When using an analogue channel input channel of a P8000, with a tachometer sensor, is it possible to utilise the tachometer processing functions as you would if you were using a tachometer input of the P8000?
For example could you display an RPM on an analogue channel?
When using an analogue channel it is possible to select, from the signal setup matrix, ‘Trigger Type’, with this option set to ‘Tacho’ and the ‘Trigger Level’ set to the voltage crossing threshold several features become available in terms of tachometer processing.
By selecting the above options the user will be able to use the ‘Digital Panel’ display type from the signal display and thus by selecting the ‘Speed’ option in the ‘Display Type’ drop down list an RPM will be available.3521class="post-3521 post type-post status-publish format-standard hentry category-signal-processing category-tutorial tag-balance tag-imbalance tag-multi-plane-balancing tag-multiplane-balancing tag-rotating-machinery"
In the DATS Multiplane Balancing Software, there are two options, optimise for ‘Zero imbalance’ or optimise for ‘Specified imbalance’, but what is the objective of these two options?
Continue reading Multiplane Balancing – Zero Imbalance or Specified Imbalance
So you’ve got some noise and/or vibration data from a rotating machine, but no speed information. Surely that means you can’t analyse against speed or do any order analysis, right? Well, not quite!
The DATS Rotating Machinery option now comes with a tool to create speed v time data using your noise or vibration signals.
Watch the video to find out how…
3294class="post-3294 post type-post status-publish format-standard hentry category-signal-processing category-tutorial tag-acceleration tag-accelerometer tag-accelerometers tag-acquisition tag-hammer-impact tag-hammer-impact-test tag-hammer-test tag-inlet-manifold tag-manifold tag-resonance tag-resonant tag-rotating-machinery tag-rotation-speed"
There are a number of ways to find the natural frequency (resonance) of a part like an automotive inlet manifold. Here are three different types of popular test technique. But which one should you use and why? Continue reading How do I find the natural frequency of an inlet manifold?2691class="post-2691 post type-post status-publish format-status hentry category-dats category-news tag-can-bus tag-dats tag-gps tag-noise tag-rotating-machinery tag-software tag-update tag-vibration tag-videos post_format-post-format-status"
The latest version of Prosig’s DATS software was released today and is available to download from the Prosig Support web pages. Read on to find out about some the new features… Continue reading New Version Of DATS Out Now – V7.0.22 Released2639class="post-2639 post type-post status-publish format-video hentry category-dats category-signal-processing category-tutorial category-video tag-dats tag-fft tag-harmonics tag-noise tag-orders tag-rotating-machinery tag-speed tag-tacho tag-vibration tag-video tag-waterfall post_format-post-format-video"
This is complete version of the video illustrating my recent article How To Measure Noise & Vibration In Rotating Machines. This video was previously published on the blog in 3 parts.
The video will be best enjoyed by selecting the 720p option and selecting full screen mode.60class="post-60 post type-post status-publish format-standard hentry category-protor-tutorial tag-condition-monitoring tag-displacement tag-probes tag-protor tag-rotating-machinery tag-shaft-displacement tag-shaft-surface tag-vibration-measurement"
The measurement of shaft displacement is an important vibration measurement for rotating machines. Shaft displacement is usually monitored by non-contact shaft displacement probes that produce a voltage proportional to the distance of the shaft surface relative to the tip of the probe. Ideally two shaft displacement probes will be fitted to measure the displacement in both the horizontal and vertical directions. Actually the probes do not have to be exactly horizontal and vertical as Prosig’s PROTOR system is able to resolve into the horizontal and vertical directions.
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This note describes the importance and setup of a keyphasor or tachometer signal for PROTOR Remote Monitoring Data Acquisition System (RMDAS) units. RMDAS units are provided with manual tachometer conditioning control. The note describes the control functions and there effect on the conditioned tachometer signal, it also describes the relationship between phase measurement and keyphasor triggering.
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