Fluke P3011-MMHG Product Manual - Page 18

2 Preparation Connections 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. 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) as shown in Figure 2-6. 1 2 3 4 Figure 2-6. Test Port Insert gjn012.eps Table 2-1. Test Port Inserts - Parts List Item 1 2 3 4 Description O Ring Test Port Insert O Ring Test Port Part 3865142 3919892 3883397 3921566 To calibrate panel-mounted gauges with pressure connections in the rear, use an Angle Adapter (see Chapter 8, Ancillary Equipment). 2-5 MyFlukeStore Shop for Fluke products online at: www. .com 1.888.610.7664