AI- Tek Tachometer Transducers

AI-Tek tachometer transducers are self-generating units when used with speed sensors. Tachometer Transducer is designed primarily to provide an easy means of attaching a pulse generating assembly to rotating shafts. Sensor gapping, shaft run-out, and mounting problems are eliminated. This makes the unit especially useful for shafts with high run-out. The ordering map on the following page provides information for selecting a unit for your particular application. Please note that sensors and cable assemblies must be ordered separately.

A.I. Tek Instruments Tachometer, LLC. has spent over 60 years designing and manufacturing electronic and electromechanical products that protect monitor, and control rotating equipment in some of the most demanding MIL-AERO, Petro-Chem, Rail, and industrial markets. We have the business, quality, and resource systems of larger companies coupled with the agility and entrepreneurial spirit of the best small companies. With a dedication to ongoing technological development, a healthy respect for the tried and true, and an understanding of each customer’s unique requirements, AI-Tek provides solutions based on reliable and innovative products and services at a competitive price.

AI-Tek started as Airpax, a subsidiary of fortune 100 companies. In 1998, Airpax Instruments (a part of Philips North America Corporation) was sold to Mannesmann VDO, then to Siemens in 2000. Shortly after that, the Airpax Instruments portion of the business was sold to private ownership. AI-Tek Instruments, LLC was formed in 2002. With over 60 years of combined experience, AI-Tek Instruments looks forward to providing each customer with the highest levels of service and quality products in the years to come.

A.I. Tek Instruments Tachometer Features

  • Designed primarily to provide an easy means of attaching a pulse generating assembly to rotating shafts
  • The assembly consists of a Taper-Lock bushing which enables quick attachment to rotating shafts
  • Provides a sleeve bushing with two set screws for installation purposes, allowing larger shaft sizes.

Taper-Lock® Type

The assembly consists of a Taper-Lock bushing which enables quick attachment to rotating shafts. The transducer employs a rotor with small perforations along its periphery; a permanently lubricated sealed bearing; an outer ring and a reference rod which, when clamped in position, prevents the outer ring assembly from moving. The outer ring can accommodate up to three-speed sensors for use in monitoring directions of rotation and speed.

Sleeve Type

The AI-Tek sleeve-type transducer assembly is identical to the Taper-Lock type except that it provides a sleeve bushing with two set screws for installation purposes, allowing larger shaft sizes.

A.I. Tek Instruments Tachometer Specification

Lubrication Bearings are permanently lubricated; do not use pressure washes or solvents.
Finish The reference rod and outer ring are anodized aluminum.
Reference Rod 1/4″ diameter, 6″ long
Bearing Limits 4000 RPM max. speed
Weight 54 oz. (1.53 kg) max
Sensor Mounting 5/8-18 UNF-2A threaded hole std.
Output Frequency 30 pulses/rev. (1 Hz = 2RPM),
Standard; 60 pulses/rev. (1 Hz – 1RPM), Optional.
Output Voltage Depends on the magnetic sensor used
One turn of sensor controls 0.056 inches of air gap based on 5/8-18 UNF-2A thread. Normal gap setting range from 0.005 to 0.020 inches
Ambient Temperature 30°C to +50°C

Ref: aitekinstruments.com
Download Data Sheet: Tachometer Transducer

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