Waters ACQUITY UPLC M-Class System Manual page 35

• If the red tip protrudes from the end of the gauge, the port has an imperfection, such as
a burr, and is not acceptable for the ZenFit fitting.
Note:
the gauge), try pushing the spring-loaded tip back into the gauge. If the tip moves back
into the gauge with little or no resistance, the port is acceptable for the ZenFit fitting.
Figure 2–4: Failing result
• If the tip does not protrude from the end of the gauge, the port is acceptable for the
ZenFit fitting.
Figure 2–5: Passing result
3. Unscrew the gauge from the port and store it in a suitable location.
2.6.1.4 1/4-28 flangeless fitting with ferrule
First use or reinstalled
1
Compression screw
Ferrule
Tighten the fitting finger-tight.
If the red tip protrudes slightly (less than 1/16 inch, or 1.5 mm, from the end of
Indicator protrudes from end of gauge.
Indicator does not protrude from end of gauge.
November 26, 2019, 715003588 Revision C
Page 35