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Industeq Inc.
Sony Mfg. Sys.
 
 
 

SR721RD/RN

 

High accuracy scale for position control

  • Magnetic principle
  • Unitized scale and head makes it easy to install in correct alignment
  • Compact design
  • The provided HK cable may be used to connect the SR-721RN to an interpolator which requires the HK cable unit (including the head amplifier).
  • A center foot-plate mount is provided for scales with an effective measuring length over 800mm(31.5”).
 
Specifications
Model SR721RD/RN
Effective length 100 mm to 1100 mm (3.94" to 43.31")
1200 mm to 1800 mm (47.24" to 70.87")
Overall length 300 mm or shorter Effective length + 160 mm (6.30")
350 mm or longer Effective length + 240 mm (0.45")
Max. side length 300 mm or shorter Effective length + 28 mm - 9 mm (0.35") at the left, 19 mm (0.75")
350 mm or longer Effective length + 100mm - 50 mm (1.97") at the left, 50 mm (1.97")
Accuracy (at 20 °C / 68 °F) 3 + 3L / 1000 (µm) p-p (L: Effective measuring length in mm)
Parallelism tolerance 0.1 mm / 0.004"
Thermal expansion coefficient (11±1) x 10 ^-6 / C
Operating temeprature -5 to + 40 °C / 23 to 104 °F
Storage temperature -10 to +50 °C / 14 to 122 °F
Absolute zero point one position
Zero point position Set within ± 1mm of a customer specified position
Zero point accuracy 4 µm p-p or less