PR1231/PR1232 Platinum nkịtị-10% Rhodium/Platium Thermocouple
PR1231/PR1232 Platinum nkịtị-10% Rhodium/Platium Thermocouple
Nchịkọta nke Akụkụ nke 1
Ọkwa mbụ na nke abụọ nke platinum-iridium 10-platinum thermocouples nke nwere ezigbo ihe onwunwe anụ ahụ na kemịkalụ dị mma, ezigbo iguzogide oxidation na okpomọkụ dị elu, ezigbo nkwụsi ike na mmegharị nke ike thermoelectromotive. Ya mere, a na-eji ya dị ka ngwa nha ọkọlọtọ na (419.527~1084.62) °C, a na-ejikwa ya iji zipu oke okpomọkụ na nha okpomọkụ ziri ezi na oke okpomọkụ.
| Ndekọ paramita | Platinum-iridium nke klas mbụ, thermocouples 10-platinum | Ọkwa nke abụọ nke platinum-iridium thermocouples 10-platinum |
| Ihe dị mma na ihe na-adịghị mma | Ihe dị mma bụ alloy platinum-rhodium (platinum 90% rhodium 10%), ihe na-adịghị mma bụ platinum dị ọcha | |
| elektrọd | Dayameta nke elektrọd abụọ bụ 0.5-0.015ogologo mm abụghị ihe na-erughị 1000mm | |
| Ihe achọrọ maka ike eletriki okpomọkụ. Okpomọkụ njikọ nha dị na isi Cu (1084.62℃) isi Al (660.323℃) isi Zn (419.527℃) yana okpomọkụ njikọ ntụaka bụ 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 | |
| Nkwụsi ike nke ike Thermo-electromotive | 3μV | 5μV |
| Mgbanwe kwa afọ Ike thermo-electromotive na Cu point (1084.62℃) | ≦5μV | ≦10μV |
| Oke okpomọkụ ọrụ | 300~1100℃ | |
| Aka uwe mkpuchi | Ọkpọkọ poselin ma ọ bụ ọkpọkọ corundum nwere oghere abụọ Dayameta mpụta (3~4)mm, dayameta oghere (0.8~1.0)mm, ogologo (500~550)mm | |
Igwe thermocouples platinum-iridium 10-platinum ọkọlọtọ ga-adị ka tebụl sistemụ nnyefe mba si dị, A ga-etinyerịrị usoro nkwenye mba. Enwere ike iji thermocouples platinum-iridium 10-platinum ọkọlọtọ nke ọkwa mbụ tụọ thermocouples klas nke abụọ, ọkwa nke abụọ, ọkwa nke anọ platinum-iridium 10-platinum thermocouples na ọkwa nke anọ thermocouples ígwè ntọala; Enwere ike iji thermocouples platinum-iridium 10-platinum naanị tụọ thermocouples ígwè ntọala ọkwa nke abụọ
| Koodu nkwenye mba | Aha nkwenye mba |
| JJG75-1995 | Nkọwapụta nhazi thermocouples platinum-iridium nke platinum 10-platinum |
| JJG141-2013 | Nkọwapụta nhazi thermocouples metal dị oké ọnụ ahịa na-arụ ọrụ |
| JJF1637-2017 | nkọwapụta nhazi thermocouple nke ígwè isi |
Nkebi nke 4 Nlekọta na nchekwa
1. Oge nhazi thermocouple ọkọlọtọ bụ otu afọ, kwa afọ, ngalaba metrology ga-ahazi thermocouple ọkọlọtọ ahụ.
2. Ekwesịrị ime nhazi nlekọta dị mkpa dịka ojiji si dị.
3. Ebe ọrụ nke thermocouple ọkọlọtọ kwesịrị ịdị ọcha iji zere mmetọ nke thermocouple ọkọlọtọ.
4. A ga-etinye thermocouple ọkọlọtọ n'ọnọdụ na-anaghị emerụ emerụ ma chebe ya pụọ na nrụgide igwe.
Nkebi nke 5 Ihe ndị a na-eme mgbe ejiri ya
1. Agaghị eji tube mkpuchi ahụ eme ihe n'oge a na-asa ya n'ọkụ dị elu. A na-eji tube mkpuchi mbụ ahụ eme ihe mgbe e sachara ya nke ọma ma sie ya n'ọkụ dị elu.
2. Tubọọlụ mkpuchi ahụ anaghị eleghara ihe dị mma na ihe na-adịghị mma anya, nke ga-eme ka ogidi platinum merụọ ahụ ma belata uru ike thermoelectric.
3. N'ụzọ na-adịghị mma, ọkpọkọ mkpuchi thermocouple ọkọlọtọ nwere waya dị ọnụ ala ga-emerụ thermocouple ọkọlọtọ, a ga-ejikwa ọkpọkọ ígwè nchebe ahụ maka nkwenye nke thermocouple ígwè ntọala.
4. Enweghị ike itinye thermocouple ọkọlọtọ na mberede n'ime ọkụ na-achịkwa okpomọkụ, a gaghịkwa ewepụ ya na ọkụ na-achịkwa okpomọkụ. Okpomọkụ na oyi mberede ga-emetụta arụmọrụ thermoelectric.
5. N'ọnọdụ nkịtị, a ga-amata ọkụ nkwenye maka thermocouple ígwè dị oké ọnụ ahịa na thermocouple ígwè dị n'okpuru ya nke ọma; ọ bụrụ na ọ gaghị ekwe omume, a ga-etinye tube seramiiki dị ọcha ma ọ bụ tube corundum (dayameta ihe dị ka 15mm) na tube ọkụ iji chebe thermocouples ígwè dị oké ọnụ ahịa na thermocouples ọkọlọtọ site na mmetọ thermocouple ígwè dị n'okpuru.
