5560A/5550A/5540A
Service Manual
66
Start the Calibration Adjustment
To begin Product calibration adjustment:
1. Tap Setup on the touch screen
2. Tap Secured under the 55x0A Adjustment where, depending on the device being adjusted, the
model is 5560A, 5550A, or 5540A.
3. The Product is protected with security passcode.To unprotect the Product, see Calibration Security
Passcode in the Operators Manual.
4. After the Product is unprotected, the calibration adjustment procedure sequence displays:
DCV * ACV * Frequency * DCI * DCV DCV
1
* ACI * ACV ACV
1
* Resistance
Capacitance * Inductance
1
* TC_source * TC_meas
Note 1: DCV DCV (Vdc out of the secondary output), ACV ACV (Vac out of the secondary output),
and Inductance are not available on the 5540A.
To begin a calibration adjustment, tap on Continue. The firmware of the device proceeds with the first
section of the calibration adjust sequence.
Volts DC Calibration Adjustment (OUTPUT VZ)
The Product begins the adjust with internal steps.Complete a Vdc Zero on the Fluke Calibration 8588A.
Put a 4-wire short (Fluke PN 2540973) across the HI and LO input and sense terminals.
1. Set the 8588A as follows: Volts dc, Range Auto, NPLC 50, Guard ON (external guard).
2. Push ZERO, and then ZERO FUNC. Allow the zero function to finish.
3. Connect a strap between the Guard and Ground terminals of the DUT.
4. When the Product displays a connect prompt, connect the 8588A for vdc measurement with a low
thermal cable. Table 4 is a list of equipment required. Tap Continue after the connection is made.
5. When the Product displays an instruction to set the Product to Operate, push OPERATE.
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