Current research projects

Image Micro fluidic expansion valve
Image Brine (water)-water heat pump
Image Software for test rigs
Image Solar Cooling
Image Testing of mobile leak detectors according to DIN EN 14624
Image Corrosion inhibitor for ammonia absorption systems
Image Air-flow test rig for fan characteristic measurement
Image Helium extraction from natural gas
Image 3D - Air flow sensor
Image Reducing the filling quantity
Image Verification of storage suitability of cryo tubes
Image Software modules
Image Investigation according to DIN EN ISO 14903
Image Innovative cryogenic cooling system for the recondensation / liquefaction of technical gases up to 77 K
Image In-Situ-Swelling Behaviour of Polymer Materials in Flammable Fluids
Image Optimizing HVAC operation with machine learning

You are here:  Home /  Research and Development


Calibration of Low Temperature Sensors

Industry and R&D

Dr. rer. nat. Matthias Schneider

+49-351-4081-5126

According to the comparative measurement method

Accurate and reliable measurements are the requirements for high-quality research and development or industrial production. Using the comparative measurement method the following sensors can be calibrated:

  • Resistance Temperature Detectors (RTD) with positive temperature coefficient (like Platinum or Rhodium-Iron RTDs)
  • RTD with negative temperature coefficient (like Germanium or Cernox™ RTDs)
  • Diode and thermocouples.

With an automatic measuring station several temperatures according to a sample point table will be adjusted. The calibration is carried out with secondary thermometers that are calibrated by an authority. Furthermore a fix point check with LHe or LN2 will be performed. In addition, a calbriated Cernox sensor is available for measurements in the low temperature range. The measuring facility allows the calibration of about 30 sensors at once. There are continuous extensions for different sensor types.

Parameter

IndicatorMinimalMaximal
Measuring range1.5 K350 K
Measuring accuracy5 mK (1.5 ... 4.2 K)50 mK (80 ... 350 K)
Sample dimensioncommon sensor packages
Sample preparationnot necessary

Your Request

Further Projects - Research and Development

Image

Characterisation of Superconductors in Hydrogen Atmosphere

Are superconductors really compatible with hydrogen?

Image

Corrosion inhibitor for ammonia absorption systems

An alternative to chromium(VI) compounds

Image

Development of a Cryogenic Magnetic Air Separation Unit

Oxygen Enrichment by Applied Cryogenic Magnetohydrodynamics

Image

Brine (water)-water heat pump

Test according DIN EN 14511 and 14825