KazStandard Primary Dew/Frost Point Generator
Zhumagali A. Akimzhanov T. Zhumagali R. Smagulov S. Baihozhaeva B.
1 August 2025Sciendo
Measurement Science Review
2025#25Issue 4172 - 177 pp.
This article presents studies on the dew point/frost temperature generator using the single-pressure (1-P) and single-temperature (1-T) method first developed by KazStandard to improve the calibration accuracy of dew point hygrometers. The method of applying the dew point temperature scale is based on the supply of humid air with high instability through a thermostatic saturator, which enables increased measurement accuracy. The characteristics include a study of the saturators efficiency, the stability of the dew point temperature reproduction and a comparison with a calibrated dew point hygrometer. The study was conducted in the dew point temperature range from -50°C to 20°C, and the sources of measurement uncertainty were analyzed.
dew point temperature , humidity generator , measurements , saturator , standards , uncertainty
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Kazakhstan Institute of Standardization and Metrology, Mangilik El Avenue 11, Astana, 010000, Kazakhstan
Tomsk Polytechnic University, Lenina Avenue 30, Tomsk, 634050, Russian Federation
S. Seifullin Kazakh Agro Technical Research University, Zhenis Avenue 62, Astana, 010011, Kazakhstan
NIU MIET, Shokina Square 1, Zelenograd, 124498, Russian Federation
L.N. Gumilyov Eurasian National University, Satpayeva Street 2, Astana, 010008, Kazakhstan
Kazakhstan Institute of Standardization and Metrology
Tomsk Polytechnic University
S. Seifullin Kazakh Agro Technical Research University
NIU MIET
L.N. Gumilyov Eurasian National University
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