# Low pressure (vacuum) transducer Dx Low pressure (vacuum) transducer Dx is included to basic/full kit of the USB Autoscope III. It is applied for estimation of the engine mechanics.
| Techniques of application of the low pressure (vacuum) transducer Dx can be seen in the Flash movie. To see Flash movie »
In case dialogue "Do you want to run or save this file?", answer "Run". If dialogue " The publisher could not be verified. Are you sure you want to run this software ", answer "Run".