Frequency Measurement (Jaw And Flexible Current Probe); Maintenance; Cleaning The Meter And Flexible Current Probe - Fluke 381 User Manual

381
Users Manual

Frequency Measurement (Jaw and Flexible Current Probe)

To measure frequency:
1. Turn the Meter Rotary Function Switch to A or D if the Flexible Current Probe is being
used for the measurement.
2. Center the Jaw or Flexible Current Probe around the measurement source.
3. Push Z on the Meter to shift to Hz. The frequency is displayed on the Meter display.

Maintenance

To avoid possible electric shock or personal injury, repairs or servicing not
covered in this manual should be performed only by qualified personnel.

Cleaning the Meter and Flexible Current Probe

To avoid electrical shock, remove any input signals before cleaning.
To avoid damaging the Meter, do not use aromatic hydrocarbons or chlorinated
solvents for cleaning. These solutions will react with the plastics used in the
Meter. Do not immerse the Meter in water.
Clean the instrument case with a damp cloth and mild detergent.
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XW Warning
XW Warning
W Caution