Home
APPLICATIONS
PRODUCTS
REPS/DEALERS
FOCI
SERVICES
LITERATURE
CONTACT US

Welcome to Farrand Controls Division, Ruhle Companies, Inc, manufacturers of Inductosyn® transducers used for accurate measurement of angular or linear position displacements.  Inductosyn® transducers combine high accuracy, extreme reliability, and ruggedness to meet the demanding requirements of harsh military, space, and industrial environments.

rotary2.jpg (16156 bytes)POSITION
ACCURACY
to ±0.5
arc seconds!
LINEAR &
ROTARY
TRANSDUCERS

Currently, Inductosyn® transducer applications include space satellites, submarine navigation systems, antenna pedestals, tracking mounts, telescopes, factory automation, robotics, machine tool control, cryogenic chambers, and hard vacuum chambers. 
scientific.jpg (3244 bytes)

INDUSTRIAL/COMMERCIAL
AEROSPACE/DEFENSE APPLICATIONS

In business since 1955, the quality and accuracy of our products have earned us recognition as the leader in the field of high precision position control.
quadboard.jpg (7355 bytes)
ELECTRONICS, CONVERTER BOARDS, WIRING, DIGITAL READOUTS, PREAMPLIFIERS
     

FOCI OPTICAL COMPONENTS & INSTRUMENTS DIVISION:

   
FOCI Opto Encoders

Offers virtually every type of Optical Encoder both self-contained and modular.
FOCI also repairs and manufactures exact replacements for encoders previously manufactured by Sequential Electronic Systems Inc.      
 

Industrial Incremental & Absolute Optical Encoders, High Resolution Military Encoders, Encoded Torque Motors, Solid State Limit Switches & Special Purpose Control Systems

       

Farrand Optical Instruments

Offers high performance filter fluorometers for a wide range of applications, representing the latest technology for fluorescence detection instruments in a line that has been in development since 1944.
 

 


Spectrofluorometers & Fluorescence Polarization Instruments, Vertical Leveling Mirrors & Specialized Optical Alignment Tools

Contact Information for Ruhle Companies, Inc.
Farrand Controls Division, Inductosyn Intl. Division,
Farrand Optical Components & Instruments Division:

Telephone: 914-761-2600   FAX: 914-287-4038
FOCI Opto Encoders: 914-287-4071 FAX: 914-287-4038
Farrand Optical Instruments: 914-287-4035 FAX: 914-287-4025


Postal address 99 Wall Street Valhalla, NY    USA  10595-1452

Electronic mail:
For General Information: sales@ruhle.com
Sales: sales@ruhle.com  Customer Support: service@ruhle.com
FOCI Opto Encoders: dgandhi@ruhle.com   Farrand Optical Instruments: lwund@ruhle.com
Webmaster: jtrench@ruhle.com

Click Here for a list of:
International Representatives

[ Home ] APPLICATIONS ] PRODUCTS ] REPS/DEALERS ] FOCI ] SERVICES ] LITERATURE ] CONTACT US ]

Tel: (914)761-2600 Fax: (914)287-4038 email: sales@ruhle.com
Send mail to jtrench@Ruhle.com with questions or comments about this web site.
Copyright © 1999 RUHLE COMPANIES, INC.
Last modified: March 09, 2015

INDUCTOSYN® REGISTERED TRADE MARK