熱電阻感溫元件在0℃的電阻值(R0) 分度號(hào)Pt100: * R0=100±0.06Ω B級(jí) R0=100±0.12Ω 量程規(guī)格 型 號(hào) | 分度號(hào) | 測(cè)溫范圍℃ | 精度等級(jí) | 允許偏差△t ℃ | WZP | Pt100 | -200~500 | * | -200~650℃時(shí)允差 ±(0.15或+0.002︱t︱) | B級(jí) | -200~800℃時(shí)允差 ±(0.3或+0.005︱t︱) | 熱響應(yīng)時(shí)間 在溫度出現(xiàn)階躍變化時(shí),熱電阻的輸出變化至相當(dāng)于該階躍變化的50%所需要的時(shí)間,稱為熱響應(yīng)時(shí)間,用t0.5表示。 公稱壓力 一般是指在常溫下,保護(hù)管所能承受靜態(tài)外壓而不破裂,試驗(yàn)壓力一般采用公稱壓力的1.5倍。實(shí)際上,允許公稱壓力不僅與保護(hù)管材料、直徑、壁厚有關(guān),而且還與其結(jié)構(gòu)形式、安裝方式、置入深度以及被測(cè)介質(zhì)的流速、種類有關(guān)。 熱電阻絕緣電阻: 常溫絕緣電阻的試驗(yàn)電壓可取直流10~100V任意值,環(huán)境溫度應(yīng)在15~35℃范圍內(nèi),相對(duì)濕度應(yīng)不大于80%,常溫絕緣值應(yīng)不小于100MΩ。 熱電阻允許通過電流 通過鉑電阻測(cè)量電流zui大不超過5mA。 套管式熱電偶熱電阻,WZP-93C2,WZP2-39C1,WZPN2-230,WZP-93C1,WRN-240A,WRNN2-130,WRE-130-F,WRN2-740,JB81-94,WZPK-536SA,WRE-631,WRN-624,MWFT-3,.WZPK2-165SA,WZP-631,WRP2-010,WZPM-0110,WRE-624,WZP-015S,WZP-013S,WRN-625,WZPK-165S,WZP2-2312A,WRN-520,WRNM,WSSX-472,WSSX-471,WSSX-462,WSSX-461,WSSX-452,WSSX-451,WSS-572,WSS-472,WSS-571,wss-471,wss-562,wss-462雙金屬溫度計(jì),wss-561,wss-461,wss-552,wss-452,WSS-551,wss-451,wss-582,wss-482,wss-581,wss-481,wss-512,wss-412,.wss-312,wss-511,wss-411,wss-311,wss-502,WSS-402,wss-302,wss-501,wss-401,WSS-301,WSSXP-481,WSSXE-481,WSSXP-411,WSSXE-411,WSSXP-401,WSSXE-401,WSSP-581,WSSP-481,WSSP-511,WSSP-411,WSSP-501,WSSP-401,WSSE-581,WSSE-481,WSSE-511,WSSE-411,WSSE-501,WSSE-401,WSS-583L熱套式雙金屬溫度計(jì),WSSX-403L,WSSX-483L,WSS-483L,WSS-413L,WSS-413L,WSS-503L,WSS-403L,WSSX-483S,WSSX-413S,WSS-483S,WSS-513S,WSS-413S,WSS-503S,WSS-403S,WSSX-486電接點(diǎn)雙金屬溫度計(jì),WSSX-416,WSSX-406,WSSX-485,WSSX-415,.WSSX-405,WSSX-484,WSSX-414,WSSX-404,WSSX-483,WSSX-413,WSSX-403,WSSX-482,WZPK-124U,WZPK-406U,WZPK-503U,WZP-3212U,WZP-270U,WRNN2-436,WRP-130,WRP2-130,WRP-131,WRP2-131,WRQ-130,WRQ2-130,WRQ-131,WRQ2-131,WRR-130,WRR2-130,WZPK-336SA,WZPK2-335SA,WZPK-236SA,WZPK2-235SA,WZPK-333S,WZPK-334S,WZPK-335S,WZPK-236S,WZPK-235S, WZPK-234S, WZPK-233S, WZPK2-136S, WZPK2-135SA, WZPK-136S, WZPK-135S, WZPK-134S, WRNR-01, WRER2-14, WRNR2-14, WRER-14, WRER2-12, WRNR2-12, WRER-12, WRNR-12, WZP2-6312A, WZP-6312A, WZP2-631, WRN-624, WRNR2-01, SBWR-4170/440D隔爆本安型帶熱電偶電阻溫度變送器,SBWZ-4450,SBWZ-2450,SBWR-2160,SBWR-4150。 |