Model R112 rotary incremental encoder

Smallest high resolution optical encoder!

• Only 12 mm x 24 mm
• Up to 8,000 cycles/rev (32,000 counts
  rev after 4X quadrature decode)
• Quarter-cycle gated index
• Shaft or blind hollow shaft versions

DATASHEET
 

Models R119 and R120 rotary incremental encoders

• Only ¾" dia x ¾" long (19 mm x 19 mm)
• Up to 16,384 cycles/rev (65,536 counts
  rev after 4X quadrature decode)
• Quarter-cycle gated index
• Shaft or blind hollow shaft versions

DATASHEET

Model M122 magnetic rotary encoder

• Non-contact, frictionless, bi-directional
  rotation
• 22mm body; blind hollow shaft
• Four different output options
• Up to 13 bits of resolution

DATASHEET

Models 9111S and 9211S rotary incremental encoders

• 1.06" dia x 1.8" long body; 1/8" shaft 
• Up to 1800 cycles/rev (A quad B) at 100
  kHz with internal electronics
• Up to 36,000 cycles/rev (A quad B) at 1
  MHz with external electronics
• Buffered sinusoid or RS-422 output
• Two accuracy grades

DATASHEET

Model R137 rotary incremental encoders

• R137: 37 mm dia. x 37 mm long body
• S version: 4 mm, 1/8" or 1/4" dia Shaft
• B version: fits over user's 3 mm dia
  shaft; includes flexible stator coupling  
  (tether mount)
• C version: fits over user's 3 mm dia
  shaft; includes built-in flexible stator
  coupling (tether mount)
• Up to 230,400 counts/rev (A quad B)  
  with internal electronics
• Hollow-shaft versions have been
  produced to specific Customer 
  requirements - please e-mail here for
  more information

DATASHEET

Model 7700 kit rotary incremental encoder 

• Compact: 0.5" tall x 1.7" dia. (max)
• up to 5,000 cycles per rev.
• optional commutation tracks
  eliminates the need for hall effect
  feedback for brushless motors
• 125 kHz frequency response
• -40°F to 212°F (-40°C to 100°C)

DATASHEET

Model R158 rotary incremental encoder

• 58 mm dia x 36.7 mm long body;
  environmentally sealed
• Up to 1,000,000 counts
• RS-422 differential, photocurrent, and
  photovoltage outputs
• +/- 15 to +/- 75 arc sec accuracy (see
  datasheet)
• Temperatures ranges to -40°C to 100°C 

DATASHEET

Models 9120 and 9220 rotary incremental encoders

• 1.94" dia x 1.48" long body;
  environmentally sealed
• S version: 1/4" shaft dia; available with
  optional bell flange and rotary shaft
  coupling for shafts up to 10mm dia
• B version: fits over user's shaft up to
  10mm or 3/8" dia; includes flexible
  stator coupling (tether mount)
• Up to 36,000 cycles/rev (A quad B) at
  500 kHz with internal electronics (model
  9220), or 4500 cycles/rev at 100 kHz
  (model 9120); index is standard
• Watchdog circuit to detect encoder
  faults (model 9220)
• RS-422 differential line driver output
• Two accuracy grades

DATASHEET

Models 9125S and 9225S rotary incremental encoders

• 2.5" dia x 2.7" long (max) body; 3/8" shaft
• Up to 50,000 cycles/rev (A quad B) at 300
  kHz with internal electronics
• Single-board, surface-mount electronics
• RS-422 differential line driver output
• MS connector (side or end) available
• Integral pinion shaft option
• Three accuracy grades
• Extra environmental protection

9X25S SERIES DATASHEET

Models 8135S and 8235S rotary incremental encoders

• 3.5" dia x 2.8" long (max) body; 3/8"
  shaft dia
• Up to 90,000 cycles/rev (A quad B) at
  500 kHz with internal electronics
• Up to 225,000 cycles/rev (A quad B) at
  1 MHz with external electronics
• Buffered sinusoid (11,250 cycles/rev
  max), TTL, open collector or RS-422
  output
• MS connector (side or end) available
• Two accuracy grades

DATASHEET

Models 8x35H hollow shaft incremental encoders

• 3.5" dia x 2.4" long body; fits shafts up
  to 1.20" dia
• Internal bellows-type precision flexible
  shaft coupling
• Up to 90,000 cycles/rev (A quad B) at
  500 kHz with internal electronics
• Up to 225,000 cycles/rev (A quad B) at
  1 MHz with external electronics
• Buffered sinusoid (11,250 cycles/rev
  Max), TTL, open collector or RS-422
  output
• Three accuracy grades

DATASHEET   MANUAL

Models 8460 and 8560 angle encoders

• S version: 14-mm shaft dia
• H version: 50-mm dia through hole
• 6" dia x 2.0" long body
• 900,000 cycles/rev (A quad B) at 3 MHz
  (0.0001° resolution) with internal
  electronics
• Accuracy to ±2 (8460) or ±1 arcseconds
  (8560)
• Watchdog circuit to detect encoder
  faults
• RS-422 line driver output

DATASHEET

Model 9480H angle encoder

• 60-mm dia through hole
• 8" dia x 1.6" long body
• 1,800,000 cycles/rev (A quad B) 
  (0.00007° resolution) with internal
  electronics
• Accuracy to ±2.5 (call for lower)
• RS-422 line driver output

DATASHEET

Model 9710 modular incremental encoder

• Discs up to 30" dia
• Line counts up to 36,000
• Quadrature output up to 20X disc line
  count with HR2B/C electronics
• Model 9710 has Virtual Absolute and
  Vacuum compatible options

Under certain conditions, smaller read heads are available. Please consult factory for more details.   

DATASHEET

Models HR2B and HR2C high resolution interpolators

• Available with models 9710 and 9717
• Generates quadrature square waves at
  any 1, 2, 5, 10 or 20 times the line
  count on the disc or scale
• Watchdog output constantly monitors
  read-head signal quality
• RS-422 differential line driver output
• Available as unhoused boards for
  integration with user's electronics, or in
  a 4.9" x 3.7" x 1.7" enclosure

DATASHEET

Model ISC3N incremental interface card

• Provides an interface between an IBM®
  PC or compatible computer and most
  incremental encoders
• Handles up to 3 encoders
  simultaneously
• Includes a comprehensive User's
  Manual and a 3.5" diskette with test and
  utility software along with example
  programs

Model HD heavy duty enclosure

• Extremely robust housing to protect
  Model 925 encoders
• Separate shaft/bearing assembly
  completely isolates the encoder from
  external shaft loads, shock, vibration
  and contamination
• 4" dia x 9.4" long, 5/8" shaft dia

DATASHEET

Accessories

As a convenience to our customers, GPI offers various accessories to make it easier to install and use our encoders.  These include:
• Digital displays:
  incremental and absolute
• Mating connectors
• Cable assemblies
• Shaft couplings - check out our SCA
  coupling datasheet
• Mounting flanges
 

Call (800) 759-1844, (518) 272-6300 fax 274-0336