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We love technological challenges.
Measuring systems for precise and reliable optical temperature measurement.

  • Our know-how
  • Areas of application
  • KELLER ITS - Pyrometers

We are experts for precise non-contact temperature measurement

For over half a century, we have been developing, producing and selling precision measuring instruments and system solutions for non-contact and wear-free temperature measurements for use in different branches of industry. These include the steel industry, foundries, and the glass, cement, ceramic and chemical industries. We are continuously developing our systems, and we are proud to rank among the leading providers of pyrometers and infrared thermometers worldwide. Our pyrometers cover a temperature range from-30 °C up to +3500 °C.

Our product portfolio for non-contact temperature measurements

Our broad product portfolio includes stationary and portable pyrometers, infrared temperature switches, complete solutions for customer-specific tasks, applications and application-oriented software and accessories. We regularly share our know-how with the needs of our customers, thus creating further product developments.
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