Hammer Impact Analysis - 8491-A

The Hammer Impact is a point BK Connect® Applet containing all functionality required to calculate accelerance, mobility and compliance FRFs using impact hammer measurements

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BK Connect Hammer Impact Applet is a dedicated tool for characterizing structural properties such as resonances in troubleshooting, benchmarking, design verification, quality control or material testing scenarios using roving or fixed hammer impact testing.

Acquired FRFs can also be exported to BK Connect Modal Analysis Types 8420 and 8420-A for a complete modal analysis on complex structures.

CHARACTERISTICS

The BK Connect interface and product structure was designed throughout the development process with the users’ roles as a central theme. BK Connect applets focus on the operator role, providing easy-to-use, often one-click, interfaces to perform specific, and often repetitive, tasks

CAPABILITIES

Single easy-to-use applet from data acquisition and recording to data management and reporting
Measurement of a wide variety of functions, including time signals, auto‐ and cross‐spectra, coherence functions and frequency response functions
Interactive graphical interface with front‐end hardware – coloured light rings display channel status of LAN‐XI hardware
Integrated transducer manager and database including:
- Automatic detection and import of data for TEDS‐enabled transducers
- Quick assignment of non-TEDS transducers by simple drag and drop
Automatic calibration signal detection – automatic gain adjustment option
Real-time monitor: shows levels and spectra for all active channels
Single or random impact techniques with:
- Intuitive graphical hammer setup and measurement interfaces
- Voice feedback during hammer setup and measurement
- Automatic undo of last average in case of double hit, soft hit or unacceptable force level roll‐off
- Time data recording during measurement
- Result Matrix tool for easy display, comparison and reporting of results
Integrated reporting in the test process using embedded Microsoft^® PowerPoint^® templates
Support of SI and imperial units and acceleration in 'g'
Support of accelerometers, displacement and velocity transducers

Because this is a BK Connect product and the resulting data can be shared with and utilized by full BK Connect systems, you have access to all the standard BK Connect metadata attributes.

This applet can be paired with any single LAN-XI module from the single-channel Type 3161 to the 12-channel Type 3053 or LAN-XI Light Type 3676. Adding additional modules requires upgrading to a full BK Connect licence.

Pairing with LAN‐XI Light creates a complete standalone system ideally suited for impact testing.

If impact testing is to be done simultaneously in more channels than supported by a single LAN‐XI module, you must use the Structural Measurements – Hammer and Shaker Type 8411 application.

This applet allows for post-processing of recorded data on the Sound Level Meter 2250 and Sound Level Meter 2270.

Roving impact testing using up to three uniaxial accelerometers (or a single triaxial accelerometer) as reference
Fixed impact testing using fixed accelerometers for smaller setups and roving accelerometers for larger setups
Measurement of FRFs as input to modal parameter estimation using BK Connect Modal Analysis Types 8420 and 8420‐A

File	Description	Type	Languages	Size
BK Connect Hammer Impact Applet Type 8491-A-N-SYS		Technical Document	English	2 MB

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Hammer Impact Analysis - 8491-A

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