详细介绍: TPA438W、TPA438N型隔膜密封式压力变送器
概要 密封隔膜是用于防止管道中的介质直接进入压力变送器里的压力传感器组件中,它与变送器之间是靠注满流体的毛细管道连接起来的。 TPA438W、438N隔膜密封式压力变送器用来测量液体、气体和蒸汽的压力,然后输出与压力相对应的4~20mADC信号传送出去。 由于它们可与HART?275手操器系统相互进行通信,故可进行远程设定及监控。
标准技术规格 测量范围
膜盒  量程  范围    
A(注1)  0.06~3MPa 0.6~30kgf/cm2  -0.1~3MPa -1~30kgf/cm2       
TPA438W(注)  0.46~14MPa
4.6~40kgf/cm2  -0.1~14MPa
-1~140kgf/cm2    
TPA438N(注)  0.46~7MPa
4.6~70kgf/cm2  -0.1~7MPa
-1~70kgf/cm2  
b
注1:测量范围是在法兰规格内
输出信号:4~20mADC,带数字通讯的2线制
通信线路条件:
电源电压:16.4~42VDC(16.4~30VDC)负载电阻:参阅图
注:如果是本安型变送器,外部负载电阻应包
括安全栅电阻
通信距离:2km,使用CEV电缆时注:通讯距离电缆线而异负载电容:0.22μF以下
负载电感3.3mH以下与动力电缆的间距:15cm以上
连接于接收电阻上的接收仪表的输入阻抗:在2.4kHz时,为10kΩ
[在()内为本安型的数值]
精度:表2
环境温度:
-40~85℃(-40~1850F)(一般型)
-30~80℃(-22~1760F)(带数字表头型)
注:环境温度极限须在注入液工作温度范围内,见表3
环境温度变化的影响:参阅表2接液温度:参阅表1(见防爆类中“附加规格”)环境湿度:5~100%RH(40℃时)
工作压力:
2.7kpaabs(20mmHgabs)~最大测量范围值
(注:工作压力必须在法兰额定压力之内)低于大气压时参阅图
电源电压变化的影响:
±0.005%/V(21.6~32VDC,350Ω)
安装:
变送器:2-inch管道安装隔膜密封件:法兰安装
安装法兰规格
参阅“型号及规格代码一览表”
ANSI规格的法兰与垫片接触的一面,进行锯齿形加工(根据ANSIB16.5)
防水结构:
JISCO920防浸型(相当于IECIP67和NEMA4X)
防爆结构:参阅“附加规格一览表”
电气接线口:参阅“型号与规格代码一览表”
放大器外壳:铝合金铸件或者JISSUS14A不锈钢
(供选择)
涂漆:聚氨基甲酸乙烯树脂烤漆深海藓绿:(Munsell色系0.6GY3.1/2.0)
内藏显示表:LCD数字式显示表(选购件)
变送器材质:
法兰:JISSUS14A法兰螺栓:参阅“型号与规格代码一览表”
TPA438W型[法兰尺寸:2-inch(50mm,DN50)和3-inch(80mm,DN80)]
型号  规格代码  说明   TPA438W  ················  隔膜密封式压力变送器(平膜式)   输出信号  -E················  4~20mADC带数字通讯(HART协议)   测量量程(膜盒)  A·················· B·················  0.06~3MPa{0.6~30kgf/cm2} 0.46~14MPa{4.6~140kgf/cm2}   接液部分材质  S···················· H···················· T···················· U····················  [膜片][其它] JISSUS316LJISSUS316L 哈氏合金C-276哈氏合金 钽(钽) 钛钛    
 
