Heerkulbeegga Microhm Taxanaha PR293
Xallinta saxda ah ee 7 1/2
Magdhawga kuleylka ee isku dhafan ee CJ
Kanaallo cabbir badan leh
Heerkulbeegyada microhm-ka taxanaha PR291 iyo heerkulbeegyada microhm-ka taxanaha PR293 ee nanovolt waa qalab cabbiraad sax ah oo si gaar ah loogu talagalay mitirka heerkulka. Waxay ku habboon yihiin hawlgallo badan, sida cabbiraadda xogta heerkulka ee dareemayaasha heerkulka ama xogta korantada, tijaabada isku mid ahaanshaha heerkulka ee foornooyinka ama qubeyska, iyo helitaanka iyo duubista calaamadaha heerkulka ee kanaallo badan.
Iyadoo xallinta cabbiraadda ay ka wanaagsan tahay 7 1/2, marka la barbar dhigo multimeter-ka dhijitaalka ah ee saxsan ee guud, kuwaas oo si weyn loogu isticmaalay mitirka heerkulka muddo dheer, waxaa jira naqshado badan oo la hagaajiyay marka loo eego baaxadda, shaqada, saxnaanta, iyo fududaynta isticmaalka si habka cabbiraadda heerkulka looga dhigo mid sax ah, ku habboon oo dhakhso badan.
Astaamaha
Xasaasiyadda cabbirka ee 10nV / 10μΩ
Naqshadeynta horumarsan ee cod-weyneeyaha buuqa aadka u hooseeya iyo qaybta korontada ee gariirta oo hooseysa ayaa si weyn u yareysa buuqa akhriska ee wareegga calaamadda, taasoo kordhinaysa xasaasiyadda akhriska ee 10nV/10uΩ, waxayna si wax ku ool ah u kordhinaysaa lambarrada bandhigga ee waxtarka leh inta lagu jiro cabbirka heerkulka.
Xasillooni sanadeed oo heer sare ah
Heerkulbeegyada taxanaha PR291/PR293, iyagoo qaadanaya mabda'a cabbirka saamiga iyo iska caabinta heerka tixraaca ee ku dhex jira, waxay leeyihiin isku-xidhka heerkulka oo aad u hooseeya iyo xasillooni sannadeed oo heer sare ah. Iyada oo aan la qaadan shaqada tixraaca heerkulka joogtada ah, xasilloonida sannadlaha ah ee taxanaha oo dhan weli way ka fiicnaan kartaa 7 1/2 multimeter-ka dijitaalka ah ee si caadi ah loo isticmaalo.
Iskaan-yaqaanka buuqa yar ee badan oo isku dhafan
Marka laga soo tago kanaalka hore, waxaa jira 2 ama 5 qaybood oo madax-bannaan oo ah terminaal tijaabo oo shaqo buuxda leh oo lagu dhex daray guddiga dambe iyadoo loo eegayo moodooyinka kala duwan ee heerkulbeegyada taxanaha PR291/PR293. Kanaal kastaa wuxuu si madax-bannaan u dejin karaa nooca calaamadda tijaabada, wuxuuna leeyahay isku-dheellitir aad u sarreeya oo u dhexeeya kanaallada, sidaa darteed helitaanka xogta kanaalka badan ayaa la samayn karaa iyada oo aan lahayn wax beddel ah oo dibadda ah. Intaa waxaa dheer, naqshadda buuqa hooseeya waxay hubineysaa in calaamadaha ku xiran kanaallada aysan keeni doonin buuq akhris oo dheeraad ah.
Magdhawga CJ-ga ee Sax ah
Xasilloonida iyo saxnaanta heerkulka CJ waxay door muhiim ah ka ciyaaraan cabbiraadda kuleyliyeyaasha saxsan ee sare. Mitirrada dhijitaalka ah ee saxnaanta sare leh ee badanaa la isticmaalo waxay u baahan yihiin in lagu daro qalabka magdhowga CJ ee gaarka ah si loo cabbiro kuleyliyeyaasha. Qaybta magdhowga CJ ee saxnaanta sare leh waxaa lagu dhex daray heerkulbeegyada taxanaha PR293, sidaa darteed qaladka CJ ee kanaalka la isticmaalay oo ka wanaagsan 0.15℃ iyada oo aan lahayn qalab kale ayaa la xaqiijin karaa.
Hawlaha mitirka heerkulka ee hodanka ah
Heerkulbeegyada taxanaha PR291/PR293 waa qalab tijaabo oo gaar ah oo loogu talagalay warshadaha mitirka heerkulka. Waxaa jira saddex qaab oo shaqo oo lagu helo, raadraaca hal-kanaal, iyo cabbirka farqiga heerkulka, kuwaas oo ay ka mid yihiin habka cabbirka farqiga heerkulka oo falanqeyn kara isku mid ahaanshaha heerkulka dhammaan noocyada qalabka heerkulka joogtada ah.
Marka la barbardhigo mitir-mitireedka dijitaalka ah ee dhaqameed, waxaa lagu daray kala duwanaansho 30mV ah oo si gaar ah loogu cabbiro kuleyliyaha nooca S iyo kala duwanaansho 400Ω ah oo loogu talagalay cabbirka iska caabbinta platinum-ka PT100. Iyada oo la adeegsanayo barnaamijyo beddelaad oo ku dhex jira dareemayaasha heerkulka kala duwan, noocyo kala duwan oo dareemayaal ah (sida kuleyliyaha caadiga ah, heerkulbeegyada iska caabbinta platinum-ka caadiga ah, heerkulbeegyada iska caabbinta platinum-ka warshadaha iyo kuleyliyaha shaqeeya) ayaa la taageeri karaa, xogta shahaadada ama xogta sixitaankana waxaa loo tixraaci karaa si loo raad raaco heerkulka natiijooyinka baaritaanka.
Shaqada falanqaynta xogta
Marka laga soo tago xog tijaabo oo kala duwan, qaloocyada iyo kaydinta xogta ayaa la soo bandhigi karaa, qiimaha ugu badan/ugu yar/celceliska xogta waqtiga-dhabta ah, tiro badan oo xog xasillooni heerkul ah ayaa la xisaabin karaa, xogta ugu badan iyo tan ugu yarna waa la calaamadayn karaa si loo fududeeyo falanqaynta xogta ee goobta tijaabada.
Naqshad la qaadi karo
Mitiryada dhijitaalka ah ee saxsan ee badanaa loo isticmaalo shaybaarrada badanaa waa kuwo waaweyn oo aan la qaadi karin. Taas bedelkeeda, heerkulbeegyada taxanaha PR291/PR293 waa kuwo ka yar mugga iyo miisaanka, taas oo ku habboon tijaabinta heerkulka heerka sare ee jawi kala duwan oo goobta ah. Intaa waxaa dheer, naqshadeynta baytariga lithium-ka ee awoodda weyn leh ee ku dhex jira ayaa sidoo kale sahlaysa habka hawlgalka.
Jadwalka xulashada moodeelka
| PR291B | PR293A | PR293B | |
| Qaabka Shaqada | |||
| Nooca qalabka | Heerkulbeegga Microhm | Heerkulbeegga microhm-ka Nanovolt | |
| Cabbirka iska caabbinta | ● | ||
| Cabbirka shaqada oo buuxa | ● | ● | |
| Tirada kanaalka dambe | 2 | 5 | 2 |
| Miisaanka | 2.7 kg (aan lahayn dallacaad) | 2.85kg (aan lahayn dallacaad) | 2.7kg (aan lahayn dallac) |
| Muddada baytariga | ≥6 saacadood | ||
| Waqtiga diirimaadka | Waa ansax 30 daqiiqo ka dib marka la kululeeyo | ||
| Cabbirka | 230mm × 220mm × 105mm | ||
| Cabbirka shaashadda bandhigga | Shaashad midab leh oo TFT ah oo heer warshadeed ah oo 7.0 inji ah | ||
| Deegaanka shaqada | -5 ~ 30℃,≤80% RH | ||
Qeexitaannada korantada
| Kala duwanaanshaha | Cabbirka xogta | Xallinta | Saxnaanta Hal sano | Heerka heerkulka |
| (kala duwanaanshaha akhrinta ppm ee ppm) | (5℃ ~ 35℃) | |||
| (akhriska ppm + kala duwanaanshaha ppm)/℃ | ||||
| 30mV | -35.00000mV~35.00000mV | 10nV | 35 + 10.0 | 3+1.5 |
| 100mV | -110.00000mV~110.00000mV | 10nV | 40 + 4.0 | 3+0.5 |
| 1V | -1.1000000V ~1.1000000V | 0.1μV | 30 + 2.0 | 3+0.5 |
| 50V | -55.00000 V~55.00000 V | 10μV | 35 + 5.0 | 3+1.0 |
| 100Ω | 0.00000Ω~105.00000Ω | 10μΩ | 40 + 3.0 | 2+0.1 |
| 1KΩ | 0.0000000kΩ ~ 1.1000000kΩ | 0.1mΩ | 40 + 2.0 | 2+0.1 |
| 10KΩ | 0.000000kΩ ~ 11.000000kΩ | 1mΩ | 40 + 2.0 | 2+0.1 |
| 50mA | -55.00000 mA ~ 55.00000 mA | 10nA | 50 + 5.0 | 3+0.5 |
Fiiro gaar ah 1: Qaadashada habka cabbirka afar-xariiqle si loo cabbiro iska caabbinta: qulqulka kicinta ee heerka 10KΩ waa 0.1mA, iyo qulqulka kicinta ee heerarka iska caabbinta kale waa 1mA.
