| English | |
WR口工业热电偶与显示仪表配套，在-200~1600℃范围内对气体、液体以及固体表面温度进行检测，广泛应用于航空、原子能、石油、化工、治金、机械等工业部门和科技领域。
工业热电偶通常由按线盒、保护管、绝缘瓷管、热电极和安装固定装置组成，其结构见图。
● 主要特点：测量范围大、使用寿命长、安装使用方便。
● 主要技术指标：
工业热电偶种类及允差等级(参比端为0℃)
品种 |
型号 |
分度号 |
Ⅰ级 |
Ⅱ级 |
Ⅲ级 |
执行标准 |
|||
测温范围℃ |
允差℃ |
测温范围℃ |
允差℃ |
测温范围℃ |
允差℃ |
||||
镍铬-镍硅 |
WRK |
K |
-40~1100 |
±1.5或 |
-40~1200 |
±2.5或 |
-200~40 |
±2.5或±1.5％t |
JB/T9238-1999 |
镍络硅-镍硅 |
WRN |
N |
-40~1100 |
-40~1300 |
-200~40 |
||||
镍络-康铜 |
WRE |
E |
-40~800 |
-40~900 |
/ |
||||
铁-康铜 |
WRJ |
J |
-40~750 |
-40~750 |
-200~40 |
||||
铜-康铜 |
WRT |
T |
-40~350 |
±1.5或 |
-40~350 |
±1.0或 |
/ |
/ |
|
铂铑10-铂 |
WRS |
S |
0~1100 |
±1.0或 |
0~1600 |
±1.5或 |
/ |
||
铂铑13-铂 |
WRR |
R |
0~1100 |
0~1600 |
/ |
||||
铂铑30-铂铑6 |
WRB |
B |
／ |
／ |
600~1700 |
600-1700 |
±4.0或 |
||
保护管直径、长度及插入深度 mm
Φ16(单层管) |
Φ20 |
Φ25(双层管) |
锥形管 |
||||
总长 |
插入深度 |
总长 |
插入深度 |
总长 |
插入深度 |
总长 |
插入深度 |
225 |
75 |
225 |
75 |
/ |
/ |
225 |
75 |
250 |
100 |
250 |
100 |
/ |
/ |
250 |
100 |
300 |
150 |
300 |
150 |
/ |
/ |
300 |
150 |
350 |
200 |
350 |
200 |
/ |
/ |
350 |
200 |
400 |
250 |
400 |
250 |
400 |
250 |
400 |
250 |
450 |
300 |
450 |
300 |
450 |
300 |
450 |
300 |
500 |
350 |
500 |
350 |
500 |
350 |
500 |
350 |
550 |
400 |
550 |
400 |
550 |
400 |
550 |
400 |
650 |
500 |
650 |
500 |
650 |
500 |
/ |
/ |
900 |
750 |
900 |
750 |
900 |
750 |
/ |
/ |
1150 |
1000 |
1150 |
1000 |
1150 |
1000 |
/ |
/ |
1650 |
1500 |
1650 |
1500 |
1650 |
1500 |
/ |
/ |
2150 |
2000 |
2150 |
2000 |
2150 |
2000 |
/ |
/ |
2650 |
2500 |
2650 |
2500 |
/ |
/ |
/ |
/ |
说明：·插入深度I＝L－L0，L－总长，L0―保护管外露长度，可取100、150、200、250mm，通常取150mm；
插座式接线盒L0可取30、50、100mm，通常取100mm。
·Φ16金属保护管总长无2650mm这一长度，其它规格协商供货。
● 常温绝缘电阻
长度 |
常温绝缘电阻 |
试验电压 |
L≤1m |
100MΩ |
500±50V |
L>1m |
100 MΩ·m |
●工业热电偶上限温度绝缘电阻
上限温度 |
试验温度 |
绝缘电阻 |
100≤tm＜300 |
t=tm |
10 |
300≤tm＜500 |
t=tm |
2 |
500≤tm＜850 |
t=tm |
0.5 |
850≤tm＜1000 |
t=tm |
0.08 |
1000≤tm＜1300 |
t=tm |
0.02 |
tm≥1300 |
t=1300 |
0.02 |
● 工业热电偶的热响应时间
保护管 |
热响应时间s |
||
代号 |
外径mm |
金属管 |
非金属管 |
0 |
Φ16 |
≤180 |
／ |
1 |
Φ20 |
≤240 |
/ |
2 |
Φ16 |
／ |
≤240 |
3 |
Φ25 |
／ |
≤300(双层) |
|
锥形管 |
≤300 |
／ |
● 工业热电偶保护管种类
代号 |
通 用 型 |
特 殊 型 |
||||||||
A |
B |
C |
Q |
R |
F |
G |
H |
I |
||
材质 |
20#碳钢 |
1Cr18Ni9Ti |
Cr25Ti |
高铝质 |
刚玉质 |
MoSi2 |
钼管 |
耐热合金 |
耐蚀合金 |
|
适用温度℃ |
-100~500 |
-200~900 |
-40~1000 |
0~1300 |
0~1600 |
0~1600 |
0~2300 |
≤1300 |
≤900 |
|
配用偶丝 |
K,N,E,J,T |
K,N,S,R |
B,WRe3/25 |
S,R,B,WRe3/25 |
K,N,S,R |
K,N,E,J,T |
||||
备注 |
通常用1Cr18Ni9Ti |
协议供货 |
||||||||
● 安装固定型式
代 |
名称 |
结构图 |
尺 寸 mm |
保护管 |
压力 |
||||||
M |
H |
S |
DO |
直径mm |
材质 |
Mpa |
|||||
2 |
固定螺纹 |
|
M27×2 |
32 |
32 |
Φ40 |
Φ16 |
1Cr18Ni9Ti |
≤10.0 |
||
M33×2 |
35 |
36 |
Φ48 |
Φ20 |
20#碳钢 |
≤1.0 |
|||||
6 |
锥形固定螺纹 |
|
M33×2 |
33 |
36 |
Φ48 |
锥形 |
1Cr18Ni9Ti |
≤15.0 |
||
|
|
|
|
|
|
|
|
|
|||
|
|
|
D1 |
D2 |
D0 |
d0 |
H |
h |
|
|
|
3 |
活动法兰 |
|
Φ70 |
