Teledyne LeCroy HFP2500 - Manual (Page 36)

HFP2500 High Frequency Probe
30 922253-00 Rev A
21. Record the calculated error to two decimal places (±0.xx %) as ’Gain Error, mid range’ in the
Test record.
22. Verify that the mid range gain error is less than ±1.0%
This completes the Performance Verification of the HFP2500. Complete and file the Test Record, as
required to support your internal calibration procedure.
Apply suitable calibration label to the HFP2500 housing as required.
Adjustment Procedure
You can use this procedure to adjust the HFP2500 probe to meet the warranted specifications. This
procedure should only be performed if the probe fails to meet the Performance verification tests for
Output Zero or Offset Accuracy.
Gain which affects LF attenuation accuracy cannot be adjusted during routine calibration. Probes
which fail LF frequency accuracy during performance verification must be returned to the factory for
rework.
To assure probe accuracy, check the calibration of the HFP2500 every 1000 hours or once a year if
used infrequently. Before calibration, thoroughly clean and inspect the probe as outlined in the Care
and Maintenance section.
To assure the probe will meet the published specifications over the entire temperature range,
adjustment must be performed in a controlled ambient environment with temperature of
23 °C ±5 °C.
CAUTION: The adjustment procedure will require removal of the probe control circuit
cover. This cover is part of the ESD protection system of the HFP2500. To protect the probe,
you should perform the entire procedure on a static dissipating work surface. Wear an
antistatic wrist strap and follow standard static control procedures.