主要特点: ● 采用硅橡胶或环氧树脂密封结构,因此耐震、耐湿,适合在现场环境中安装使用; ● 现场安装在热电偶,热电阻的接线盒内使用,直接输出4-20mA、0-10mA的输出信号。这样既节约了昂贵的补偿导线费用,又提高了信号远距离传输过程中的抗干扰能力; ● 热电偶变送器具有冷端自动补偿功能;精度高、功耗低,使用环境温度范围宽,工作稳定可靠; ● 适用范围广,即可以与热电偶,热电阻形成一体化现场安装结构,也可以作为功能模块安装在检测设备中和仪表盘上使用: 工作原理: 热电偶或热电阻传感器被温度转换成电信号,再将信号送入变送器的输入网络,该网络包含调零和热电偶补偿等相关电路。经调零后的信号输入到运算放大器进行信号放大,放大的信号一经V/I转换器运算处理后以DC4-20mA电流输出;另一路经A/D转换器处理后到表头显示。变送器的线性化电路有两种,均采用反馈方式。对热电阻传感器,用正反方式校正,对热电偶传感器,用多段折线逼近法进行校正。一体化数字显示温度变送器LCD显示的采用两线制方式输出。 技术参数 1.输入信号:热电偶:K、E、J、B、S、T、N;热电阻:Pt100、Cu50、 Cu100、(三线制、四线制),智能型温度变送器的输入信号可通过PC机或手操器任意设置; 2.输出信号:在量程范围内输出DC4-20mA电流信号,与热电偶、热电阻的输入信号成线性或与温度成线性。智能型温度变送器输出DC4-20mA电流信号同时叠加符合HART标准协议通信信号; 3.基本误差:0.5%FS;0.2%FS;智能型0.2%FS; 4.接线方式:二线制;三线制; 5.显示方式:四位LCD显示温度,智能型四位LCD可通过PC机或手操器设定使之显示现场温度,传感器值,输出电流和百分比例中的任一种参数; 6.工作电压:普通型12∽35V DC;智能型12V∽45V DC;额定工作电压为24V DC; 7.允许负载电阻:500Ω(24VDC供电);极限负载电阻R(max)=50(Vmin-12),例如在额定工作电压24V DC时,负载电阻可0-600Ω范围内选择使用。 8.工作环境: a:环境温度 -25∽80℃(常规型) -25∽70℃(数显型) b:相对温度 5%∽95% c:机械振动f≤50HZ,振幅≤0.15mm d:无腐蚀气体或类似的环境; 9.温度影响系数:δ≤0.05%/℃ 可动式热电偶WRE2-430D, WZP-420B, WZP-421B, WZP-430B, WZP-431B, WZP2-420B, WZP2-421B, WZP2-430B, WZP2-431B, WZC-420B, WZC-430B, WZP-420C, WZP-421C, WZP-430C, WZP-431C, WZP2-420C, WZP2-421C, WZP2-430C, WZP2-431C, WZC-420C, WZC-430C, WZP-420D, WZP-421D, WZP-430D, WZP-431D, WZP2-420D, .WZP2-421D, WZP2-430D, WZP2-431D, WZC-420D, WZC-430D.WRR-433Q, WRNR-93UC, WRER-93UC, WRNR2-93UC, WRER2-93UC, WRNT-001, WRNT2-001, 耐腐、耐磨热电偶WRET-001, WRET2-001, WRNR-01, WRER-01, WRNR2-01, WRER2-01, WRNR-12, WRER-12, WRNR2-12, WRER2-12, WRNR-13, WRER-13, WRNR2-13. WRER2-13. WRNR-14, WRER-14, WRNR2-14, WRER2-14, WRNR-15, WRER-15, WRNR2-15, WRER2-15, WRN-15A,. WRER-15A, WRNR2-15A, WRER2-15A, WRNT-31, WRET-31, WRNT2-31, WRET2-31, 套管式热电偶WRNK-841n﹡D, WRNK-842n﹡D, WREK-841n﹡D. WREK-842n﹡D, WRNK-841n﹡I, WRNK-842n﹡I, WREK-841n﹡I. WREK-842n﹡I, WREK-842n﹡I, WRN-240A, WRN2-240A, WRE-240A, WRE2-240A, WRN-640A,RN2-640A,WRE-640A,WRE2-640A, .WRN-440A,RN2-440A, WRE-440A,RE2-440A, WRNK-240, WRNK2-240, WREK-240, WREK2-240, WRNK-440, WRNK2-440, WREK-440, WREK2-440, WRN-74O,WRN2-74O, WRN-74O, WRN2-74O, WRNR-15, WRNR2-15, WRNR-15A, WRNR2-15A, WRER-15, WRER2-15, WRER-15A, WRER215A, WRN-624, WRN-625, WRE-624, WRE-625, WRNR-12, WRER-12, WRNR2-12, .WRER2-12, WRNR-13, WRNR2-13, WRER-13, WRER2-13,WRNR-14, WRNR2-14, WRER14, WRER2-14, WRN-631, WRN2-631, WRNR-01, WRER-01, WRNR2-01, WRER2-01, WRN-130, WRN2-130, WRN-230, WRN2-230, WRN-330, WRN2-330, WRN2-430, WRN-430, WRE-130, WRE2-130, 