About QTI Sensing Solutions

About QTI Sensing Solutions

QTI Sensing Solutions is a privately-held manufacturer of temperature sensors and assemblies.  Founded in 1977, we have grown to be the trusted supplier of temperature sensing solutions for many world leaders in equipment manufacturing.  Our products can be found in a wide variety of applications, from medical catheters to industrial refrigeration equipment to the Curiosity Mars rover.


Why Choose QTI's Temperature Sensors?

  • We are the experts in thermistor manufacturing.
  • We test 100% for accuracy.
  • We care about the details.
  • We provide design assistance.
  • We manufacture in the USA.



QTI News and Events

News and Events

DMSP Satellite Carries QTI Sensing Solutions Thermistors to Space
A sophisticated U.S. Air Force weather satellite built by Lockheed Martin is the latest satellite to carry QTI aerospace-qualified thermistors into orbit.  Learn more.

New white paper: Beta and Steinhart-Hart Equations Explained
QTI Engineering compares the two equations typically used to interpolate the resistance vs. temperature characteristic of NTC thermistors: the Beta Equation and the Steinhart-Hart Equation.  Read the white paper.