主要特點(diǎn): ● 采用硅橡膠或環(huán)氧樹脂密封結(jié)構(gòu),因此耐震、耐濕,適合在現(xiàn)場環(huán)境中安裝使用; ● 現(xiàn)場安裝在熱電偶,熱電阻的接線盒內(nèi)使用,直接輸出4-20mA、0-10mA的輸出信號(hào)。這樣既節(jié)約了昂貴的補(bǔ)償導(dǎo)線費(fèi)用,又提高了信號(hào)遠(yuǎn)距離傳輸過程中的抗干擾能力; ● 熱電偶變送器具有冷端自動(dòng)補(bǔ)償功能;精度高、功耗低,使用環(huán)境溫度范圍寬,工作穩(wěn)定可靠; ● 適用范圍廣,即可以與熱電偶,熱電阻形成一體化現(xiàn)場安裝結(jié)構(gòu),也可以作為功能模塊安裝在檢測設(shè)備中和儀表盤上使用: 工作原理: 熱電偶或熱電阻傳感器被溫度轉(zhuǎn)換成電信號(hào),再將信號(hào)送入變送器的輸入網(wǎng)絡(luò),該網(wǎng)絡(luò)包含調(diào)零和熱電偶補(bǔ)償?shù)认嚓P(guān)電路。經(jīng)調(diào)零后的信號(hào)輸入到運(yùn)算放大器進(jìn)行信號(hào)放大,放大的信號(hào)一經(jīng)V/I轉(zhuǎn)換器運(yùn)算處理后以DC4-20mA電流輸出;另一路經(jīng)A/D轉(zhuǎn)換器處理后到表頭顯示。變送器的線性化電路有兩種,均采用反饋方式。對(duì)熱電阻傳感器,用正反方式校正,對(duì)熱電偶傳感器,用多段折線逼近法進(jìn)行校正。一體化數(shù)字顯示溫度變送器LCD顯示的采用兩線制方式輸出。 技術(shù)參數(shù) 1.輸入信號(hào):熱電偶:K、E、J、B、S、T、N;熱電阻:Pt100、Cu50、 Cu100、(三線制、四線制),智能型溫度變送器的輸入信號(hào)可通過PC機(jī)或手操器任意設(shè)置; 2.輸出信號(hào):在量程范圍內(nèi)輸出DC4-20mA電流信號(hào),與熱電偶、熱電阻的輸入信號(hào)成線性或與溫度成線性。智能型溫度變送器輸出DC4-20mA電流信號(hào)同時(shí)疊加符合HART標(biāo)準(zhǔn)協(xié)議通信信號(hào); 3.基本誤差:0.5%FS;0.2%FS;智能型0.2%FS; 4.接線方式:二線制;三線制; 5.顯示方式:四位LCD顯示溫度,智能型四位LCD可通過PC機(jī)或手操器設(shè)定使之顯示現(xiàn)場溫度,傳感器值,輸出電流和百分比例中的任一種參數(shù); 6.工作電壓:普通型12∽35V DC;智能型12V∽45V DC;額定工作電壓為24V DC; 7.允許負(fù)載電阻:500Ω(24VDC供電);極限負(fù)載電阻R(max)=50(Vmin-12),例如在額定工作電壓24V DC時(shí),負(fù)載電阻可0-600Ω范圍內(nèi)選擇使用。 8.工作環(huán)境: a:環(huán)境溫度 -25∽80℃(常規(guī)型) -25∽70℃(數(shù)顯型) b:相對(duì)溫度 5%∽95% c:機(jī)械振動(dòng)f≤50HZ,振幅≤0.15mm d:無腐蝕氣體或類似的環(huán)境; 9.溫度影響系數(shù):δ≤0.05%/℃ 裝配式熱電偶WRE2-12B, WRN-13B, WRE-13B, WRN2-13B, WRE2-13B, WRN-14B, WRE-14B, WRN2-14B, WRE2-14B, WRN-15B, WRE-15B, WRN2-15B, WRE2-15B, WRN-15AB,. WRE-15AB, WRN2-15AB, WRE2-15AB, WRN-4318, WRE-4318,,WN2-4318, WRE2-4318, WRN-43C, WRE-43C, WRN2-43C, WRE2-43C, WRR-120, WRR-121, WRR2-120, WRR2-121, WRP-120, WRP-121, WRP2-120,, 熱電偶 WRP2-121, WRN-122, WRN-123, WRN2-123, WRR-130, WRR-131, WRR2-130, WRR2-131, WRP-130, WRP-131, WRP2-130, WRP2-131, WRN-133, WRN2-133, WRN-120, WRN2-120. WRE-120, WRE2-120, WRN-130, WRN2-130, WRE-130, WRE2-130, WRN-220, WRN-220A, WRN2-220, .WRN2-220A, WRE-220, WRE-220A,, WRE2-220A, WRN-230, WRN2-230, WRE-230, WRE2-230, WRN-220, WRN-220A, WRN2-220, WRN2-220A, WRE-220, WRE-220A, WRE2-220, WRE2-220A, WRN-230, WRN2-230, WRE-230, WRE2-230, WRN-320, WRN2-320, WRE-320, WRE2-320, WRN-330, WRN2-330, WRE-330, WRE2-330, 