Abstract: An RF connector includes a shell that forms a cavity with the shell including external threads having a recessed portion therein which does not extend into the cavity so as not to cause a disruption in a signal transmitted through the connector. A locking slug is secured within the recessed portion for example by using an adhesive. The locking slug increases friction between the external threads and complementary internal threads of an interface plug to prevent the RF connector from loosening from the interface plug.

Abstract: A testing and measuring apparatus and method is described for determining the accuracy of pressure transducers under test and for accurately measuring the pressure of a fluid. Accurate calibration of a referenced pressure transducer and automatic correction of the output signal produced by the reference transducer are features of the system. Specifically, the test system includes a reference pressure transducer, input and output fluid ports, solenoid control valves, a microcomputer and a key pad. Input to the reference pressure transducer is coupled to the solenoid control valves which are respectively coupled to the pressure standard, to atmosphere and to the input and output fluid ports. The output of the reference pressure transducer is coupled to a microcomputer programmed to automatically correct the output signal from the reference pressure transducer for certain predetermined inaccuracies and is also preferably programmed to control the operation of the solenoid control valves.