835H Hollow-Shaft Rotary Encoder
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Catalog excerpts

835H  Hollow-Shaft Rotary Encoder - 1

The Series 835H Hollow-Shaft Optical Encoders are rugged, high-performance devices designed for use where precise motion sensing is critical. The Series 835H is available in three different models. They have the same mechanical and electrical features, but differ in performance and price. The following features are common to all models: Push-pull phototransistors for signal stability Optional zero index Fits any size shaft up to 1.2(30mm) diameter Simpler design of userԒs shaft: No threads, shoulders, or critical length requirements Internal flexible coupling for easier installation Combination synchro/face mount or square-flange mount Shielded ABEC Class 7 bearings for protection against contaminants Precise chrome-on-glass disc Three Models available: Model 8135H:Model 8235H:Model 8435H: single reading head; resolution up to 8 times the line count on the disc. two reading heads for higher accuracy; resolution up to 80 times the line count on the disc. four reading heads for the highest accuracy; resolution up to 80 times the line count on the disc. Long-life LED illumination for reliability > Gurley Precision Instruments514 Fulton StreetTroy, NY 12180 U.S.A.(800) 759-1844, (518) 272-6300, fax (518) 274-0336, Online at www.gurley.com, e-mail: info@gurley.com ingenuity@work

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835H  Hollow-Shaft Rotary Encoder - 4

SINUSOIDAL OUTPUT PULSE OUTPUT > CHAN A CHAN B SINUSOIDAL OUTPUT OPTION This option provides quadrature sinusoids at the same spatial frequency (cycles/rev) as the line count on the disc. At lower line counts, the signals tend to be more trapezoidal than sinusoidal. > V REF BUFFERED SINUSOIDS (OUT INTERP = B01 )The output device is an op amp referenced to (50% ѱ3%) x V P-P signal amplitude, data channels: 1.0 0.1 V > 360Ѱ 180Ѱ INDEX INDEX(OPTIONAL) DATATRACK Amplitude ratio, min chan to max chan: .90 to 1.00 > V REF cc Typical signal values at 1 kHz with 4.7 k P-P signal amplitude, index...

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835H  Hollow-Shaft Rotary Encoder - 6

MODEL LINES IND V OUT INTERP BASE CAB CONN DIA SPEC > MODEL INTERP - Interpolation factor 8135H Standard accuracy 01 With buff. sinusoid output 8235H High accuracy 01, 02, 05, 08 With square wave output 8435H Highest Accuracy 01, 02, 04, 05, 08, 10, 20 With pulse output LINES IND - Index format - Disc line count BASE - Base type F Full cycle ungated ( A Synchro/face mount, no shaft seals, Andok 003600050000512 00600 00900 01000 0102401575 01800 02000 02048 02500 02540 02700 03000 03175 0330003600 04000 04050 04096 0420004302 04310 04500 05000 05400 06000 06400 06480 07000 0720007640 08000...

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