Basic Rotary Sensors

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This basic range of rotary sensors is available in different diameters and measures the angle of a target at up to 12mm gap.  Used on end shaft, in conjunction with a CTU chip, the system reports full absolute angular position over 360°.

The basic rotary sensor is a Type 1 sensor (find out more about how sensors are classified and what this means for CTU selection in our FAQ). A single CAM204 Central Tracking Unit (CTU) chip can operate up to 4 Type 1 sensors, including a mix of linear and rotary.

Basic rotary sensors are available in 25mm, 36mm and 50mm diameters.

Features

  • Simple non-contact target
  • Large gaps & misalignment 
  • Full absolute sensing over 360°
  • Standard 4-layer PCB process
  • 25, 35 or 48mm diameter copper coil pattern
  • Highly repeatable

Performance 

25mm rotary sensor assembly
  • ±0.5° (±0.14%) Absolute Error at gap 1.5mm
  • ±1° at Radial Misalignment 1mm, gap 0.5…2.5mm
  • <±0.18° change (±0.05%) across temperature -40°C…85°C, ≤ 3.5mm Gap
36mm rotary sensor assembly
  • ±0.5° (±0.14%) Absolute Error at gap 1…8mm
  • ±1.5° Absolute Error at Radial Misalignment 2mm, gap 1…3mm
  • ±3° Absolute Error at Radial Misalignment 2mm, gap 1…7mm
50mm rotary sensor assembly
  • ±0.6° (±0.17%) Absolute Error at gap 5…12mm
  • ±1.4° Absolute Error at Radial Misalignment 2mm, gap 6…10mm

This basic range of rotary sensors is available in different diameters and measures the angle of a target at up to 12mm gap.  Used on end shaft, in conjunction with a CTU chip, the system reports full absolute angular position over 360°.

The basic rotary sensor is a Type 1 sensor (find out more about how sensors are classified and what this means for CTU selection in our FAQ). A single CAM204 Central Tracking Unit (CTU) chip can operate up to 4 Type 1 sensors, including a mix of linear and rotary.

Basic rotary sensors are available in 25mm, 36mm and 50mm diameters.

Features

  • Simple non-contact target
  • Large gaps & misalignment 
  • Full absolute sensing over 360°
  • Standard 4-layer PCB process
  • 25, 35 or 48mm diameter copper coil pattern
  • Highly repeatable

Performance 

25mm rotary sensor assembly
  • ±0.5° (±0.14%) Absolute Error at gap 1.5mm
  • ±1° at Radial Misalignment 1mm, gap 0.5…2.5mm
  • <±0.18° change (±0.05%) across temperature -40°C…85°C, ≤ 3.5mm Gap
36mm rotary sensor assembly
  • ±0.5° (±0.14%) Absolute Error at gap 1…8mm
  • ±1.5° Absolute Error at Radial Misalignment 2mm, gap 1…3mm
  • ±3° Absolute Error at Radial Misalignment 2mm, gap 1…7mm
50mm rotary sensor assembly
  • ±0.6° (±0.17%) Absolute Error at gap 5…12mm
  • ±1.4° Absolute Error at Radial Misalignment 2mm, gap 6…10mm
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CambridgeIC

Founded in 2007, CambridgeIC has developed single chip processors and a set of standard sensor designs and integration tools. These help customers embed resonant inductive sensing inside their products, by drawing on modular and well proven components.

Contact

Cambridge Integrated Circuits Ltd
21 Sedley Taylor Road
Cambridge
CB2 8PW
UK
+44 (0) 1223 413500
info@cambridgeic.com