高溫耐磨熱電偶WRN-420, WRN-420A, WRN2-420, WRE-420, WRE-420A, WRE2-420, WRN-430, WRN2-430, WRE-430, WRE2-430, WRN-420, WRN-420A. WRN2-420, WRE-420, WRE-420A, WRE2-420, WRN-430, WRN2-430, WRE-430, WRE2-430, WRN-520, WRN2-520, WRE-520,, WRE2-520, WRN-530, WRN2-530, WRE-530, WRE2-530, WRN-621, WRN-621A, WRN2-621, WRE-621, WRE-621A, WRE2-621, WRN-631, WRN2-631, WRE-631, WRE2-631. WRN-620,WRN-621,. WRN-620A, WRN-621A, WRN2-620, WRN2-621, WRE-621, WRE-621A, WRE2-621, WRN-631, WRN2-631, WRE-631, WRE2-631, WRN-624, WRN-625, WRE-624, WRE-625, WRN-001, WRE-001, WRN-001, WRE-001, WRN-010, WRE-010, WRR-010, WRR2-010, WRP-010, WRP2-010, WRP-100,WSSX-412,WSSX-402電接點(diǎn)雙金屬溫度計(jì),WSSX-481,WSSX-411,WSSX-401,WSSX-480,WSSX-410,WSSX-400,WSSX-486B,WSSX-416B,WSSX-485B,.WSSX-415B,WSSX-484B,WSSX-414B,WSSX-483B,WSSX-413B,WSSX-482B,WSSX-412B,WSSX-481B,WSSX-411B,WSSX-480B,WSSX-410B,WZPK-376U,WZPK-473U,WZPK-474U,WZPK-475U,WZPK-374U,WZPK-173U,WZPK-174U,WZPK-176U,WZPK-273U,WZPK-274U,WZPK-275U,WZPK-563U,WZPK-366U,WZPK-463U,WZPK-573U,WZPK-575U,WZPK-576U,WZP2-221B,WZP2-230B,WZP2-231B,WZC-130B,WZP-221B,WZP-230B,.WZP2-130B,WZP2-420B,WZC-220B,WZC-230B,WZC-220AB,WZP-320B,WZP-331B,WZP2-320B,WZP2-324B,WZP2-330B,WZC-320B,WZP-420B,WZP-421B,WZPK2-565SA,WZPK-334U,WZPK-574S,WZP-44SAB,WZPK-573S,WZPK-24,WZPK2-24,WZP-24SAB,WZPK2-44,SBWR-2260,WZPK-44 WZP2-64SB,WZP2-24SAB,WZPK-275S,WZP-44SA,WZKP2-536SA,WZPK-2212U,WZP-1312U,WZPK-536S,WZP-1212U,WZPK2-576SA,WZPK2-575SA,WZP-6212U,WZP-4212U,WZP-3312U,WZP-4312U,WZPK-104S,WZPK-174S,WZPK-103S,WZPK2-44,WZPK2-24,WZPK-173S,WZPK-24,WZP-64S,WZPK-44,WZP2-421D,WZPN2-330,WZP-421B,WZP2-431C,WZPN2-430,WZP2-421C,WZP-431,WZP2-11SA,WRNR2-12, 分析儀器: RZY-1,RZY-2,WRT-3P,CDR-4P,CDR-34P,CRY-1P,CRY-2P,CRY-31P,CRY-32P,ZRY-1P,ZRY-2P, ZRY-32P, RJY-1P, MA99-1, MA99-2, MA99-2A, MA99-3, MB99-1, MA99-2, MA99-2A, MA99-3, MC99-2, MC99-3, MD99-1, MD99-2, MD99-2A, MD99-3, ME99-1, ME99-2, ME99-3, MF99-1, MF99-2, MF99-3, BS-16A, BS-30A, BS-100A, BS-160A, BS-100N, BSZ-16, BSZ-30, BSZ-40, SZ-100, BSZ-160, SBS-100, SBS-160, DBS-100, DBS-160, CBS-A, CBS-B, CBS-C, JLF-A, WH-1, WH-2, WH-3, XW-80A, 油口分析測量儀器: SYD-267, SYD-3536, SYD-3536A, SYD-3536B, SYD-3536D, SYD-261, SYD-261A, SYD-261B, SYD-261D, WNE-1A, WNE-1B, SYD-260, SYD-260A, SYD-2122, SYD-2122A, SYD-2122B, SYD-265B, SYD-265C, SYD-265D, SYD-265D-1, SYD-265H, SYD-265C-2, SYD-265G, SYD-265-2, SYD-255, SYD-255G, SYD-6536, SYD-6536A, SYD-6536B, SYD-6536C, SYD-0165, SYD-1884, SYD-510, SYD-510B, SYD-510-I, SYD-510G, SYD-510G-I, SYD-510E, SYD-510G-II, SYD-510D, SYD-510F1, SYD-510Z-I, HWY-ND, SYD-2430, SYD-11143, SYD-5096A, SYD-5096, SYD-0232, SYD-268, SYD-30011, SYD-7305, SYD-7305A, SYD-12579, SYD-8019, SYD-509A, SYD-8017, SYD-8017A, SYD-0089, SYD-8018D, SYD-0175, SYD-0206, SYD-0193, SYD-11132, SYD-2801A, SYD-2801C, SYD-2801G, SYD-270A, SYD-380B, SYD-387, SYD-259, SYD-264, SYD-264A, SYD-511B, SYD-508, SYD-0168, SYD-0324, SYD-262, SYD-262A, SYD-8929, SYD-3069, SYD-6532, SYD-1792, SYD-3554, SYD-706, SYD-6541, SYD-17623, SYD-0308, SYD-421, SYD-507, 瀝青檢測類儀器: SYD-2806, SYD-2806E, SYD-2806F, SYD-2806G, SYD-2806H, SYD-4508A, SYD-4508B, SYD-4508C, SYD-4508D, SYD-4508F, SYD-4508G, SYD-2801D, SYD-2801D1, SYD-2801E, SYD-2801E1, SYD-2801F, SYD-2801I, SYD-0722, SYD-0722A, SYD-0615, SYD-0609, SYD-0610, SYD-265E, SYD-0620, SYD-0711A, SYD-0334, SYD-0631, SYD-0621,WNE-1C, SYD-0623, SYD-0624, SYD-0633, SYD-255A, PAV-1, SYD-XY150, SYD-0613, SYD-0613A, SYD-0709, SYD-0709A, SYD-0702, SYD-0702A, SYD-0131, SYD-F02-20, SYD-0719, SYD-0719A, SYD-0719B, SYD-0703, SYD-6307,NSF-1, SYD-0618, SYD-0653, SYD-0654, SYD-0655, SYD-0751, SYD-0752, SYD-0754, SYD-0755, SYD-1617, JJC-1D, 試驗(yàn)器: SYP1001B-2, SYP1001B-5, SYP1002B-2, SYP1002-3, SYP1003-6, SYP1003-6A, SYP1003-6B, SYP1003-6E, SYP1003, SYP1003-7, SYP1003-7A, SYP1003-7B, SYP1003-7D, SYP1003-9, SYP1003-9A, SYP1003-9B, SYP1004-3, SYP1008-3C, SYP1008-3E, SYP1003-8, SYP1010-2, SYP1013, SYP1015-1, SYP1015-3, SYP1016-1B, SYP1016-1C, SYP1016-2C, SYP1016-2D, SYP1016-2E, SYP1016-2F, SYP1017-1,SYP1021, SYP2000-1, SYP1022-2A, SYP1022-2C, SYP1022-2D, SYP1022-1C, SYP1023, SYP1024, SYP1025, SYP1026, SYP1026-1, SYP1027, SYP1027-1, SYP20013A, SYP2001-3B, SYP2001-3C, SYP2007-1, SYP3006-1, SYP3007B-2, SYP3008, SYP3010-1, SYP3013, SYP4100-1, SYP4101, SYP4101-1, SYP4101-A, SYP4101-B, SYP4106-1, XSP, SYP4108, SYP4111-2, SYP4202-1, SYP4301-2, SYP7004-1, SYP7005, ZL-2, SYP9000, SYP9001A, SYP9001B, SYP9002B-1, SYP9002-1, SYP9003-2, SYP9010, SYP9012, SYP2102, 測汞儀: F732-V, F732-VJ, F732-S, F732-G, ZYG-11, DHL-2, DHL-3, DHL-4, DHL-100, DHL-200, DHL-300, HL-2D, HL-6D, HL-7D, HL-2B, HL-3B, HL-4B, HL-5B, HL-6B, HL-7B,HL-100B, HL-200B, HL-300B, HL-600B, HL-2, HL-3, HL-4, HL-5, HL-6, HL-7, HL-100, HL-200, HL-300, HL-600, DHL-A, HDL-B, HL-1, HL-1B, HL-1S, HL-2, HL-2B, HL-2D, HL-2S, HL-3, HL-3B, HL-4, HL-4B, HL-4D, HL-5, HL-5A, HL-5B, HL-6, HL-6B, HL-6D, BT-100, BT-100B, BT-100D, BT-200, BT-200B, BT-600, BT-600B, T-600C, HL-2N, BT-100N, 顆粒測定儀: LKY-2, PME1,PME, 粘度計(jì): NDJ-1,NDJ-4,NDJ-5,NDJ-8SN,NDJ-9SN,SNB-1,SNB-4,DV-1,NDJ-7,NDJ-5S,NDJ-8S,NDJ-79,NDJ-1B,NDJ-1B-1, NDJ-99, NDJ-1C, NDJ-1D, NDJ-1F, NDJ-1E, 水分測定儀: LHS16-A, DHS16-A, SH-10A, SC69-02C, EMA-100, EMA-50, EMA-20, SC-10, MA35, MA150, MA100, MB35, MB45, MB23, MB25, KF-1, KF-1A, KF-1, KF-1B, LDS-IG, LDS-IH, LDS-IF, LJDS-I, LDS-IY, LDS-IK, LDS-IS, LDS-2G, LDS-2A, LDS-2, LDS-3H, LJS-IA, LJS-IB, LMS-30, LTJM-2008, LTJM-8, LTJM-3, 電導(dǎo)率儀,: FE20K,FE20,FE30K,FE30,FG2-B,FG2-ELK,FG2-FK,FG3-B,FG3-ELK,FG3-FK,SG2-B,SG2-ELK,SG2-T,SG2-FK,SG2-ASK,SG3-B,SG3-ELK,SG3-ELK740SG,SGE-FK2,SG3-FK10,SG3-ASK,SG6-ELK,SG6-FK2,SG6-FK10,SG6-ASK,SG7-B,SG7-ELK,SG7-ELK740SG,SG7-FK2,SG7-FK10,SG7-ASK,SG8-B,SG8-ELK,SG8-FK,SG8-ASK,S20K,S20,S30K,S30,S40K,S40,S40N,PB-10,PB-21,PT-10,PT-10P,PP-15-P11,PP-20-P11,PP-25-P11,PP-50-P11,DDS-307,DDS-307A,DDSJ-308A,DDSJ-318,DDBJ-350,DDB-303A,DDS-11D,TM-03,DDS-11C,DDS-11A,DDG-5205A,DDG-33,DDG-330,DDD-32D ,DCG-760A,DDB-1,DDB-2,DDB-11A,DDC-11C, PH計(jì),酸度計(jì): PHS-3D,PHS-3C,PHS-3E,PHS-3B,PHSJ-3F,PHSJ-4A,PHSJ-5,PHS-25,PHS-2F,PHBJ-260,PHB-4,PHS-29A,PHS-4,PHS-3CT, PHS-2C, PHB-5,PHC-2,PHC-2000, 實(shí)驗(yàn)室溶解氧: JPB-607,JPB-607A,JPB-608,JPSJ-605,SJG-9435A, 實(shí)驗(yàn)室離子計(jì): PXS-270,PXSJ-216,PXSJ-226,PXS-215,DWS-51,DWS-51-1,DWS-295,DWS-296, 實(shí)驗(yàn)室滴定儀: ZDY-500,ZD-2,ZDJ-4A,ZDJ-5,ZYT-1,ZYT-2,ZSD-1,ZSD-2,ZSD-2J,ZD-3A, 分析儀: DZS-706,DZS-707,DZS-708,DZS-718,COD-571,COD-571-1,COD-572,KLS-411,ZDY-501,44B,ZF-2,ZF-2C,ZB-1C, GXG-201, 紫外分析儀: ZF-I, ZF-20C, ZF-20D, ZF-401A, ZF-401B, ZF-501A, ZF-501B, ZF-90A, ZF-90B, ZF-7A, ZF-7B, ZF-7C, ZF-7D, ZQJ-254, ZF-4, WFH-203B, WFH-204A, WFH-204B, WFH-204, WFH-201BJ, WFH-201B, WFH-202B, WFH-201A, WFH-202, WFH-205B, HD-9706, HD-9707, HD-9704, HD-9705, HD-1, HD-2, HD-3, HD-4, HD-5, HD-A, HA-B, HD-S, ZF-C, ZF-5, |