Fiiro gaar ah 2: Shaqada cabbirka hadda: iska caabbinta dareemaha hadda waa 10Ω.
Fiiro gaar ah 3: Heerkulka deegaanka inta lagu jiro tijaabada waa 23℃±3℃.
Cabbiraadda heerkulka oo leh heerkulbeegyada iska caabbinta platinum
| Moodel | SPRT25 | SPRT100 | Pt100 | Pt1000 |
| Barnaamijka | ||||
| Cabbirka xogta | -200.0000 ℃ ~ 660.0000 ℃ | -200.0000 ℃ ~ 740.0000 ℃ | -200.0000 ℃ ~ 800.0000 ℃ | |
| Taxanaha PR291/PR293 sax ah hal sano | Heerka -200℃, 0.004℃ | Heerka -200℃, 0.005℃ | ||
| 0℃, 0.013℃ | 0℃, 0.013℃ | 0℃, 0.018℃ | 0℃, 0.015℃ | |
| 100℃, 0.018℃ | 100℃, 0.018℃ | 100℃, 0.023℃ | 100℃, 0.020℃ | |
| 300℃, 0.027℃ | 300℃, 0.027℃ | 300℃, 0.032℃ | 300℃, 0.029℃ | |
| Heerkulka 600℃, 0.042℃ | 600℃, 0.043℃ | |||
| Xallinta | 0.0001℃ | |||
Cabbirka heerkulka iyadoo la adeegsanayo thermocouples bir ah oo sharaf leh
| Moodel | S | R | B |
| Barnaamijka | |||
| Cabbirka xogta | 100.000 ℃ ~ 1768.000 ℃ | 250.000 ℃ ~ 1820.000 ℃ | |
| PR291, taxanaha PR293 saxnaan hal sano ah | 300℃, 0.035℃ | 600℃, 0.051℃ | |
| 600℃, 0.042℃ | 1000℃, 0.045℃ | ||
| 1000℃, 0.050℃ | 1500℃, 0.051℃ | ||
| Xallinta | 0.001℃ | ||
Fiiro gaar ah: Natiijooyinka kor ku xusan kuma jiraan qaladka magdhowga CJ.
Cabbiraadda heerkulka oo leh kuleyliyaha birta salka ah
| Moodel | K | N | J | E | T |
| Barnaamijka | |||||
| Cabbirka xogta | -100.000 ℃ ~ 1300.000 ℃ | -200.000 ℃ ~ 1300.000 ℃ | -100.000 ℃ ~ 900.000 ℃ | -90.000℃ ~ 700.000 ℃ | -150.000 ℃ ~ 400.000 ℃ |
| PR291, taxanaha PR293 hal sano sax ah | 300℃, 0.022℃ | 300℃, 0.022℃ | 300℃,0.019℃ | 300℃,0.016℃ | -200℃,0.040℃ |
| 600℃, 0.033℃ | 600℃, 0.032℃ | 600℃, 0.030℃ | 600℃, 0.028℃ | 300℃,0.017℃ | |
| 1000℃, 0.053℃ | 1000℃, 0.048℃ | 1000℃, 0.046℃ | 1000℃, 0.046℃ | ||
| Xallinta | 0.001℃ | ||||
Fiiro gaar ah: Natiijooyinka kor ku xusan kuma jiraan qaladka magdhowga CJ.
Faahfaahinta farsamada ee magdhowga kuleylka ee CJ-ga ee ku dhex jira
| Barnaamijka | PR293A | PR293B |
| Cabbirka xogta | -10.00 ℃ ~ 40.00 ℃ | |
| Saxnaanta Hal sano | 0.2 ℃ | |
| Xallinta | 0.01 ℃ | |
| Lambarka kanaalada | 5 | 2 |
| Farqiga ugu badan ee u dhexeeya kanaalada | 0.1℃ | |














