6270A
Operators Manual
18
SUPPLY Port
The pressure SUPPLY port must be connected to a regulated source of clean,
dry air or nitrogen as directed in Specifications. Fluke Calibration recommends
that tubing be at least 3 millimeters (1/8 inch) inside diameter and properly rated
for the pressure.
Connect the pressure supply to the SUPPLY port on the rear panel of Product.
The supply port connection is 1/4 inch NPT, 1/4 inch BSP, or 7/16-20 SAE
female. Use a pressure-connecting hose or tube of the appropriate pressure
rating.
The supply pressure should be equal to the greater of 70 kPa (10 psi) or 110 %
of the maximum Product control pressure. The supply pressure should never
exceed 23 MPa (3300 psi). Lower gas pressure sources can be used, but should
exceed the maximum desired test output pressure by at least 10 %.
Caution
To prevent damage to the system, make sure to select the
correct size adapter fitting with the correct thread type. Ensure
that all hardware used is rated to adequate working pressure,
and that all equipment is in proper working order (for example,
no cracks or stripped threads).
To prevent damage to the Product, be sure to connect the
pressure supply to the SUPPLY port. Connecting to another
port can damage the Product.
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