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Comet products include traceable calibration certificates from Comet System, s.r.o. Calibration certificate is included in price of the product.

Comet System, s.r.o. is not an accredited calibration laboratory. Metrology of Comet is certified as a part of quality management system in accordance with ISO 9001:2000.

Calibration certificate results from requirements of EN ISO/IEC 17025 standard.
Metrological traceability of Comet etalons is declared in calibration certificate - identification of etalon, its validity and information on metrological traceability.

Copies of calibration certificates of Comet etalons are available as a paid service.

Calibration of temperature is performed by default at one point - at +23°C.
Calibration of humidity is performed by default at one point - at 50% RH.
Calibration of barometric pressure is performed in most cases at two points. At ambient pressure and at decreased pressure near lower limit of the measuring range (800 respective 750 hPa). Barometers T2xxx are calibrated at three points.
Calibration of electrical values - current, voltage, resistance is performed at several points (3 to 5) sufficiently covering measuring range of the instrument.

Examples of calibration certificates: