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3. Set the calibrator to output DC volts, and turn external sense off.

4. Perform the steps listed in Table 2-4 to complete DC volts calibration. For each

calibration step:

• Set the calibrator to the indicated value, and make sure it is in operate.

• Wait for the signal voltage to settle.

• Press the ENTER key to calibrate that step.

• Wait until the Model 2182 finishes each step. (The unit will display the

CALIBRATING message while calibrating.)

NOTE Lock calibrator to the 11V range. If your calibrator cannot output the values

recommended in Table 2-4, use the left and right arrow keys, and the up and down

RANGE keys to set the Model 2182 display value to match the calibrator output

voltage.

Setting dates and saving calibration

At the end of the calibration procedure, the instrument will display the CALIBRATION

COMPLETE message. Press ENTER to continue, and the Model 2182 will prompt you to enter

the calibration date and the calibration due date. Set these dates as follows:

1. At the CAL DATE: mm/dd/yy prompt, use the left and right arrow keys, and the RANGE

keys to set the calibration date, then press ENTER.

2. The unit will then prompt you to enter the next calibration due date with this prompt:

CAL NDUE: mm/dd/yy. Use the left and right arrow keys, and the RANGE keys to set

the calibration due date, then press ENTER.

3. The unit will prompt you to save new calibration constants with this message: SAVE

CAL? YES. To save the new constants, press ENTER. If you do not want to save the

new constants, press the down range key to toggle to NO, then press ENTER.

NOTE Calibration constants calculated during the current calibration procedure will not be

saved unless you choose the YES option. Previous calibration constants will be

retained if you select NO.

Table 2-4

DC volts front panel calibration summary

Calibration step Calibrator voltage* Allowable range

10.000000 V +10.000000V +9V to +11V

-10.000000 V -10.000000V -9V to -11V

* Use indicated values when possible.

Calibration 2-9

Keithley 2182 Service Manual

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