A method of testing an inlet-outlet valve being part of a valve unit, such as an inlet-outlet normally open valve unit (1) for opening or closing for a fluid, such as liquid gas, is provided. The inlet-outlet valve can be brought into a closed position, wh...

A measuring apparatus comprises a first chamber (13), a second chamber (15) and a membrane (25) separating the first chamber (13) and the second chamber (15) . Furthermore the measuring apparatus comprises a notch in an outer wall of the first chamber (13)...

An arrangement comprises a test volume (22) and a cut-off valve (24). The test volume (22) is hydraulically arranged between the injection valve (20) and the cut-off valve (24). The cut-off valve (24) is hydraulically coupled to a fluid line (26). The meth...

Method for testing fuel injection nozzles of combustion engines comprises using a fluid jet directed onto a pressure sensor for testing each nozzle. Preferred Features: The pressure in a defined surface region is determined using a pressure sensor. The pre...

The test method involves mechanically or thermally loading the converter with a mechanical or thermal test signal, detecting an electrical response signal from the converter produced by the loading and evaluating the response signal of the converter to tes...

Monitoring equipment comprising a part (36) which defines a cavity (42), and input means (12, 20) to input fluid under pressure into the cavity (42). Mounting means (44) are provided on the said part to enable an engine fuel injector valve (46) or other fl...