Contrast sensors
KTM Prime

Your Benefits

  • Small housing allows installation even where space is limited
  • Powerful, fast contrast sensor ensures high machine throughput
  • Three-color LED technology allows a reliable process, with contrast marks detected even in conditions with weak contrast ratios
  • Good contrast resolution and a very large dynamic range ensure good detection performance on glossy materials, thus increasing the range of application possibilities
  • Various teach-in methods enable more flexible commissioning
  • Long service life, even in harsh environments, thanks to stainless steel housing; as a result, excellent system throughput and low spare parts costs
  • Enhanced diagnostics and visualization of sensor parameters, as well as quick and easy format changes, since parameter settings can be downloaded via IO-Link


Top performance for universal, space-saving use in the packaging industry even under harsh conditions: The new KTM prime contrast sensor from SICK features a high grayscale resolution and is integrated into a small, tried-and-tested housing that is also available in stainless steel. The optimized OES4 ASIC technology and a response time of 35 µs ensure reliable and accurate detection of contrast marks, even on glossy materials. The various teach-in methods (dynamic, static, and switching threshold near the marks) ensure greater flexibility during commissioning. The integrated IO-Link interface can be used to access the parameter settings. This speeds up and simplifies format changes. The KTM reliably detects marks even in conditions with weak contrast ratios and is therefore ideal for use in a wide range of applications; in the stainless steel version, it can even be used in harsh environments during intensive cleaning.

At a glance
  • Small, tried-and-tested housing, also available in stainless steel
  • High grayscale resolution
  • Very large dynamic range means reliable detection of contrasts on glossy materials
  • Static and dynamic teach-in in one variant
  • Switching frequency: 15 kHz
  • KTM Prime with IO-LInk functions


KTS and KTX - The next generation of contrast sensors

Click here for more information:

KTX Prime

KTS Prime

KTS Core


Technical overview

  • Technical data overview

    Technical data overview

    Dimensions (W x H x D)

    15.25 mm x 48.6 mm x 22.2 mm

    12 mm x 31.5 mm x 21 mm

    Sensing distance11 mm / 12.5 mm
    Type of light

    LED 1)

    LED 1)

    Light spot size

    1.5 mm x 6.5 mm

    Ø 2 mm (12.5 mm)

    Switching frequency15 kHz 2)
    Response time

    35 µs 3)

    32 µs 3)

    Switching output




    2-point teach-in static/dynamic + proximity to mark

    ET: Teach-in dynamic

    ET: Teach-in static + proximity to mark

    ET: dynamic Teach-in: Q-Signal switches during teach-in

    ET: Teach-in static

    Connection type

    Cable with M12 male connector, 4-pin
    0.2 m

    Male connector M8, 4-pin

    Cable with M8 male connector, 4-pin
    0.2 m

    Cable open end, 4-wire
    2 m

    Communication interface



    • 1) Average service life: 100,000 h at TU = +25 °C.
    • 2) With light/dark ratio 1:1.
    • 3) Signal transit time with resistive load.
All technical data can be found accompanying the individual product