Products for Professional Piano Technicians
Key Measuring Device (KMD)
Product Details
A Revolution in Key Balancing
With a push of a button, the Key Measuring Device (KMD) accurately calculates upweight, downweight, balance weight, friction, and key dip, making it possible to measure an entire keyboard in under eight minutes!
The KMD eliminates the need to fuss with manual weights on keytops as its precise force sensor takes readings throughout the entire keystroke with built-in protection against errors, providing consistent results.
The KMD can be operated independently or paired via Wi-Fi to a mobile device or laptop, offering the ability to save and export your data in CSV format for use with spreadsheet applications.
Key Measuring Device Features
- Adjustable stop weight up to 400 grams
- Reporting available on any web browser – no unique software needed
- Allows technicians to identify high-friction key and flange bushings
- 13 mm spacer included for consistent measurements
- Persistence Mode to compare readings
- Adjustable analysis window to select which portion of the keystroke to evaluate
- Can be used to measure damper timing
- Built-in battery with universal USB-C charging and battery saving features
Patent Pending
Instructions available for viewing and/or downloading here: https://rennerusa.com/wp-content/uploads/2024/09/p...
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Renner USA
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P.O. Box 3440
Carefree, Arizona 85377
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Scottsdale, AZ 85260
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