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The place to come for support for Prosig's DATS, P8000 & PROTOR products

Prosig Support Blog
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Does the P8000 support strain gauges? And which types?

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I’m often asked whether the Prosig P8000 systems support strain gauges. And what configuration of strain gauge bridges are supported? The answer is all types of all the different configurations. Continue reading Does the P8000 support strain gauges? And which types?

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How should the bridge factor be selected when using strain gauges?

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The number of active arms in a strain gauge Wheatstone bridge is known as the bridge factor.

As a simple guide when selecting bridge factors the following rules apply; Continue reading How should the bridge factor be selected when using strain gauges?

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Calibrating an Accelerometer with a Prosig P5000 system

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Here we look at how to calibrate an accelerometer using a Prosig P5000 system.

Put the wax on the shaker top. Place the accelerometer in the axis you wish to calibrate with positive up and cable connected to P5000 with the relevant transducer class chosen.

Accelerometer calibration screen
Accelerometer calibration screen

Go to Single Channel Calibration screen.

Click on the Tone tab.

With P5000 armed turn on the shaker and monitor the sine wave on the real-time monitor and check Signal Quality as being GOOD.

With a GOOD sine wave click the Calculate button. It is recommended to click Calculate three times.

Check to see the Sensitivity change from what was originally entered when setting up the channel transducer information to the new calculated value. The calculated value should be close to the original.

DC Cal Offset is for DC level accelerometers.

Requested Excitation is for non IEPE (ICP) accelerometers such as capacitive.

After calculating the new sensitivity click on the Use button to make the change in the Transducer Sensitivity Acquisition Setup file.

NOTE: To achieve a GOOD signal reading place the shaker on a flat surface and avoid touching during operation. Make sure the surface the shaker is sitting on does not come in contact with other sources of vibrations or electrical conductance.

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[Video] Calibrating a strain gauge for use with a Prosig P8000 system

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James Wren (Prosig UK) steps through how to calibrate a strain gauge for use with a Prosig P8000 system.

 

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[Video] How To Calibrate Microphones & Accelerometers

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Here are two videos on a relatively simple, but sometimes misunderstood procedure – how to calibrate microphones & accelerometers Continue reading [Video] How To Calibrate Microphones & Accelerometers

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