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InnoMeter® 3834 Vibrations on Wind Energy Turbines

Vibration Measurement on Wind Energy Turbines

Application

The InnoMeter 3834 is designed for the measurement and evaluation of vibrations on wind energy turbines and its components acc. to VDI 3834.

By means of this instrument, vibrations of structural components like housing and tower, but also of machine components like rotorbearing, gearbox and generator can be assessed.

Therefore, a triaxial vibration sensor is mounted at specified positions. By means of a signal converter type InnoBeamer, its signals are transmitted to the computer (e.g. notebook) on which the InnoMeter 3834 is running.

Properties

The InnoMeter 3834 combines vibration measurement, assessment, presentation of the results incl. printing a report in one instrument. In addition, signals can be analyzed in detail in time and frequency domain in Pro version.

Results are assessed in traffic light colors already during the measurement. This assessment is based on reference values from VDI 3834, which can be also adjusted acc. to the plant. All measurements are transferred to the data storage automatically, which lists up the results in a clearly arranged table. You can look at each measurement in detail with all parameters once again. Furthermore, you can add your own remarks for each measurement.

Printing a report is carried out by mouse click. The report examples are freely adjustable, for instance with your own company logo.

WET vibration measurements can be carried out especially quick and effective with the InnoMeter 3834 since it masters combined measurements: Measurement modes at the same measuring point can carried out simultaneously instead of tediously one after another. This way, measuring time is halved without relinquishing precision and more turbines can be measured per day than with usual equipment.

The VDI 3834 recommends measurements under stable conditions. Who wants to evaluate it? The InnoMeter 3834 features an objective monitoring technology and automatically indicates instable operational conditions. Thus there is safety for comparable measurement conditions.

Technical DataInnoMeter 3834

Modell InnoMeter 3834 Pro InnoMeter 3834

Signal Processing

Filter

Automatically adjusted: 0.1 ... 10 Hz, 10 ... 1000 Hz, 10 ... 2000 Hz, 10 ... 5000 Hz

Measurands

Vibration acceleration in m/s², vibration velocity in mm/s

Parameters

Interval rms value of vibration acceleration and velocity, stability criterion

Measurement duration

Acc. to VDI: 1 min / 10 min depending on the measurement mode

Presentation

Numeric display

5 digits: 0.001 ... 99999

Refresh

1 ... 4 times per second (centrally managed in InnoMaster)

Status indicator

Sensor, measuring channel, measurand, parameter, gain, underload, overload, stability

Recommended Screen Resolution

From 800x600 pixels on

Data Acquisition, Storage and Presentation

Measurement Modes

Assessment acceleration / assessment velocity for housing, tower, rotorbearing, gearbox, generator

Measurement

- User guide
- Choice of the measurement mode
- Indication of elapsed and remaining measurement duration
- Indication of the interval rms value for all axes incl. stability criterion
- Indication of the vibration total value (maximum of the 3 axes)

Data Storage

- Saving up to 100000 measurements per file
- Indication of detailed data for the marked measurement
- For each measurement, remarks can be noted
- Save and reload measured values in CSV format
- Printing reports about single event and about the complete data storage
- Individual report examples can be configured

Integrated Graphical Evaluations

Analysis Single Event

  • Signal course of vibration acceleration
  • Signal course of vibration velocity
  • Frequency analysis for vibration acceleration
  • Frequency analysis for vibration velocity
  • Amplitude list for frequency analysis

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Event Notification

Extra Display

Display of total vibration value as well as evaluation of single measurement in traffic light colors

Radio Switch

Binary signaling of single measurement's evaluation (good/bad)

Digital Output

Binary signaling of single measurement's evaluation (good/bad)

E-Mail

Transfer of total vibration value as well as evaluation of single measurement

Miscellaneous

Available as a Kit

MK-VIB-Set-31P

MK-VIB-Set-31

General Functions

Instrument is cloneable