Measuring Frequency And Duty Cycle (17B Only); Maintenance; General Maintenance - Fluke 15B User Manual

15B & 17B
Users Manual

Measuring Frequency and Duty Cycle (17B only)

The Meter can measure Frequency or Duty Cycle while
making either an AC Voltage or AC Current measurement.

Pressing the button will switch the meter to manual
range. Select appropriate range before measuring
frequency or duty cycle.
1. With the Meter in the desired function (AC Voltage or
AC Current), press the
2. Read the frequency of the AC signal on the display.
3. To make a duty cycle measurement, press the
button again.
4. Read the percent of duty cycle on the display.

Maintenance

Beyond replacing batteries and fuses, do not attempt to
repair or service your Meter unless you are qualified to do
so and have the relevant calibration, performance test,
and service instructions. The recommended calibration
cycle is 12 months.
10

button.

XW Warning
To prevent possible electrical shock, fire, or
personal injury:
•
Do not operate the Product with covers
removed or the case open. Hazardous
voltage exposure is possible.
•
Remove the input signals before you
clean the Product.
•
Use only specified replacement parts.
Have an approved technician repair the
Product.
•
Remove all probes, test leads, and
accessories before the battery door is
opened.

General Maintenance

Periodically wipe the case with a damp cloth and mild
detergent. Do not use abrasives or solvents.
Dirt or moisture in the terminals can affect readings.
To clean the terminals
1. Turn the Meter OFF and remove the test leads.
2. Shake out any dirt that may be in the terminals.