Thermometer Nguzogide Platinum Standard
Thermometer Nguzogide Platinum Standard
I.Nkọwa
A na-eji Thermometer Nguzogide Platinum Standard eme ihe maka ịkwụ ụgwọ na oke okpomọkụ ọkọlọtọ nke 13.8033k—961.8°C, a na-ejikwa ya dị ka ọkọlọtọ mgbe a na-anwale ọtụtụ temometer ọkọlọtọ na temometers dị elu. N'ime mpaghara okpomọkụ dị n'elu, a na-ejikwa ya kpọmkwem maka ịtụ okpomọkụ nke ziri ezi dị elu.
Thermometer nke Platinum Resistance Standard na-atụ okpomọkụ dịka mgbanwe okpomọkụ nke platinum si dị.
Dịka iwu nke ITS90 si dị, T90A na-akọwa ya site na temometa platinum mgbe isi ihe atọ (13.8033K) nke nguzozi nitrogen ruru oke okpomọkụ nke isi ihe oyi ọlaọcha. A na-ahazi ya site na iji otu nke isi ihe oyi akọwapụtara na ọrụ ntụaka yana ọrụ nkewa nke njikọ okpomọkụ.
A na-ekewa mpaghara okpomọkụ dị n'elu ụzọ dị iche iche ma kpebie ịrụ ọrụ nke ọma n'ime mpaghara okpomọkụ dị ala site na ụdị nhazi dị iche iche nke temometa.
Lee ihe ndị a na-akpọ temometa ndị a na tebụl dị n'okpuru:
| Ụdị | Nhazi ọkwa | Mpaghara Okpomọkụ Dabara Adaba | Ogologo ọrụ (mm) | Okpomọkụ |
| WZPB-1 | I | 0~419.527℃ | 470±10 | Ọkara |
| WZPB-1 | I | -189.3442℃~419.527℃ | 470±10 | Jupụtara |
| WZPB-2 | II | 0~419.527℃ | 470±10 | Ọkara |
| WZPB-2 | II | -189.3442℃~419.527℃ | 470±10 | Jupụtara |
| WZPB-7 | I | 0~660.323℃ | 510±10 | Ọkara |
| WZPB-8 | II | 0~660.323℃ | 510±10 | Ọkara |
Rịba ama: Rtp nke temometa ndị dị n'elu bụ 25±1.0Ω. Dayameta mpụta nke tube quartz bụ φ7±0.6mm. Ụlọ ọrụ anyị na-arụpụtakwa temometa platinum nke nwere mpaghara okpomọkụ nke 83.8058K ~ 660.323℃ dị ka ngwaọrụ ọkọlọtọ na-arụ ọrụ.
II.Ozi Ojiji
1. Tupu i jiri ya, buru ụzọ lelee nọmba temometa ahụ ka o kwekọọ na asambodo nnwale ahụ.
2. Mgbe ị na-eji ya, dịka akara ngosi nke ọdụ waya temometa si dị, jikọọ waya ahụ nke ọma. A na-ejikọ ọdụ waya uhie ahụ na ọdụ dị mma ugbu a; ọdụ waya odo odo ahụ, na ọdụ waya na-adịghị mma ugbu a; na ọdụ waya ojii ahụ, na ọdụ nwere ike ịdị mma; ọdụ waya akwụkwọ ndụ akwụkwọ ndụ ahụ, na ọdụ nwere ike ịdị mma.
Ihe atụ nke nhazi nke thermometer dị n'okpuru ebe a:
3. Ọkụ kwesịrị ịbụ 1MA dịka nha nke akụkụ okpomọkụ nke temometa ahụ si dị.
4. Iji mee ka ngwaọrụ nha eletriki nke temometa maka nha okpomọkụ dakọtara, a ga-eji obere ike iguzogide nke ọkwa 1 na nguzogide coil ọkọlọtọ nke ọkwa 0.1 ma ọ bụ akwa okpomọkụ kpọmkwem yana ihe ndị ọzọ. Ekwesịrị ijide n'aka na ngwaọrụ nha eletriki zuru oke nwere mmetụta iji mata mgbanwe nke otu puku Ohm iri.
5. N'oge ojiji, nchekwa na njem, gbalịa izere oke mkpọtụ mekaniki nke temometa ahụ.
6. Mgbe ị na-eji Thermometer Standard Platinum Resistance nke klas mbụ iji nwalee okpomọkụ nke Standard Platinum Resistance Thermometer nke klas nke abụọ, ị kwesịrị ịgbaso usoro nkwenye nke National Measurement Bureau kwadoro.
7. A ga-eme nnwale temometa ahụ mgbe niile nke ọma dịka usoro na ụkpụrụ nkwenye dị mkpa si dị.
