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PicoTurn - The Successful Solution To Detect Turbo Speed

PicoTurn-2G System

With the ® product family, acam has established a popular and well-known series of rotational speed sensors for turbochargers. This product family demonstrates the wide range of applications covered by precision time measurements. ® represents a mature and cost effective measurement system for end users.


  • Measuring principle:
    Detecting the influence of metal on inductance parameters
  • Self-adjustment simplifies mounting
  • Comfortable spacing sensor-wheel
  • Suitable even for small compressor wheels (32 mm)
  • Rotational speeds up to 400.000 rpm
  • Digital and / or analog output


  • Easy to mount
  • No modification of rotating parts
  • Sensing directly the compressor wheel
  • High-temperature sensors up to 230 °C
  • Suitable for single stage and two stage systems
  • Attractive price
  • Compact


  • Turbo wheel speed measurement in:
    • Engine test stations
    • Test cars: passenger cars and commercial vehicles
    • auxiliary equipment
  • In general speed measurement for any rotating metal part

General Description

Section Drawing
Principled Application