Temat: temperature probe - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Development of multiple velocity and temperature probe sets for ventilated spaces
Autorzy:: Alimardani, R.
Hoff, S.J.
Powiązania:: https://bibliotekanauki.pl/articles/24933.pdf
Data publikacji:: 2005
Wydawca:: Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:: temperature measurement
temperature
ventilation
probe
development
thermistor
velocity
Źródło:: International Agrophysics; 2005, 19, 1
0236-8722
Pojawia się w:: International Agrophysics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Gas temperature meter
Autorzy:: Zashchepkina, N. M.
Svyta, M. P.
Powiązania:: https://bibliotekanauki.pl/articles/2105505.pdf
Data publikacji:: 2022
Wydawca:: Stowarzyszenie Komputerowej Nauki o Materiałach i Inżynierii Powierzchni w Gliwicach
Tematy:: meter
temperature
PT100
thermal converter
sensor
probe
miernik
temperatura
przetwornik termiczny
czujnik
sonda
Opis:: Purpose: of the article is to develop a digital portable gas temperature meter in the range of -50…+600°C. To measure the temperature of dusty gas flows in the air pollution sources with the least significant digit of the digital device 1°C. Design/methodology/approach: The microprocessor measuring unit, probe and software is proposed. It leads to build a high-precision temperature meter based on a thin film sensor HM220 type "pt100". Findings: The calculation of the electrical schematic diagram parameters for signal conditioning of the sensor relative to the input range of the analog-to-digital converter. The experimental measuring unit and the probe of the gas temperature meter are assembled. The principle of the gas temperature meter calibration with the help of a precision resistance box MSR-60M is considered. The experimental gas temperature meter has a total standard uncertainty determined by type B for a maximum value of the measurement range of 1.94°C. The error of the sensor "pt100" makes the largest contribution to the total standard uncertainty, so the error increases in proportion to the value of the measured temperature. Research limitations/implications: On the basis of the proposed design of gas temperature meter it is possible to construct devices with various lengths of probes. Practical implications: The proposed meter is designed for environmental laboratories that measure the velocity, flow and sampling of dust and gas emissions from sources of air pollution. Originality/value: The device design differs due to the use of thermostable wire made of constantan as extending conductors of the temperature sensor, which is included in the unbalanced Wheatstone bridge. This solution allows the use of unipolar power supply 3.3 V for both analog and digital part of the meter. Temperature meter based on a thin film resistance thermometer is characterized by relative ease of manufacture, low material consumption, cost and high reliability.
Źródło:: Journal of Achievements in Materials and Manufacturing Engineering; 2022, 111, 1; 33--41
1734-8412
Pojawia się w:: Journal of Achievements in Materials and Manufacturing Engineering
Dostawca treści:: Biblioteka Nauki

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