搅拌器: IT-08C10, IT-08C15, IT-08C20, IT-08B5, IT-08B10, IT-08B15, IT-08A5, IT-08A8, IT-08A12, IT-09B5, IT-09B10, IT-09B15, IT-09A5, IT-09A8, IT-09A12, JB25-C, JB40-C, JB50-D, JB90-D, JB200-D, JB300-D, JRJ300-1, FJ200, 76-1,DS-1, JB500W, JB1000W, JB2000W, JB50-S, JB90-S, JB200-S, JB300-S, JRJ300-S, 76-S, BOS-60-S, BOS-110-S, AM-200W, AM-300W, AM-200W-S, AM-300W-S, JB300-D-1, AC-60W-S, AC-110W-S, AC120, AC120-S, A200-12G, A200-18G, A300-24G, A500-36G, A200-12G-S, A200-18G-S, A300-24G-S, A500-36G-S, FJ200, FJ200-S, FJ300-S, FA25, F6/10, A300-70G, A500-90G, A300-70G-S, A500-90G-S,JRJ300-1, JRJ300-II, JRJ300-S, F-80, XJA-100A, 79HW-1, HJ-3, CJJ-931, DF-1, HJ-5, 8S-1, 78HW-1, 78-1, 78-2, 79-1, 79-2, 85-2, CJJ-843, CJJ-931, HJ-6A, HJ-4A, JB-2, JJ-1, JJ-2, JJ-3, JJ-4, JJ-1A 100W, FK-A, FK-B, FS-1, FS-2, FSH-2, F-80, FJ-200, D2004W, D2010W, D2015W, D2025W, S312-40, S312-60, S312-90, S312-120, S312-250, S312-750, 98-1, 98-2, H03-A, H03-B, 90-1A, 90-1, 90-1B, 96-1, H01-2, H01-2C, H01-2A, 85-1, 85-1A, 85-2A, 84-1, 84-1A, H05-1, H04-1, 524, H01-3, 85-1C, SH05-3, SH23-2, H01-1C, H01-1A, H01-1B, 95-1, SH21-2, SH21-1, 03-2, 94-2, H97, 85-2, 08-1, 08-2, X85-2S, X85-2, 08-3, 81-2, H97-A, 7901, S212-40, S212-90, S312-40, S312-90, S312-120, S312-250, S312-250H, S312-250P, XW-80A, H-1, 90-2, 90-1, RW-120, DS-1, TH-25, TH-100, TH-300, TH-500, TH-1000, TH-2000, TH-300A, TH-500A, TH-1000A, 90-2, 90-3, 真空泵: 2XZ-0.25, 2XZ-0.5, 2XZ-1, 2XZ-2, 2XZ-4, 2XZ-8, SHZ-III, SHZ-IIID, VC100A, 2XZ-2, SHB-3, DL-2004, DL-2010, DL-1030, DH10-100, DH20-100, DH20-200, SC-2, 1810D, RE52AA, RE52A, RE-5203A, RE-5000, RE-3000A, RE-3000B, RE-52-10A, SHZ-III, SHZ-3, 分析天平,精密天平,电子天平: AUW120D, AUW220D, AUW120, AUW220, AUW320, AUX120, AUX220, AUX320, AUY120, AUY220,UW420S,UW820S,UW4200S,UW8200S,UW220H,UW420H,UW620H,UW4200H,UW6200H,UX420S,UX820S,UX4200S,UX8200S,UX220H,UX420H,UX620H,UX2200H,UX4200H, UX6200H,TX223L,TX323L,TX2202L,TX3202L,TXC323L,BW12KH,BW22KH,BW32KH,BW32KS,BW52KS,BX12KH,BX22KH,BX32KH,BX32KS,BX52KS,BL-220H,BL-320H,BL-320S, BL-620S,BL-2200H,BL-3200H,BL-3200S,TXB222L,TXB422L,TXB622L,TXB2201L,TXB4201L,TXB6201L,TXB621L,TXB6200L,EL/ELB600SA, EL/ELB6000SA,EL/ELB-12K,EL/ELB120, EL/ELB200,EL/ELB300,EL/ELB600,EL/ELB2000,EL/ELB3000,EL/ELB1200,FB214G,FB214,FA2204B,JA2603B,FA1004N,FA1104N,FA1604N,FA2004N,FA2104N,FA2104SN,FC104,FC204