量程規(guī)格 類別 | 代號(hào) | 分度號(hào) | 測(cè)溫范圍℃ | 精度等級(jí) | 允許偏差△t | 鎳鉻-鎳硅 | WRNT | K | 0-800 | I | ±1.5℃或±0.004∣t∣ | II | ±2.5℃或±0.0075∣t∣ | 鎳鉻-銅鎳 | WRET | E | 0-600 | I | ±1.5℃或±0.004∣t∣ | II | ±2.5℃或±0.0075∣t∣ | 銅-銅鎳 | WRCT | T | -40-350 | I | ±0.5℃或±0.004∣t∣ | II | ±1℃或±0.75%t | 鉑電阻 | WZPT | Pt100 | -200-500 | * | ±(0.15+0.002∣t∣) | B級(jí) | ±(0.30+0.005∣t∣) | 銅電阻 | WZCT | Cu50 | -50-100 | II | ±(0.30+6.0X10-3t) | 注:“t”為感溫元件實(shí)測(cè)溫度,對(duì)于鉑電阻和銅電阻則為感溫元件實(shí)測(cè)溫度的值。 公稱壓力 一般是指在常溫下,保護(hù)管所能承受的靜態(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,允許工作壓力不僅與保護(hù)管材料、直徑、壁厚有關(guān),而且還與其結(jié)構(gòu)形式、安裝方法、置入深度以及被測(cè)介質(zhì)的流速、種類有關(guān)。 熱電偶絕緣電阻: 常溫絕緣電阻的試驗(yàn)電壓為直流500V。測(cè)量常溫絕緣電阻的大氣條件為:溫度15~35℃,相對(duì)濕度45%,大氣壓力86~106Kpa。 對(duì)于長(zhǎng)度超過(guò)1米的熱電偶,它的常溫絕緣電阻值與其長(zhǎng)度的乘積不小于100兆歐·米, 即:Rr·L≥100MΩm L>1m 式中:Rr-熱電偶的常溫絕緣電阻值,MΩ; L-熱電偶的長(zhǎng)度,m。 對(duì)于長(zhǎng)度等于或不足1米的熱電偶,它的常溫絕緣電阻值應(yīng)不小于100 MΩ。 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%,常溫絕緣電阻值應(yīng)不小于100 MΩ。 套管式熱電阻WZP-331-F, WZP-431-F, WZP 2-131-F, WZP 2-231-F, WZP 2-331-F, WZP 2-431-F, WZC-130-F, WZC-230-F, WZC-330-F, WZC-430-F, WZPN-130, WZPN-230, WZPN-330, WZPN-430, WZPN 2-130, WZPN 2-230, WZPN 2-330, WZPN 2-430, WZPN-131, WZPN-231, WZPN-331, WZPN-431, WZPN 2-131, WZPN 2-231, WZPN 2-331, WZPN 2-431, WZPM-631, WZPM2-631, WZCN-130, WZCN-230, WZCN-330, WZCN-430, WZP-2328, WZP2-2328, WZP-93C1, WZP2-93C1, WZP-93C2, WZP2-93C2, WZP-633, WZP2-633, WZP-634, WZP2-634, WZP-4318, WZP2-4318, WZP-731, WZP2-731, WZP-120, WZP-121,耐腐型、耐磨型熱電阻WZP-130, WZP-131, WZP2-120, WZP2-121, WZP2-130, WZP2-131, WZC-120,WZC-130, WZP-220, WZP-221, WZP-230, WZP-231, WZP2-220, WZP2-221, WZP2-230,WZP2-231, WZP-221A, WZP2-221A, WZC-220, WZC-230, WZC-220A, WZP-220, WZP-221WZP-230, WZP-231, WZP2-220, WZP2-221, WZP2-230, WZP2-231, WZP-220A, WZP2-220A, WZC-220, WZC-230, WZC-220A, WZP-320, WZP-321, WZP-330, WZP-331, WZP2-320, WZP2-321, WZP2-330, WZP2-331, 可動(dòng)式熱電阻WZC-320, WZC-330, WZP-420, WZP-421, WZP-430, WZP-431, WZP2-420, WZP2-421, WZP2-430, WZP2-431, WZP-420A, WZP2-420A, WZP-420, WZC-430, WZP-420, WZP-421, WZP-430, WZP-431, WZP2-420, WZP2-421, WZP2-430, WZP2-431, WZP-420A, WZP2-420A, WZC-420. WZC-430, WZP-621, 裝配式薄膜鉑熱電阻WZP-621, WZP-631, WZP2-621, WZP2-621, WZP2-631., WZP-621A, WZP2-621A, WZP-002 WZP-621A, WZP-631, WZP2-621, WZP2-621A, WZP2-631,, WZP-003, WZP-003A, WZP-010, WZP2-010, WZP-011, WZP2-011, WZC-010A, WZP-035S, WZC-001, WZC-200, WZP-260, WZP2-260, WZPM-267,WZP-269, WZP2-260, WZC-269, WZP-270, WZC-270, WZP-280, WZP-260, WZP2-260, WZP-269, WZP2-269, WZC-269, WZC-190, WZC-890J, WZP-892, WZP2-892, WZP2-3212A,WZP2-421B,SBWZ-2481/44SI,WRN-74S,WZPK-426S,WZP-3312A,WZPK2-326SA,WZP2-6312A,WZP-6312A,WZP2-24SA,WZP-24SA,WZP2-6212A,WZP-6212A,WZP-4312A,WZP-4212A,WZP2-3312A,WRNR-01,熱電偶配件,WRNT2-001,WRE2-12B,WZP-106S,WZP-2312A,WRE-001,WRE-002,TP-K02,WZP-2212A,WZP-203S,WZP-014S,WZP2-2312A,WRR-010,WZP2-4212A,WZP-1212A,WZP-236S防水式接線盒, WZP-270S, WRE-625, WZP-012S, K-250CD, WRP-100, WRE-010, WRE-220A, WRN-010, WRR2-010, WRN2-631, WZP2-010, WZP2-221, WZP2-220, WZP-231, WZP-230, WZP2-1312A, WZP2-106S, WRET2-31, WRN-235T, WRE-235T可動(dòng)式熱電偶熱電阻,WRNR2-01,WERE2-15A,WRER2-13,WRNR2-13,WERE-13,WRNR-13,WRER2-12,WRER-01,WRNR-01,WERE2-01,WRER-12,WRET-001,WRE-625,WZPK2-535SA,WRN-15B,WRE2-14B,WRNR2-15,WRER-15,WZP-011,WZC-010A,WZP-035S,WRN-002,WRP-010,WRE-520直角彎頭熱電偶,WZPM-2012,WZP-203S,WSSXWRNN-436 |