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Jet Engine Balancing: Laser Tachometer...Friend or Foe?

From MTI Instruments Inc.

This paper briefly outlines the differences between the two most commonly available methods of obtaining this signal; the laser tachometer and odd tooth detection.

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Vibration Measurement Instruments and Vibration Analyzers
Vibration measurement instruments and vibration analyzers are used for measuring, displaying and analyzing vibration. Typically these instruments comprise a transducer, data acquisition and either a local display or some sort of output to a computer or another instrument.
Product Announcements
MTI Instruments Inc. - Tachometer Signal Conditioner
The TSC-4100R Tachometer Signal Conditioner can be used in engine test cells, or for on-wing applications where a 1/revolution signal is required for engine balancing. For engines with a multi-tooth... (read more)
MTI Instruments Inc. - PBS-4100R Test Cell Vibration & Balancing System
A complete vibration analysis and trim balancing system designed specifically for test cell applications. (read more)
Pelonis Technologies, Inc. - DC Fan ... Xtra High Efficiency
Pelonis Technologies' Xtra High Efficiency DC K1238-7 series Fan in size 120x38mm (4.72x1.50in) available in 12V/24V/48V with Tachometer, Rotation Detection, and PWM options. (read more)
MTI Instruments Inc. - Portable Calibrator and Precision Signal Source
The 1510A Precision Signal Source features two channels that produces high accuracy signals over a wide amplitude and frequency range in a compact, portable device. It features both voltage and charge... (read more)
Monarch Instrument - Panel Tachometers: ACT Series to Meet your Specs
The ACT-1B Panel Tachometer can be factory configured to meet your specifications or user configured on site with the optional USB Programming Cable and Software. (read more)
Monarch Instrument - F2A3X Tachometer Compatible w/Most Speed Sensors
Monarch Instrument's F2A3X Frequency to Analog Converter is a DIN rail module that converts a frequency input signal into a proportional analog voltage (0-5Vdc) or current (4-20mAdc) output. (read more)
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