PR1231/PR1232 Daidaitaccen Platinum-10% Rhodium/Platium Thermocouple
PR1231/PR1232 Daidaitaccen Platinum-10% Rhodium/Platium Thermocouple
Bayanin Kashi na 1
Tsarin thermocouples na platinum-iridium na aji na farko da na biyu waɗanda ke da daidaito mai kyau, kyawawan halaye na zahiri da sinadarai, juriya ga iskar shaka a yanayin zafi mai yawa, kwanciyar hankali mai kyau da kuma sake haifar da ƙarfin thermoelectromotive. Saboda haka, ana amfani da shi azaman kayan aiki na aunawa na yau da kullun a cikin (419.527~1084.62) °C, ana kuma amfani da shi don watsa girman zafin jiki da auna zafin jiki daidai a cikin kewayon zafin jiki.
| Ma'aunin siga | Ma'aunin zafi na platinum-iridium na aji na farko, wanda aka yi da ƙarfe 10 na platinum | Ma'aunin zafi na platinum-iridium na aji na biyu, wanda aka yi da ƙarfe 10 na platinum |
| Mai kyau da mara kyau | Tabbatacce shine ƙarfe na platinum-rhodium (platinum 90% rhodium 10%), korau shine tsantsar platinum | |
| lantarki | Diamita na electrodes guda biyu shine 0.5-0.015tsawon mm bai gaza 1000mm ba | |
| Bukatun ƙarfin lantarki na zafi. Zafin haɗin yana a wurin Cu (1084.62℃) Al (660.323℃) Zn (419.527℃) kuma zafin haɗin da aka ambata shine 0℃. | E(t)Cu)=10.575±0.015mVE(tAl)=5.860+0.37 [E(tCu)-10.575]±0.005mVE(tZn)=3.447+0.18 [E(tCu)－10.575]±0.005mV | |
| Kwanciyar hankali na ƙarfin Thermo-electromotive | 3μV | 5μV |
| Canjin shekara-shekara Ƙarfin thermo-electromotive a wurin Cu (1084.62℃) | ≦5μV | ≦10μV |
| Yanayin Zafin Aiki | 300~1100℃ | |
| Hannun riga mai rufi | Bututun porcelain ko bututun corundum rami biyu Diamita na waje (3~4)mm, diamita na rami (0.8~1.0)mm, tsayi (500~550)mm | |
Kashi na 3Umarnin Aikace-aikacen
Dole ne a yi amfani da daidaitattun ma'aunin platinum-iridium 10-platinum thermocouples na yau da kullun bisa ga jadawalin tsarin isar da kaya na ƙasa, Dole ne a aiwatar da hanyoyin tabbatarwa na ƙasa. Ana iya amfani da daidaitattun ma'aunin platinum-iridium 10-platinum thermocouples na aji na farko don auna ma'aunin ...
| Lambar tabbatarwa ta ƙasa | Sunan tabbatarwa na ƙasa |
| JJG75-1995 | Daidaitaccen daidaitaccen yanayin thermocouples na platinum-iridium 10-platinum |
| JJG141-2013 | Tsarin daidaitawa na thermocouples na ƙarfe masu daraja |
| JJF1637-2017 | ƙayyadaddun daidaiton thermocouple na ƙarfe na tushe |
1. Lokacin daidaita thermocouple na yau da kullun shine shekara 1, kuma kowace shekara dole ne a daidaita thermocouple ɗin ta hanyar sashen metrology.
2. Ya kamata a yi gyaran kulawa da ake buƙata bisa ga amfani.
3. Yanayin aiki na thermocouple na yau da kullun ya kamata ya kasance mai tsabta don guje wa gurɓatar thermocouple na yau da kullun.
4. Ya kamata a sanya ma'aunin thermocouple a cikin yanayin da ba ya gurɓata muhalli kuma a kare shi daga damuwa ta injiniya.
Kashi na 5: Gargaɗi lokacin amfani
1. Ba za a iya amfani da bututun rufi a lokacin gasawa a yanayin zafi mai zafi ba. Ana amfani da bututun rufi na asali bayan tsaftacewa mai tsanani da gasawa a yanayin zafi mai zafi.
2. Bututun rufin yana yin watsi da mai kyau da mara kyau, wanda zai sa sandar platinum ta gurɓata kuma ƙimar ƙarfin thermoelectric ta ragu.
3. Ba zato ba tsammani, bututun kariya na thermocouple na yau da kullun tare da waya mai arha zai gurɓata thermocouple na yau da kullun, kuma dole ne a yi amfani da bututun kariya na ƙarfe don tabbatar da thermocouple na ƙarfe na tushe.
4. Ba za a iya sanya thermocouple na yau da kullun ba zato ba tsammani a cikin tanderun da ke daidaita zafin jiki, kuma ba za a iya cire shi daga tanderun da ke daidaita zafin jiki ba. Zafi da sanyi kwatsam za su shafi aikin thermoelectric.
5. A yanayi na yau da kullun, ya kamata a bambanta tanderun tabbatarwa na thermocouple na ƙarfe mai daraja da thermocouple na ƙarfe mai tushe; idan ba zai yiwu ba, ya kamata a saka bututun yumbu mai tsabta ko bututun corundum (diamita kusan 15mm) a cikin bututun tanderun don kare ƙarfe mai daraja Thermocouples da thermocouples na yau da kullun daga gurɓataccen thermocouple na ƙarfe.