Φ54 |
|
Φ6 |
|
|
Φ16 |
|
常压 |
|
|
|
|
|
Φ20 |
|
|||||
4 |
固定法兰 |
|
Φ65 |
Φ95 |
Φ45 |
Φ14 |
19 |
3 |
Φ16 |
1Cr18Ni9Ti |
≤6.0 |
Φ40 |
Φ40 |
Φ40 |
Φ20 |
20#碳钢 |
≤1.0 |
||||||
● 工业热电偶型号规格
铂铑10－铂热电偶，分度号：S，测温范围0~1600℃；
铂铑13－铂热电偶，分度号：R，测温范围0~1600℃；
铂铑30－铂6热电偶，分度号：B，测温范围0~1800℃。
工业铂铑10-铂、铂铑13-铂、铂铑30-铂6热电偶
热电偶型号 |
热电偶丝 |
固定装置 |
接线盒 |
保护管 |
响应时间s |
压力Mpa |
|||||
直径 |
材质 |
无固定装置 |
活动法兰 |
防溅型 |
防水型 |
Φ16 |
Φ25 |
材质 |
|||
WRS-121 |
Φ0.5 |
PtRh10-Pt |
○ |
|
○ |
|
○ |
|
高铝质 |
＜150 |
常压 |
WRS-123 |
○ |
|
○ |
|
|
○ |
＜360 |
||||
WRS2-131 |
○ |
|
|
○ |
○ |
|
＜150 |
||||
WRS2-133 |
○ |
|
|
○ |
|
○ |
＜360 |
||||
WRR-121 |
Φ0.5 |
PtRh13-Pt |
○ |
|
○ |
|
○ |
|
刚玉管 |
＜150 |
常压 |
WRR-123 |
○ |
|
○ |
|
|
○ |
＜360 |
||||
WRR2-131 |
○ |
|
|
○ |
○ |
|
＜150 |
||||
WRR2-133 |
○ |
|
|
○ |
|
○ |
＜360 |
||||
WRB-121 |
Φ0.5 |
PtRh30-Pt |
○ |
|
○ |
|
○ |
|
刚玉管 |
＜150 |
常压 |
WRB-123 |
○ |
|
○ |
|
|
○ |
＜360 |
||||
WRB2-131 |
○ |
|
|
○ |
○ |
|
＜150 |
||||
WRB2-133 |
○ |
|
|
○ |
|
○ |
＜360 |
||||
● 镍铬－镍硅热电偶 分度号：K 测温范围：－40~1000℃
工业镍铬－镍铬热电偶
热电偶 型 号 WRK WRK2 |
固 定 装 置 |
接 线 盒 |
保 护 管 |
热响应时间s |
耐压 |
||||||||||||
无固定装置 |
固定螺纹 |
活动法兰 |
固定 |
900角固定法兰 |
锥形固定螺纹 |
防溅型 |
防水型 |
隔爆型 |
Φ16 |
Φ20 |
Φ16 |
Φ25 |
锥形 |
材 质 |
<90 |
常压 |
|
1 |
2 |
3 |
4 |
5 |
6 |
2 |
3 |
4 |
0 |
1 |
2 |
3 |
|||||
-120 |
○ |
|
|
|
|
|
○ |
|
|
○ |
|
|
|
|
1Cr18Mi9Ti |
<90 |
常压 |
-121 |
○ |
|
|
|
|
|
○ |
|
|
|
○ |
|
|
|
1Cr18Mi9Ti |
<90 |
常压 |
-122 |
○ |
|
|
|
|
|
○ |
|
|
|
|
○ |
|
|
高铝管 |
<150 |
常压 |
-123 |
○ |
|
|
|
|
|
○ |
|
|
|
|
|
○ |
|
高铝管 |
<360 |
常压 |
-130 |
○ |
|
|
|
|
|
|
○ |
|
○ |
|
|
|
|
1Cr18Mi9Ti |
<90 |
常压 |
-131 |
○ |
|
|
|
|
|
|
○ |
|
|
○ |
|
|
|
1Cr18Mi9Ti |
<90 |
常压 |
-132 |
○ |
|
|
|
|
|
|
○ |
|
|
|
○ |
|
|
高铝管 |
<150 |
常压 |
-133 |
○ |
|
|
|
|
|
|
○ |
|
|
|
|
○ |
|
高铝管 |
<360 |
常压 |
-220 |
|
○ |
|
|
|
|
○ |
|
|
○ |
|
|
|
|
1Cr18Mi9Ti |
<90 |
<10 |
-221 |
|
○ |
|
|
|
|
○ |
|
|
|
○ |
|
|
|
1Cr18Mi9Ti |
<90 |
<10 |
-230 |
|
○ |
|
|
|
|
|
○ |
|
○ |
|
|
|
|
1Cr18Mi9Ti |
<90 |
<10 |
-231 |
|
○ |
|
|
|
|
|
○ |
|
|
○ |
|
|
|
1Cr18Mi9Ti |
<90 |
<10 |
-320 |
|
|
○ |
|
|
|
○ |
|
|
○ |
|
|
|
|
1Cr18Mi9Ti |
<90 |
常压 |
-321 |
|
|
○ |
|
|
|
○ |
|
|
|
○ |
|
|
|
1Cr18Mi9Ti |
<90 |
常压 |
-330 |
|
|
○ |
|
|
|
|
○ |
|
○ |
|
|
|
|
1Cr18Mi9Ti |
<90 |
常压 |
-331 |
|
|
○ |
|
|
|
|
○ |
|
|
○ |
|
|
|
1Cr18Mi9Ti |
<90 |
常压 |
-420 |
|
|
|
○ |
|
|
○ |
|
|
○ |
|
|
|
|
1Cr18Mi9Ti |
<90 |
<6.4 |
-421 |
|
|
|
○ |
|
|
○ |
|
|
|
○ |
|
|
|
1Cr18Mi9Ti |
<90 |
<6.4 |
-430 |
|
|
|
○ |
|
|
|
○ |
|
○ |
|
|
|
|
1Cr18Mi9Ti |
<90 |
<6.4 |
-431 |
|
|
|
○ |
|
|
|
○ |
|
|
○ |
|
|
|
1Cr18Mi9Ti |
<90 |
<6.4 |
-520 |
|
|
|
|
○ |
|
○ |
|
|
○ |
|
|
|
|
1Cr18Mi9Ti |
<90 |
常压 |
-521 |
|
|
|
|
○ |
|
○ |
|
|
|
○ |
|
|
|
1Cr18Mi9Ti |
<90 |
常压 |
-530 |
|
|
|
|
○ |
|
|
○ |
|
○ |
|
|
|
|
1Cr18Mi9Ti |
<90 |
常压 |
-531 |
|
|
|
|
○ |
|
|
○ |
|
|
○ |
|
|
|
1Cr18Mi9Ti |
<90 |
常压 |
