Our Calibration Services


Calibrated instruments

  • All types of portable, wall, analog, recorders and digital hygrometers
  • Mechanical or electronic recorders (both hygrographs and hygro-thermographs), transmitters in a closed room with controlled atmosphere
  • Dewpointer® dew point indicators from Alnor
  • Loggers from KIMO, ACR, MADGETECH and DICKSON or any other make

Our standards

Certified unsaturated water, water and lithium chloride solutions to calibrate digital hygrometers and transmitters with 12, 15 or 25 mm diameter probes. These solutions are referenced by experimental comparison and the values are published by N.I.S.T., and they come with a certificate indicating their uncertainty.

Novasina's salt/liquid solutions, accurate to 0,3% RH.

Two controlled humidity chambers, referenced to a certified Rotronic Hygroflex 3 high accuracy humidity transmitter used for all non-standard type of analog indicators, recorders,  digital hygrometers and transmitters with diameters different from what is listed above.

Accuracy of our chambers: ± (0.5% of reading ± 1.5% RH).

For accuracy in temperature, see TEMPERATURE sector.

We calibrate all known marks: KIMO, ACR, DWYER, HANNA, NOVASINA, ROTRONIC, VAISALA, FISHER, COLE PARMER and others.


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