PR1231/PR1232 Standard Platinum-10% Rhodium/Platium Thermocouple

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PR1231/PR1232 Standard Platinum-10% Rhodium/Platium ThermocouplePart1 Bayanin Matsakaicin matakin platinum-iridium 10-platinum ma'aunin zafi da sanyio waɗanda ke da daidaito mai kyau na zahiri…

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PR1231/PR1232 Standard Platinum-10% Rhodium/Platium Thermocouple

Bayanin Part1

Matsayi na farko da na biyu daidaitaccen ma'aunin ma'aunin ma'aunin platinum-iridium 10-platinum waɗanda ke da daidaito mai kyau na zahiri da sinadarai, juriya mai kyau na iskar shaka a yanayin zafi mai kyau, kwanciyar hankali mai kyau da haɓaka ƙarfin thermoelectromotive.Sabili da haka, ana amfani da shi azaman kayan auna ma'auni a cikin (419.527 ~ 1084.62) ° C, ana kuma amfani da shi don watsa ma'aunin zafin jiki da ma'aunin zafin jiki daidai a cikin kewayon zafin jiki.

Kashi na 2 Siffofin fasaha

Fihirisar siga	Matsayin farko na platinum-iridium 10-platinum thermocouples	Matsayi na biyu na platinum-iridium 10-platinum thermocouples
Mai kyau da mara kyau	Tabbatacce shine alluran platinum-rhodium (platinum 90% rhodium 10%), mummunan shine platinum mai tsabta.
lantarki	Diamita na lantarki guda biyu shine 0.5^-0.015Tsawon mm bai zama ƙasa da 1000mm ba
Bukatun thermal electromotive forceAuna zafin junction yana a Cu point (1084.62 ℃) Al batu (660.323 ℃) Zn batu(419.527 ℃) da kuma tunani junction zafin jiki ne 0 ℃	E (t_Cu= 10.575 ± 0.015mVE (t_Al= 5.860+0.37 [E (t_Cu-10.575]±0.005mVE(t_Zn= 3.447+0.18 [E (t_Cu) -10.575]±0.005mV
Karfin karfin Thermo-electromotive	3 μV	5 μV
Canjin shekara-shekara Thermo-electromotive ƙarfi a Cu point (1084.62 ℃)	≦5μV	≦10μV
Yanayin Zazzabi Aiki	300 ~ 1100 ℃
Insulating hannun riga	Biyu rami ain tube ko corundum tube Outer diamita (3 ~ 4) mm, rami diamita (0.8 ~ 1.0) mm, tsawon (500 ~ 550) mm

Kashi na 3 Umarnin aikace-aikace

daidaitattun ma'aunin ma'aunin zafi na platinum-iridium 10-platinum dole ne su kasance daidai da teburin tsarin bayarwa na ƙasa, dole ne a aiwatar da hanyoyin tabbatar da ƙasa.Za'a iya amfani da ma'aunin ma'aunin platinum-iridium 10-platinum thermocouples don auna aji na biyu,Ⅰ grade,Ⅱ grade platinum-iridium 10-platinum thermocouples da Ⅰ grade base karfe thermocouples;Na biyu platinum-iridium 10-platinum thermocouples za a iya amfani da su kawai don auna Ⅱ tushe karfe thermocouples.

Lambar tabbatarwa ta ƙasa	Sunan tabbatarwa na ƙasa
JJG75-1995	daidaitaccen ƙirar platinum-iridium 10-platinum thermocouples ƙayyadaddun ƙayyadaddun ƙima
JJG141-2013	Aiki mai daraja karfe thermocouples calibration takamaiman
JJF1637-2017	tushe karfe thermocouple calibration takamaiman

Sashe na 4 Kulawa da adanawa

1. Matsakaicin lokacin daidaitawar thermocouple shine shekara 1, kuma kowace shekara dole ne a daidaita ma'aunin ma'aunin thermocouple ta sashen metrology.

2. Dole ne a yi daidaitaccen daidaitawar kulawa bisa ga amfani.

3. Yanayin aiki na ma'aunin ma'aunin zafi ya kamata ya kasance mai tsabta don kauce wa gurɓataccen ma'auni na thermocouple.

4. Ya kamata a sanya ma'aunin thermocouple a cikin yanayin da ba zai gurɓata ba kuma a kiyaye shi daga damuwa na inji.

Kashi na 5 Kariya lokacin amfani

1. Ba za a iya amfani da bututun rufewa ba a gasasshen zafin jiki.Ana amfani da bututun rufewa na asali bayan tsaftataccen tsaftacewa da gasasshen zafin jiki.

2. Bututun rufewa yayi watsi da tabbatacce da korau, wanda zai haifar da gurɓataccen sandar platinum kuma ƙimar yuwuwar thermoelectric ta ragu.

3. Ba da gangan ba daidaitaccen bututun rufin thermocouple mai arha tare da waya mai arha zai gurɓata daidaitaccen thermocouple, kuma dole ne a yi amfani da bututun ƙarfe mai kariya don tabbatar da ma'aunin ma'aunin ƙarfe na tushe.

4. Ba za a iya sanya ma'aunin thermocouple ba zato ba tsammani a cikin tanderun da ke daidaita zafin jiki, kuma ba za a fitar da shi daga tanderun da ke daidaita zafin jiki ba.Zafin kwatsam da sanyi zai shafi aikin thermoelectric

5.Under al'ada yanayi, da tabbaci makera ga daraja karfe thermocouple da tushe karfe thermocouple ya kamata a tsananin bambanta;idan ba zai yiwu ba, dole ne a saka bututun yumbu mai tsabta ko bututun corundum (diamita game da 15mm) a cikin bututun tanderun don kare ƙarfe mai daraja Thermocouples da daidaitattun ma'aunin zafi da sanyio daga gurɓataccen ƙarfe na thermocouple.

Na baya: PR293 Series Nanovolt Microhm Thermometer

Na gaba: Standard Platinum Resistance Thermometer