-620 |
|
|
|
|
|
○ |
○ |
|
|
|
|
|
|
○ |
1Cr18Mi9Ti |
<90 |
<30 |
-630 |
|
|
|
|
|
○ |
|
○ |
|
|
|
|
|
○ |
1Cr18Mi9Ti |
<90 |
<30 |
说明：·热电偶丝直径为Φ2.5mm和Φ3.2mm两种规格；
热电偶丝材质为NiCr-NiSi。
● 镍铬－康铜热电偶 分度号：E 测温范围：-40~900℃
工业镍铬－康铜热电偶
热电偶 |
固定装置 |
接线盒 |
保护管 |
热响应时间s |
耐压 MPa |
||||||||||||
无固定装置 |
固定螺纹 |
活动法兰 |
固定 |
900角固定法兰 |
锥形固定螺纹 |
防溅型 |
防水型 |
隔爆型 |
Φ16 |
Φ20 |
Φ16 |
Φ25 |
锥形 |
材 质 |
|||
1 |
2 |
3 |
4 |
5 |
6 |
2 |
3 |
4 |
0 |
1 |
2 |
3 |
|||||
-120 |
○ |
|
|
|
|
|
○ |
|
|
○ |
|
|
|
|
1Cr18Mi9Ti |
<90 |
常压 |
-121 |
○ |
|
|
|
|
|
○ |
|
|
|
○ |
|
|
|
1Cr18Mi9Ti |
<90 |
常压 |
-130 |
○ |
|
|
|
|
|
|
○ |
|
○ |
|
|
|
|
1Cr18Mi9Ti |
<90 |
常压 |
-131 |
○ |
|
|
|
|
|
|
○ |
|
|
○ |
|
|
|
1Cr18Mi9Ti |
<90 |
常压 |
-220 |
|
○ |
|
|
|
|
○ |
|
|
○ |
|
|
|
|
1Cr18Mi9Ti |
<90 |
<10 |
-221 |
|
○ |
|
|
|
|
○ |
|
|
|
○ |
|
|
|
1Cr18Mi9Ti |
<90 |
<10 |
-230 |
|
○ |
|
|
|
|
|
○ |
|
○ |
|
|
|
|
1Cr18Mi9Ti |
<90 |
<10 |
-231 |
|
○ |
|
|
|
|
|
○ |
|
|
○ |
|
|
|
1Cr18Mi9Ti |
<90 |
<10 |
-320 |
|
|
○ |
|
|
|
○ |
|
|
○ |
|
|
|
|
1Cr18Mi9Ti |
<90 |
常压 |
-321 |
|
|
○ |
|
|
|
○ |
|
|
|
○ |
|
|
|
1Cr18Mi9Ti |
<90 |
常压 |
-330 |
|
|
○ |
|
|
|
|
○ |
|
○ |
|
|
|
|
1Cr18Mi9Ti |
<90 |
常压 |
-331 |
|
|
○ |
|
|
|
|
○ |
|
|
○ |
|
|
|
1Cr18Mi9Ti |
<90 |
常压 |
-420 |
|
|
|
○ |
|
|
○ |
|
|
○ |
|
|
|
|
1Cr18Mi9Ti |
<90 |
<6.4 |
-421 |
|
|
|
○ |
|
|
○ |
|
|
|
○ |
|
|
|
1Cr18Mi9Ti |
<90 |
<6.4 |
-430 |
|
|
|
○ |
|
|
|
○ |
|
○ |
|
|
|
|
1Cr18Mi9Ti |
<90 |
<6.4 |
-431 |
|
|
|
○ |
|
|
|
○ |
|
|
○ |
|
|
|
1Cr18Mi9Ti |
<90 |
<6.4 |
-520 |
|
|
|
|
○ |
|
○ |
|
|
○ |
|
|
|
|
1Cr18Mi9Ti |
<90 |
常压 |
-521 |
|
|
|
|
○ |
|
○ |
|
|
|
○ |
|
|
|
1Cr18Mi9Ti |
<90 |
常压 |
-530 |
|
|
|
|
○ |
|
|
○ |
|
○ |
|
|
|
|
1Cr18Mi9Ti |
<90 |
常压 |
-531 |
|
|
|
|
○ |
|
|
○ |
|
|
○ |
|
|
|
1Cr18Mi9Ti |
<90 |
常压 |
-620 |
|
|
|
|
|
○ |
○ |
|
|
|
|
|
|
○ |
1Cr18Mi9Ti |
<90 |
<30 |
-630 |
|
|
|
|
|
○ |
|
○ |
|
|
|
|
|
○ |
1Cr18Mi9Ti |
<90 |
<30 |
说明：·热电偶丝直径为Φ2.5mm和Φ3.2mm两种规格；
·热电偶丝材质为NiCr-CuNi。
● 镍铬硅－镍硅热电偶 分度号：N 测温度：-40~1300℃
工业镍铬硅－镍硅热电偶
热电偶 |
固定装置 |
接线盒 |
保护管 |
热响应时间s |
耐压 |
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无固定装置 |
固定螺纹 |
活动法兰 |
固定 |
900角固定法兰 |
锥形固定螺纹 |
防溅型 |
防水型 |
隔爆型 |
Φ16 |
Φ20 |
Φ16 |
Φ25 |
锥形 |
材 质 |
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1 |
2 |
3 |
4 |
5 |
6 |
2 |
3 |
4 |
0 |
1 |
2 |
3 |
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-120 |
○ |
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○ |
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○ |
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1Cr18Mi9Ti |
<90 |
常压 |
-121 |
○ |
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○ |
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○ |
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1Cr18Mi9Ti |
<90 |
常压 |
-122 |
○ |
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○ |
