We created our calibration laboratory in 1995 and immediately had it accredited by BELAC in order to offer our customers quality services independently.
Thermibel has been manufacturing temperature sensors since 1981 and has acquired recognised know-how in this domain. Numerous quality references require manufacturers and laboratories to have measuring and testing equipment validated. Thermibel will help you fulfil these requirements. Our BELAC temperature accredited laboratory can perform these calibrations in the laboratory or on site. This accreditation, obtained in 1996, is recognition of the competence of the personnel, means and methods implemented. Our on-site calibration is also performed in full compliance with aeronautical standard AMS2750 (latest version).

Our laboratory services

Calibration by comparison of temperature probes from – 100 to +1300°C

Calibration by electrical simulation of indicators and temperature simulators

Calibration at fixed points (best levels of uncertainty): Triple point H2O, Ga, Zn, …

Other prestations

Other BELAC Non Accredited services can be carried out in the laboratory by our accredited technicians in accordance with 17025 quality standard:

  • Calibration in a climatic condition reproducer compared with a standard. The instruments concerned are: humidity indicator, thermo-humidity indicators,
    thermohygrographs and humidity transmitters.
  • Pressure gauge calibration
  • On-site calibration

Our technicians visit your site to calibrate the temperature and pressure sensors and also simulate the complete chain of your manufacturing process.

Characterisation and check of your climatic chambers

Our technicians perform characterisations of your thermostatic chambers (temperature) or climatic chambers (temperature and hygrometry). This
characterisation ensures that your means are appropriate for your requirements. This service is provided by measuring the parameters by placing sensors in
your installation (temperature, hygrometry, anemometry, pressure, etc.). Different references can be applied: NFX 15-140, AMS 2750 (latest version), FDV 08-601, NF EN 60068,
L06-450. The services provided in this regard are:

  • Calibration of the probe associated with the chamber regulator.
  • Measurement of temperature increase time and hygrometry.
  • The measurement of the accuracy, stability and homogeneity of the chamber at different temperature and hygrometry set points.

The number of calibrated sensors put in place is proportional to the useful volume of the chamber.


Metrology training courses :

Our laboratory technicians’ offer their experience and qualifications in the form of metrology training courses. These theoretical and practical courses deal
specifically with the calibration of temperature sensors, the calculation of process measurement inaccuracy and climatic condition reproducer characterisation.
The courses are tailored to suit your requirements.

Stress computation in accordance with the PTC 19.3 TW-latest version

When a thermowell is immersed in a fluid, the resulting eddies generate a vibration frequency which, if is close to the natural frequency of the thermowell, may
make the latter resonate and in time cause its destruction.
A performance test criterion exists and is described by ASME PTC 19.3 (latest version). The Thermibel laboratory has developed software for calculating the frequency and
compliance or otherwise of the thermowell in accordance with your conditions of use.

Calibration of optical pyrometers

Thermibel offers a calibration service for contact free infrared temperature measuring devices or optical pyrometers. The temperature domain ranges
from +40°C to +400°C. This calibration will make it possible to verify the functionality of the pyrometer and a verification certificate can be issued for this
calibrated pyrometer if the Maximum Permissible Errors are defined.

Our certificates

Thermibel has ISO9001, ISO17025 and ATEX certifications. Because quality is at the heart of our business.

Conversions Temperature/Electromotive force - Temperature/Resistance

Electromotive force

Input a value in one of the field below to convert it in the other unity : Standard CEI584-2, DIN EN 60584.1, BS EN 60584.1, ANSI/MC96.1, JISC 1602



Input a value in one of the field below to convert it in the other unity :


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ATEX-compliant temperature sensor for pipe temperatures

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Thermibel celebrates 20 years of collaboration with Beamex! Thermibel is the exclusive distributor of the Beamex brand in Belgium.


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