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3. Check that the calibration fitting (01-115514S) is equipped with the correct pressure port for your
reference meter.
The calibration fitting comes with a quick connect pressure port (A) but you can remove this and replace
it with either the 1/4-inch knurled nut pressure port (B) for 1/4-inch Teflon tubing or the 3/8-inch knurled
nut pressure port (C) for 3/8-inch Teflon tubing.
4. Connect the assembled calibration fitting to the side test port, configured either in option 1 or option 2.
Use a Teflon washer (61-114611) to seal the connection between the calibration fitting and the side test
port. Finger tighten and ¼ turn.
port plug