Fluke 6270A, Service Manual, Page: 27 / 144

Pressure Controller/Calibrator
Maintenance
21
Clean the Exterior
To clean the Product, wipe it with a cloth that is lightly dampened with water or
mild detergent. To clean the display, use a soft cloth lightly dampened with
alcohol.

Caution
Do not use aromatic hydrocarbons or chlorinated solvents for
cleaning. They can damage the plastic materials used in the
Product.
Pressure Leakage Test (on-board diagnostics)
1. From the main menu, touch Tasks or SETUP>Tasks .
2. Touch Leak Test .
3. Complete these sections:
a. Setpoint – Pressure set point on which to perform the leak test.
b. Stability – After the set point is achieved, the time in seconds to wait for
stability before the duration of the test begins.
c. Duration – The time in seconds to collect data for leak-rate calculation.
d. Mode – Defaults to external, not selectable.
e. Run – Runs the test.
f. Exit – Exit menu.
Note
With the test port plugged and no volume, it is expected to achieve
better than 0.04 %FS/Min rate.