PT Provider PTS Bulgaria invites you to take part in proficiency testing scheme № 26/03-C-1 by means of an interlaboratory comparison.
The PT scheme is in accordance with ISO/IEC 17043:2023 and includes the laboratory activity “Calibration” of Digital Hygrometer.
The PT item and the measured quantity are under the scope of accreditation of PT Provider PTS Bulgaria at PTS Bulgaria Ltd.
The submission period is until 31 March 2026.
⚠️For applications submitted in PDF format: The application date will be deemed as the date on which the completed form is received at the e-mail address specified in the document.
⚠️For applications submitted via the electronic form on the website: The application date will be deemed as the date of receipt of the automatic e-mail containing the information you have provided.
Further details are available in the PT Plan and the Invitation for Proficiency Testing in the “Documents for participation” section.
ITEM OF THE PROFICIENCY TESTING
DIGITAL HYGROMETER
CALIBRATION
| Calibration Item | Calibration Points | Measured value |
|---|---|---|
| Digital hygrometer ETI Ltd Therma 6102, equipped with an external probe for measuring relative humidity. Serial number: D18050220; Sensor measuring range: 0 %RH – 100 %RH; Resolution: 0.1 %RH; | 10 %RH 20 %RH 30 %RH 50 %RH 70 %RH 90 %RH |
Air relative humidity |
Calibration is based on the principle of direct comparison between the indication of the PT item and the reference value of relative humidity realized by the reference equipment of the participating laboratory. Calibration shall be performed according to the participant laboratory’s established procedure for calibration of hygrometers. Measurements shall be performed at a temperature within the range (20 to 25) °C