,JA1003N,JA1203N,JA2003N,JA3003N,JA5003N,JH202,JH502,JH1102,JH2102,JH3102,JH2101, JH3101,JH4102,JH5102,JH6102,JA12002,JA21002,JA31002,JA21001,JA31001,JA51001,JA61001,YP102N,YP202N,YP402N,YP502N,YP802N,YP1002N,YP601N,YP1201N,YP2001N,YP3001N,YP6001N,YP10KN,YP15KN,YP20KN,JY1002,JY2002,JY2502,JY3002,JY5002,JY2001,JY4001,JY10001,TG128,TG335,TG332A,TG328A/S,TG328B,TG528B,TG628A,TG729C,TG31B,TG51B,TG71B,TG52B,TG35B,TG55B,TG65B,TG320B,TG520B,TG630B,TG650B,DTG160,DWT-1,TL-02C,TL-1B,PZ-B-5,TW-02B,TW-05B,TW-1B,JN-B-5,JN-B-10,JN-B-25,JN-B-50,JN-B-100,JN-B-250,JN-B-500,JN-B-1000,JN-B-2500,TN-100B,HC-TP11-1,HC-TP11-2,HC-TP11-5,HC-TP11-10,HC-TP11-20,HC-TP11-50,JPT-1C,JPT-2C,JPT-5C,JPT-10C,FA-1004B,FA-1104B,FA-1604B,FA-2004B,FA-2104B,FA-1004C,FA-1104C,FA-1604C,FA-2004C,FA-2104C,JA-1003B,JA-1203B,JA-2003B,JA-3003B,JA-5003B,JA-1003P,JA-2003P,YP-1002,YP-2002,YP-3002,YP-4002, YP-5002,YP-6002,YP-10002,YP-20002,YP-30002,YP-2001,YP-4001,YP-6001,YP-8001,YP-10001,YP-16001,YP-20001,YP-30001,YP-40001,YP-50001,YP-60001,YP-80001,YP-100001,YP-150001,YP-200001,YP-1000,YP-2000,YP-3000,YP-6000,YP-10000,YP-15000,YP-20000,YP-30000,YP-40000,YP-50000,YP-60000,YP-1000001,YP-200000-5,YP-60000-10,YP-100000-10,YP-150000-10,YP-200000-10,YP-250000-20,YP-300000-20,DSJ2,DSJ5,PZ-D-5,MD-100,MD-200,FA1004,FA1104,FA1604,FA2004,FA2104,FA2104S,JA1003,JA1203,JA2003,JA3003,JA4003,,JA4103,JA5003,MP1100B,JA41002,JA50002,JA12K-1,JA16K-1,JA25K-1,JA30K-1,JA50K-5,MP1002,MP2002,MP3002,MP4002,MP5002,MP2001,MP6001,MP10001,MP12001,MP2000D,MP21001,MP31001,MP41001,MP51001,MP61001,MP2000,MP6000,MP10K,MP60K,MP100K,MP150L,MP200K,MP300K,MP3002J,MP4002J,MP5002J,YP602N,YP2000N,YP6000N,YP10K-1,YP20K-1,YP10KN,YP15KN,YP20KN,YP30KN,YP15KD,MP3KC,MP6KC,MP15KC,MP30KC,MP60KC,MP100KC,MP150KC,MP200KC,MP300KC,MP21001J,MP51001J,MP61001J,JA21002J,JA21002P,JA50002P,MA110,MA200,MP120-2,MP200A,MP200B,MP500B,MP1100B,MP2000B,MP4000B,YP1201,YP3001,YP5001,YP10K,JY-1002,JY-2002,JY-3002,JY-4002,JY-5002,JY-6002,JY-201,JY-301,JY-501,JY-601,JY-801,JY10001,JY10002,JY12002,JY20002,TG31D,YP15K-1,YP15K-05,YP20K-05,YP15K,YP20K,YP30K,YP50K-1,YP50K-2,YP60K-1,YP60K-2,YP100K-1,YP100K-2,YP100K-5,YP150K-10,YP200K-10,YP300K-20,YP500K-50,TN-100C,7SJ5KG-1,8SJ5KG-1,9SJ5KG-1,PZ-D-5,AL104,AL204,PL203,PL303,PL403,PL2002,PL3002,PL4002,PL4001,PL202-L,PL402-L,PL602-L,PL601-L,PL1001-L,PL2001-L,PL4001-L,PL6001-L,PL6000-L,ML54,ML104,ML204,ML203,ML303,ML503,