• One-or two-channel versions
  • ATEX- certification for intrinsically safe devices
  • High-resolution, unbreakable code disc
  • Standard industrial plugs
  • Ingress protection NEMA 4X, IP67
  • Available with housing made of nickel or stainless steel

Interested in our rotary encoders, but still have change requests? We are happy to modify it for you so that it fits perfectly.

Learn more

  • Tel.: +49 / 7424 - 89 - 0
We will be pleased to help you.

  • Hengstler GmbH
    Uhlandstr. 49
    78554 Aldingen
  • Tel. +49 / 7424 - 89 -286
  • Support request
Product FamilyHD20
Ordering InformationRotaryEncoderHD20
Fuction / ApplicationIncremental
  • CE
  • ATEX
  • CSA
Housing Diameter [mm]51 mm
Solid- / Hollow ShaftSolid 10 mm
Protection Rating HousingIP67
Operating Temperatur [°C]-40 ... +100 °C
Housing Option
  • Stainless Steel
  • Nickel Finish
  • powder coated aluminium
Increased Environmental Requirements
  • High mechanical robustness
  • Ex atmosphere
  • CSA approval
  • Cable
  • MS-connector
Revolutions [rpm]6.000 rpm
Number of Pulses1 ... 3600
  • Open Collector NPN
  • Push-pull

The optical HD20 incremental rotary encoder is a compact unit for high demands that exceeds the requirements of IP66/IP67 and NEMA 6. Available with stainless steel housings, these rotary encoders are ideal for tough ambient conditions that require excellent resistance to high-pressure cleaners and corrosive chemicals. Large-sized bearings are designed to withstand high axial and radial forces up to 440 N. The HD20 series of rotary encoders also includes intrinsically safe ATEX variants for use in potentially explosive atmospheres.