positions must be calibrated individually.
3 Be sure to recalibrate the “Short” using the dual banana plug with copper wire after performing calibration for resistance.
Table 6-3 Valid adjustment reference input values (continued)
Function Range Reference input value Valid range for reference input
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