I.Bayani

Ana amfani da ma'aunin zafin jiki na Platinum Standard Resistance don diyya a cikin matsakaicin zafin jiki na 13.8033k—961.8°C, kuma ana amfani da shi azaman mizani yayin gwada nau'ikan ma'aunin zafi da zafi masu inganci. A cikin yankin zafin da ke sama, ana amfani da shi kai tsaye don auna zafin jiki mai inganci.

Ma'aunin zafin jiki na Platinum Resistance The Standard yana auna zafin jiki bisa ga canjin yanayin zafin jiki na platinum.

Bisa ga ƙa'idodin ITS90, T₉₀Ana bayyana shi ta hanyar ma'aunin zafi na platinum lokacin da maki uku (13.8033K) na ma'aunin nitrogen ya kai ga kewayon zafin jiki na wurin daskarewar azurfa. Ana yin lissafinsa ta amfani da rukunin wurin daskarewa da aikin tunani da ake buƙata da kuma aikin karkacewa na haɗin zafin jiki.

An raba yankin zafin da ke sama zuwa da dama kuma an yanke shawarar yin aiki akai-akai a cikin yankin ƙananan zafin jiki ta hanyar nau'ikan tsarin ma'aunin zafi daban-daban.

Duba cikakkun bayanai na ma'aunin zafi a cikin teburin da ke ƙasa:

Lura: Rtp na ma'aunin zafi da sanyi na sama shine 25±1.0Ω. Diamita na waje na bututun quartz shine φ7±0.6mm. Masana'antarmu kuma tana ƙera ma'aunin zafi na platinum tare da yankin zafin jiki na 83.8058K ~ 660.323℃ a matsayin kayan aiki na yau da kullun na aiki.

II.Bayanin Amfani

1. Kafin amfani, da farko, duba lambar ma'aunin zafi don ya yi daidai da takardar shaidar gwaji.

2. Lokacin amfani, bisa ga tambarin ma'aunin zafi na tashar waya ta ma'aunin zafi, haɗa wayar daidai. An haɗa ma'aunin ja da tashar mai kyau ta yanzu; ma'aunin jan waya, zuwa tashar mara kyau ta yanzu; da ma'aunin baƙar waya, zuwa tashar mai kyau ta yiwu; ma'aunin wayar kore, zuwa tashar mara kyau ta yiwu.

Ga yadda ma'aunin zafi na thermometer yake:

3. Ya kamata wutar lantarki ta zama 1MA bisa ga ma'aunin sashin zafin jiki na ma'aunin zafi.

4. Domin daidaita na'urar auna zafin jiki ta lantarki ta ma'aunin zafi, ya kamata a yi amfani da ƙarfin juriya mai ƙarancin juriya na aji 1 da juriyar na'urar auna zafin jiki ta aji 0.1 ko kuma madaidaicin gadar zafin jiki da kayan haɗi. Ya kamata a tabbatar da cewa cikakken saitin na'urar auna wutar lantarki yana da ƙarfin ganewa don bambanta canjin Ohm guda dubu goma.

5. A lokacin amfani, adanawa da jigilar kaya, yi ƙoƙarin guje wa girgizar injina mai tsanani ta ma'aunin zafi.

6. Lokacin amfani da ma'aunin zafi na Platinum Resistance Thermometer na aji na farko don gwada zafin jiki na ma'aunin zafi na Platinum Resistance Thermometer na aji na biyu, ya kamata ya bi hanyoyin tabbatarwa da Hukumar Kula da Ma'auni ta Ƙasa ta amince da su.

7. Ya kamata a yi gwajin ma'aunin zafi na yau da kullun bisa ga hanyoyin tabbatarwa da ƙa'idodi masu dacewa.