PR1231/PR1232 Ọkọlọtọ Platinum-10% Rhodium/Platium Thermocouple
PR1231/PR1232 Ọkọlọtọ Platinum-10% Rhodium/Platium Thermocouple
Nlebanya akụkụ1
Nke mbụ na nke abụọ ọkwa platinum-iridium 10-platinum thermocouples nke nwere oke ziri ezi ezi anụ ahụ na kemịkalụ Njirimara, ezigbo oxidation iguzogide na elu okpomọkụ, ezi nkwụsi ike na reproducibility nke thermoelectromotive ike.Ya mere, a na-eji ya dị ka ọkọlọtọ ọkọlọtọ na (419.527 ~ 1084.62) Celsius C, a na-ejikwa ya na-ebufe oke okpomọkụ na nha okpomọkụ dị na oke okpomọkụ.
| Parameter index | Ọkwa mbụ platinum-iridium 10-platinum thermocouples | Ọkwa nke abụọ platinum-iridium 10-platinum thermocouples |
| Ezi na adịghị mma | Nke dị mma bụ platinum-rhodium alloy (platinum 90% rhodium 10%), adịghị mma bụ platinum dị ọcha. | |
| electrode | Dayameta nke electrodes abụọ bụ 0.5-0.015ogologo mm abụghị ihe na-erughị 1000mm | |
| Chọrọ nke thermal electromotive forceMeasure junction okpomọkụ dị na Cu point(1084.62 ℃) Al point(660.323℃) Zn point(419.527℃) na ntụaka junction okpomọkụ bụ 0℃ | E (tCu)=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 |
| Thermo-electromotive mgbanwe kwa afọ na Cu point (1084.62 ℃) | ≦5μV | ≦10μV |
| Oke okpomọkụ na-arụ ọrụ | 300 ~ 1100 ℃ | |
| Ihe mkpuchi mkpuchi | Ugboro abụọ oghere poselin tube ma ọ bụ corundum tubeOut dayameta (3 ~ 4) mm, oghere dayameta (0.8 ~ 1.0) mm, ogologo (500 ~ 550) mm | |
ọkọlọtọ platinum-iridium 10-platinum thermocouples ga-adịrịrị na tebụl nnyefe mba, a ga-emerịrị usoro nkwenye mba.Nke mbụ ọkọlọtọ platinum-iridium 10-platinum thermocouples nwere ike iji tụọ ọkwa nke abụọ,Ⅰ grade,Ⅱ ọkwa platinum-iridium 10-platinum thermocouples na Ⅰ grade base metal thermocouples;Ọkwa nke abụọ platinum-iridium 10-platinum thermocouples nwere ike iji tụọ Ⅱ grade base metal thermocouples.
| Koodu nkwenye obodo | Aha nkwenye obodo |
| JJG75-1995 | ọkọlọtọ platinum-iridium 10-platinum thermocouples calibration nkọwapụta |
| JJG141-2013 | Na-arụ ọrụ dị oké ọnụ ahịa metal thermocouples calibration nkọwapụta |
| JJF1637-2017 | isi metal thermocouple calibration nkọwapụta |
1. Ọkọlọtọ thermocouple calibration oge bụ 1 afọ, na kwa afọ ọkọlọtọ thermocouple ga- calibrated site metrology ngalaba.
2. Ekwesịrị ịme nhazi nlekọta nlekọta dị mkpa dịka ojiji si dị.
3. Ebe ọrụ nke ọkọlọtọ thermocouple kwesịrị ịdị ọcha iji zere mmetọ nke ọkọlọtọ thermocouple.
4. Ekwesịrị itinye thermocouple ọkọlọtọ n'ọnọdụ adịghị emetọ ma chebe ya pụọ na nrụgide ọrụ.
Akụkụ5 echekwabara mgbe ejiri ya
1. Enweghị ike iji tube mkpuchi mee ihe na ọkụ ọkụ dị elu.A na-eji tube mkpuchi mbụ eme ihe mgbe ihichachara nke ọma na ikpo ọkụ dị elu.
2. Igwe mkpuchi mkpuchi na-eleghara ihe dị mma na nke na-adịghị mma, nke ga-eme ka ọkpụkpụ platinum merụọ na uru nke thermoelectric nwere ike ibelata.
3. Na-akpaghị aka ọkọlọtọ thermocouple mkpuchi tube na ọnụ ala waya ga-emerụ ọkọlọtọ thermocouple, na-echebe metal tube ga-eji maka nkwenye nke isi metal thermocouple.
4. Enweghị ike itinye thermocouple ọkọlọtọ na mberede n'ime ọkụ na-achịkwa okpomọkụ, ma ọ bụ wepụ ya na ọkụ ọkụ na-achịkwa okpomọkụ.Okpomọkụ na mberede na oyi ga-emetụta arụmọrụ thermoelectric
5.Under nkịtị ọnọdụ, na nkwenye ọkụ maka oké ọnụ ahịa metal thermocouple na isi metal thermocouple kwesịrị nnọọ iche;Ọ bụrụ na ọ gaghị ekwe omume, a ga-etinye tube seramiiki dị ọcha ma ọ bụ tube corundum (dayameta ihe dị ka 15mm) n'ime ọkụ ọkụ maka ichebe metal Thermocouples na ọkọlọtọ thermocouples site na mmetọ ikuku nke metal thermocouple.