 
法兰规格  J1··················· J2··················· J4··················· J6··················· A1··················· A2··················· A4··················· P1··················· P2··················· P4··················· D2··················· D4··················· D5··················· G2··················· G4··················· G6···················  JIS10KJIS20KJIS40KJIS63K ANSI150 ANSI300 ANSI600 JPI150 JPI300 JPI600 DINPN10/16 DINPN25/40 DINPN64 GBPN10/16(GB/T9115.1-2000)GBPN25/40(GB/T9115.1-2000)GBPN100(GB/T9115.1-2000)    
法兰尺寸/材质  A··················· B··················· C··················· D··················· E··················· F···················  2-inch(50mm)/JISS25C 2-inch(50mm)/JISSUS304 2-inch(50mm)/JISSUS316 3-inch(80mm)/S25C 3-inch(80mm)/SUS304 3-inch(80mm)/SUS316   法兰螺栓材质  A·················· B··················  JISSCM435 JISSUS630    
※
注入液   -A··············(注2 -B················· -C··············(注3 -D··············(注4 -E·················  (接液温度)(环境温度) )一般型(硅油)-10~250℃-10~60℃ 一般型(硅油)-30~180℃-15~60℃)高温型(硅油)10~300℃10~60℃)禁油型(氟油)-20~120℃-10~60℃ 低温型(乙(撑)二醇)-50~100℃-40~60℃   -  A················  通常为A   毛细管长度(m)  □□············(注5)  规定的毛细管长度从1~10m,用□□表示(例如:2m:02)   安装  -9··········  水平配管连接型,左面高压   ※
 
接线口  0·········· 2·········· 3·········· 4·········· 5·········· 7·········· 8·········· 9··········  G1/2内螺纹,1处接线口 1/2NPT内螺纹,2处接线口,不带盲塞Pg13.5内螺纹,2处接线口,不带盲塞 M20内螺纹,2处接线口,不带盲塞 G1/2内螺纹,2处接线口,带一个盲塞 1/2NPT内螺纹,两个电气接口,一个盲塞Pg13.5内螺纹,两个电气接口,一个盲塞 M20内螺纹,两个电气接口,一个盲塞    
内藏显示表
※  D·········· E·········· N··········  数字式显示表 带范围设定开关的数字式显示表 (无)   ※
2-inch管安装托架  A·········· B·········· N··········  JISSECC平托型JISSUS304平托型
(无)   例:TPA438W-EASAIAA-AA02-92NN 注1:参见GS1C22T1-CY中的HART协议版 注2:如选择接液件材质代码“T”(钽),接液温度为-10~200℃注3:不适用接液件代码“T”(钽) 注4:即使是在选用注入液代码D(氟油)的地方,如果需要对接液部分脱脂洗净处理,也要选择附加规格代码K1或K5。  注5:如选择接液件材质代码“H”(哈氏合金)、“T”(钽)、“U”(钛)或充灌液代码 “C”(高温用),毛细管长度规定为1~5m。 ※记号是指标准规格中最具有代表性的规格。  
TPA438N型[法兰尺寸:4-inch(100mm,DN100)]
型号  规格代码  说明   TPA438N  ·················  隔膜密封式压力变送器(凸膜式)   输出信号  -E················  4~20mADC带数字通讯(HART协议)(注1)   测量量程(膜盒)  A··············· B············  0.06~3MPa{0.6~30kgf/cm2}0.46~7MPa{4.6~70kgf/cm2}   接液部分材质   S··················  [隔膜][管道][其它]JISSUS316LJISSUS316JISSUS316    
 
法兰规格  J1················· J2················· J4················· A1················· A2················· P1················· P2················· D2················· D4················· G2················· G4················· G6·················  JIS10K JIS20KJIS40KANSI150 ANSI300 JPI150 JPI300 DINPN10/16 DINPN25/40 GBPN10/16(GB/T9115.1-2000)GBPN25/40(GB/T9115.1-2000)GBPN100(GB/T9115.1-2000)   隔膜凸出长度(X2)  2················ 4················ 6················  X2=50mmX2=100mmX2=150mm   ※
法兰尺寸/材质  G················ H············ J···············  4-inch(100mm,DN100)/JISS25C 4-inch(100mm,DN100)/JISSUS304 4-inch(100mm,DN100)/JISSUS316   容室法兰螺栓材质  A·················· B··················  JISSCM435 JISSUS630    
 
注入液  -A··············· -B··············· -C··············· -D·············(注 -E···············  (接液温度)(环境温度) 一般型(硅油)-10~250℃-10~60℃ 一般型(硅油)-30~180℃-15~60℃ 高温型(硅油)10~300℃10~60℃ 禁油型(氟油)-20~120℃-10~60℃ 低温型(乙(撑)二醇)-50~100℃-40~60℃   -  B··········  通常为B   毛细管长度(m)  □□·········  规定的毛细管长度从1~10m,用□□表示(例如:2m:02)   安装  -9··········  水平配管连接型,左面高压   ※
 
