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

NASA Releases New QPLD for the S-311-P-18 Series
NASA has released a new Qualified Parts List Directory (QPLD) for S-311-P-18 aerospace-qualified thermistors.   Find the updated document here.

Staley Named President of QTI Sensing Solutions
John Staley has been named President of QTI.  Read the full announcement here.

QTI's Sensors On Board Historic Orion Spaceflight
The Orion spacecraft carried a number of QTI thermistors and RTDs to space and back.   See which QTI temperature sensors were aboard.