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○ |
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高铝管 |
<150 |
常压 |
-123 |
○ |
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○ |
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○ |
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高铝管 |
<360 |
常压 |
-130 |
○ |
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○ |
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○ |
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1Cr18Mi9Ti |
<90 |
常压 |
-131 |
○ |
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○ |
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○ |
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1Cr18Mi9Ti |
<90 |
常压 |
-132 |
○ |
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○ |
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○ |
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高铝管 |
<150 |
常压 |
-133 |
○ |
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○ |
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○ |
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高铝管 |
<360 |
常压 |
-220 |
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○ |
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○ |
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○ |
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1Cr18Mi9Ti |
<90 |
<10 |
-221 |
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○ |
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○ |
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○ |
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1Cr18Mi9Ti |
<90 |
<10 |
-230 |
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○ |
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○ |
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○ |
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1Cr18Mi9Ti |
<90 |
<10 |
-231 |
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○ |
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○ |
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○ |
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1Cr18Mi9Ti |
<90 |
<10 |
-320 |
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○ |
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○ |
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○ |
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1Cr18Mi9Ti |
<90 |
常压 |
-321 |
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○ |
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○ |
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○ |
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1Cr18Mi9Ti |
<90 |
常压 |
-330 |
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○ |
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○ |
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○ |
