Fluke 6270A - Test Port Insert

Pressure Controller/Calibrator
CPS Use
55
4. Hold the instrument steady, while turning the gauge adapter
COUNTER-CLOCKWISE until it pulls down onto the O-ring, see Figure 13.
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Figure 13. Tighten Gauge
Test Port Insert
For devices with 1/8 BSP or NPT mounting threads, the diameter of the thread is
very close to the effective sealing diameter of the O-ring fitted to the test port.
See Table 15 and Figure 14.
This can make it difficult to achieve a good seal. When mounting these devices,
use the test port insert (stored in the spare seals container).
1
2
3
4
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Figure 14. Test Port Insert