Air Gap Tool

Wireless measurement tool for accurate rotor-stator air gap checks in large-scale hydro generators.

Key features

Wireless operation via Android/iOS app
Real-time gap monitoring with live data
Configurable range and depth for field fit
USB rechargeable battery, >4 hrs life
Accurate Kaman eddy current technology
Stores gap data for download and review

Performance highlights

The Air Gap Tool by Kaman Measuring Systems enables precise static alignment between rotor and stator components in large-scale hydro generators. It uses robust eddy current sensing technology to ensure accurate, repeatable measurements in real-world maintenance and installation scenarios.

Usage conditions

Operates in both horizontal and vertical orientations
No cables required, making it ideal for hard-to-reach areas
Rechargeable via USB (adapter included)
Compatible with Android and iOS devices

Possible applications:

Hydroelectric turbine rotor-stator alignment
Generator installation and reassembly checks
Maintenance gap verification
Static alignment testing in confined environments

Advantages of choosing this product

With wireless data transfer, user-friendly mobile integration, and no requirement for cabling or paper logging, the Air Gap Tool speeds up hydro generator maintenance while reducing error margins. The tool also delivers insight with real-time max, min, and average readings.

Other important features:

Full-featured app GUI for intuitive use
Optional carrying case
Field-configurable sensor range
Resolution: 0.001” [.025 mm]
Range: 0.4” to 1.0” [10.16 to 25.4 mm]

Do you need this sensor for your next project?

Request a no-obligation quote or send us your contact details for a free, no-obligation consultation. Our sales engineers will then contact you within a maximum of 1 to 2 working days.

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Product downloads

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Talk to our experts

Not exactly what you are looking for? We offer standard sensors, but can also help you with sensors adapted for you or a fully customised measurement solution. Contact us for advice or pricing.