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1Cr18Mi9Ti |
<90 |
常压 |
-331 |
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○ |
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○ |
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○ |
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1Cr18Mi9Ti |
<90 |
常压 |
-420 |
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○ |
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○ |
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○ |
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1Cr18Mi9Ti |
<90 |
<6.4 |
-421 |
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○ |
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○ |
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○ |
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1Cr18Mi9Ti |
<90 |
<6.4 |
-430 |
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○ |
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○ |
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○ |
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1Cr18Mi9Ti |
<90 |
<6.4 |
-431 |
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○ |
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○ |
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○ |
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1Cr18Mi9Ti |
<90 |
<6.4 |
-520 |
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○ |
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○ |
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○ |
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1Cr18Mi9Ti |
<90 |
常压 |
-521 |
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○ |
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○ |
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○ |
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1Cr18Mi9Ti |
<90 |
常压 |
-530 |
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○ |
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○ |
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○ |
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1Cr18Mi9Ti |
<90 |
常压 |
-531 |
|
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○ |
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○ |
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○ |
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1Cr18Mi9Ti |
<90 |
常压 |
-620 |
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○ |
○ |
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○ |
1Cr18Mi9Ti |
<90 |
<30 |
-630 |
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○ |
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○ |
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○ |
1Cr18Mi9Ti |
<90 |
<30 |
说明：·热电偶丝直径为Φ2.5mm和Φ3.2mm两种规格；
·热电偶丝材质为NiCrSi-NiSiMg。