ML802,ML1602,ML3002,ML4002,ML2001,ML4001,ML6001,ML203E,ML303E,ML802E,ML1502E,ML3002E,ML4002E,ML6001E,MS104S,MS204S, MS304S,MS303S,MS403S,MS603S,MS1003S,MS1602S,MS3002S,MS4002S,MS4002SDR,MS6002S,MS6002SDR,MS6001S,MS8001S,MS12001L,MS16001L,MS32001L,MS32000L,MS303SE,MS1602SE,MS3002SE,MS8001SE,MS16001LE,MS32001LE,MS32000LE,MS15KLE,MS30KLE,MS15KLIPE,MS24KLIPE,XS3DU,XS105DU,205DU,XS64,XS104,XS204,XS204DR,XS203S,XS603S,XS1003S,XS2002S,XS4002S,XS6002S,XS4001S,XS6001S,XP2U,XP6,XP26,XP26DR,XP56,XP56DR,XP205,XP105DR,XP205DR,XP204,XP504,XP204S,XP203S,XP603S,XP1203S,XP5003SDR,XP6002S,XP8002S,XP10002S,HR83,HR83P,HG63,HG63P,HB43-S,MJ33,CPA225D,CPA64,CPA124S,CPA224S,CPA324S,BT25S,BT125D,BSA124S-CW,BSA224S-CW,BSA124S,BSA224S,TE64,TE124S,TE214S,ME235S,ME235P,ME254S,ME414S,ME614S,CPA223S,CPA323S,CPA423S,CPA623S,CPA1003S,CPA1003P,CPA2202S,CPA2202S-DS,CPA3202S,CPA4202S,CPA5202S-DS,CPA6202S,CPA6202P,CPA5201,CPA8201,CPA10001,CPA12001S,CPA16001S,CPA34001S,CPA34001P,CPA34000,BSA223S-CW,BSA323S-CW,BSA423S-CW,BSA623S-CW,BSA822-CW,BSA2202S-CW,BSA3202S-CW,BSA4202S-CW,BSA6202S-CW,BSA2201-CW, BSA5201-CW,BSA8201-CW,BSA223S,BSA323S,BSA423S,BSA623S,BSA822,BSA2202S,BSA3202S,BSA4202S,BSA6202S,BSA2201,BSA5201,BSA8201,LA16001S,LA34001S,LA64001S,LA34001P,LA34000,TE313S-DS,TE1502S,TE3102S,TE212-L,TE412-L,TE612-L,TE601-L,TE2101-L,TE4101-L,TE6101-L,TE4100-L,TE6100-L,TE12000-L,CPA26P,CPA2P,ME5,ME36S,SE2,ME235P-SD,LA130S-F,ME5-F,SE2-F,CPA2P-F,DV215CD,DV114C,DV214C,DV314C,EP64C,EP114C,EP214C,EP214DC,EP213C,EP413C,EP613C,EP413DC,EP612C,EP2102C,EP4102C,EP6102C,EP4102DC,EP4101C,EP6101C,EP8101C,EP12001,EP22001,EP32001,EP12001C,EP22001C,EP32001C,CAV64C,CAV114C,CAV214C,CAV264C,CAV213C,CAV313C,CAV413C,CAV2102C,CAV3102C,CAV4102C,CAV53,CAV212,CAV412,CAV812,CAV2101,CAV4101,CAV8101,AR64CN,AR124CN,AR224CN,AR153CN,AR223CN,AR323CN,AR423CN,AR423DCN,AR522CN,AR1502CN,AR2202CN,AR3202CN,AR4202CN,AR4202DCN,AR4201CN,CP64,CP114,CP214,CP153,CP213,CP313,CP413,CP512,CP1502,CP2102,CP3102,CP4102,CP64C,CP124C,CP224C,CP153C,CP223C,CP323C,CP423C,CP522C,CP1502C,CP2202C,CP3202C,CP4202C,SPS202F,SPS402F,SPS401F,SPS601F,SPS2001F,SPS4001F,SPS6000F,SE202F,SE402F,SE602F,SE601F,SE1501F,SE2001F,SE3001F,SE6001F,SE6000F,CPJ603,CPJ1003,CPJ2003,CPJ812,CPJ2102,CPJ3102,CPJ4102,CP64,CP114,CP214,CP153,CP213,CP313,CP413,SE202F,SE402F,V31XW3CN,V31XW6CN,V31XH202CN,V31XH2CN,V31X6CN, 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