920 Rotary Incremental Encoder0 pages

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Gurley Series 9x20 Rdtary Incremental Encoder
High Performance - Industrial Ruggedness
The Series 9x20 is a family of optical incremental encoders designed for industrial-grade applications that require high resolution and high accuracy. The Series 920 is available in two basic models and a variety of mechanical configurations. All 920s share these features: • LED illumination for long life (100,000 hours) • Differential photo-detectors for signal stability • Single-board, surface-mount electronics for reliability • RS-422 differential line driver output for noise immunity • Zero index signal • Sealed bearings for contamination resistance (ABEC 7 in solid shaft version; ABEC 5 in blind hollow shaft version). • IP66 sealing for harsh environments (IP64 at the shaft exit) Model 9120: Resolutions up to 4500 cycles/rev (18,000 counts/rev); optional index formats; optional input voltage. Model 9220: Dual read heads for improved accuracy; monolithic integrated ASIC for internally interpolated resolutions up to 36,000 cycles/rev (144,000 counts/rev); watchdog circuit.
Gurley Precision Instruments 514 Fulton Street Troy, 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
	9dd1 Certified

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