Speedy calibration for temperature sensors
A
Sira product story
Edited by the Engineeringtalk editorial team
Jun 5, 2003
Continual investment in calibration systems and equipment retains Sira's position as the number one provider of process-related calibration services.
Continual investment in calibration systems and equipment retains Sira's position as the number one provider of process-related calibration services.
Sira Test and Certification has further automated its temperature calibration laboratory, which is based at Sira's Chislehurst headquarters.
These increased levels of automation, along with a recent expansion in the range of calibration baths, has led to an improved throughput capability and hence faster turnaround times - even for work received on an ad-hoc basis.
For customers requiring very rapid turnaround times Sira also offers an advanced booking service.
Sira has continued to develop its in-house software to monitor calibration bath gradients and fluctuations as well as establishing the point at which satisfactory equilibration of the instrument under test has occurred.
Like all other Sira calibration offerings, temperature measurement services are UKAS accredited and cover a broad range of electrical and mechanical instrumentation, including platinum resistance and liquid-in-glass thermometers, thermocouples and thermocouple systems, temperature indicators and dry block calibrators.
Each instrument calibrated by the Sira's laboratory receives the UKAS certificate stating the ITS-90 temperature, as well as the instrument indication (or output) and the appropriate measurement uncertainties.
The laboratory covers temperature calibration in the range 80 to 1300C.
Uncertainties vary depending on the instrument under calibration, the method used and the calibration temperature.
Typically for the best equipment, the uncertainty will be 0.05C.
However, values can be as low as 0.012C at the triple point of water and will exceed 2C for thermocouples at 1300C.
In addition to temperature measurement services, Sira also offers a wide range of instrument calibration facilities.
As well as ad-hoc work Sira can offer a complete instrument management service for those companies with an extensive range of instruments.
A broad range of training courses in calibration is also available.
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