接线口  0·········· 2·········· 3·········· 4·········· 5·········· 7·········· 8·········· 9··········  G1/2内螺纹,1处接线口 1/2NPT内螺纹,2处接线口,不带盲塞Pg13.5内螺纹,2处接线口,不带盲塞 M20内螺纹,2处接线口,不带盲塞 G1/2内螺纹,2处接线口,带一个盲塞 1/2NPT内螺纹,两个电气接口,一个盲塞Pg13.5内螺纹,两个电气接口,一个盲塞 M20内螺纹,两个电气接口,一个盲塞    
内藏显示表
※  D·········· E·········· N··········  数字式显示表 带范围设定开关的数字式显示表
(无)   2-inch管安装托架※  A············· B············· N·············  JISSECC平托型JISSUS304平托型
(无)   例:TPA438N-EASA12GA-AB02-92NN 注1:参见GS1C22T1-CY中的HART。 注2:即使是在选用注入液代码D(氟油)的地方,如果需要对接液部分作脱脂洗净处理,也要选择附加规格代码K1进行。  注3:不适用接液件代码“T”(钽) 注3:如充灌液代码“C”(高温时),毛细管长度规定为1~5m。  
TPA438N型[法兰尺寸:3-inch(80mm,DN80)]
型号  规格代码  说明   TPA438N  ·····················  隔膜密封式压力变送器(凸出膜式)   输出信号  -E··············  4~20mADC带数字通讯(HART协议)(注1)   测量量程(膜盒)  A···················· B····················  0.06~3MPa{0.6~30kgf/cm2} 0.46~7MPa{4.6~70kgf/cm2}   接液部分材质  S····················  [隔膜][管道][其它]
JISSUS316LJISSUS316JISSUS316    
 
法兰规格  J1············· J2············· J4············· A1·············· A2············· P1············· P2·············· D2·············· D4·············· G2················ G4·············· G6··············  JIS10K JIS20KJIS40KANSI150 ANSI300 JPI150 JPI300 DINPN10/16 DINPN25/40 GBPN10/16(GB/T9115.1-2000)GBPN25/40(GB/T9115.1-2000)GBPN100(GB/T9115.1-2000)   隔膜凸出长度
(X2)  2··············· 4··············· 6···············  X2=50mmX2=100mmX2=150mm   ※
法兰尺寸/材质  D··············· E·············· F···········  3-inch(80mm)/JISS25C 3-inch(80mm)/JISSUS304 3-inch(80mm)/JISSUS316   外壳法兰螺栓材质  A·················· B··················  JISSCM435
JISSUS630    
 
注入液※   -A················ -B·················   (接液温度)(环境温度) 一般型(硅油)-10~250℃-10~60℃ 一般型(硅油)-30~180℃-15~60℃   -  B················  通常为B   毛细管长度(m)  □□···············  规定的毛细管长度从1~5m,用□□表示(例如:2m:02)   安装  -9···············  水平配管连接型,左面高压   ※
 
接线口  0··············· 2··············· 3··············· 4··············· 5··············· 7··············· 8··············· 9···············  G1/2内螺纹,1处接线口 1/2NPT内螺纹,2处接线口,不带盲塞Pg13.5内螺纹,2处接线口,不带盲塞 M20内螺纹,2处接线口,不带盲塞 G1/2内螺纹,2处接线口,带一个盲塞 1/2NPT内螺纹,两个电气接口,一个盲塞Pg13.5内螺纹,两个电气接口,一个盲塞 M20内螺纹,两个电气接口,一个盲塞    
内藏显示表
※  D·············· E·············· N··············  数字式显示表 带范围设定开关的数字式显示表 (无)   ※
2-inch管安装托架  A············· B············· N·············  JISSECC平托型JISSUS304平托型
(无)  
例:TPA438N-EASA12DA-AB02-92NN 注1:参见GS1C22T1-CY中的HART协议版
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