WR □ industrial thermocouples supporting with display devices to test surface temperature of gas, liquid and solid at -200 ~ 1600 ℃, is widely used in aviation, atomic energy, petroleum, chemical, metallurgical, machinery and other industrial sectors, science and technology field.
Industrial Thermocouple is usually composed by terminal box, protection tube, ceramic insulation pipe, thermal electrode and installation of fixture, its structure shown in Figure.
■Main Features: wide measuring range, long life, easy to install.
■Main technical indexs:
Industrial thermocouple types and tolerance (the reference side of 0 ℃)
Variety |
Type |
Grade |
Ⅰ |
Ⅱ |
Ⅲ |
Stanfards |
|||
Temperature range℃ |
Tolerance ℃ |
Temperature range℃ |
Tolerance ℃ |
Temperature range℃ |
Tolerance ℃ |
||||
Nicr-Nisi |
WRK |
K |
-40~1100 |
±1.5 or |
-40~1200 |
±2.5 or |
-200~40 |
±2.5 or±1.5％t |
JB/T9238-1999 |
Nicrsi-Nisi |
WRN |
N |
-40~1100 |
-40~1300 |
-200~40 |
||||
Nicr-CuNi |
WRE |
E |
-40~800 |
-40~900 |
/ |
||||
Fe-CuNi |
WRJ |
J |
-40~750 |
-40~750 |
-200~40 |
||||
Cu-CuNi |
WRT |
T |
-40~350 |
±1.5 or |
-40~350 |
±1.0 or |
/ |
/ |
|
PtRh10-Pt |
WRS |
S |
0~1100 |
±1.0 or |
0~1600 |
±1.5 or |
/ |
||
PtRh13-Pt |
WRR |
R |
0~1100 |
0~1600 |
/ |
||||
PtRh30- |
WRB |
B |
／ |
／ |
600~1700 |
600-1700 |
±4.0 or |
||
Protection tube diameter, length and insertion depth mm
Φ16(Single wall) |
Φ20 |
Φ25(Double walls) |
Conic tube |
||||
Total length |
Insert |
Total length |
Insert depth |
Total length |
Insert |
total length |
Insert |
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 |
/ |
/ |
/ |
/ |
Description: • Insert depth I = L-L0, L-length, L0-protection tube exposed length, 100,150,200,250 mm, usually take 150mm; socket junction box L0 = 30,50,100 mm, usually take 100mm .
• Φ16 metal protection tube length except the length of 2650mm, and other specifications in consultation supply.
● Normal insulation resistance
Length |
Normal insulation resistance |
Test voltage |
L≤1m |
100MΩ |
500±50V |
L>1m |
100 MΩ·m |
●Industrial thermocouple the upper limit temperature insulation resistance
The upper limit temperature
|
Test temperature |
Insulation resistance |
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 |
● Industrial thermocouple thermal response time
Protection tube |
Thermal response time |
||
Number |
Outer diameter mm |
Metal tube |
Non-metal tube |
0 |
Φ16 |
≤180 |
／ |
1 |
Φ20 |
≤240 |
/ |
2 |
Φ16 |
／ |
≤240 |
3 |
Φ25 |
／ |
≤300(double walls) |
|
conic tube |
≤300 |
／ |
● Industrial thermocouple protection tube type
Variety |
General type |
Special type |
||||||||
A |
B |
C |
Q |
R |
F |
G |
H |
I |
||
Material |
20# carbon steel |
1Cr18Ni9Ti |
Cr25Ti |
high alumina |
corundum |
MoSi2 |
Mo tube |
heat-resistant alloy |
corrosion resistant alloy |
|
Applicable temperature℃ |
-100~500 |
-200~900 |
-40~1000 |
0~1300 |
0~1600 |
0~1600 |
0~2300 |
≤1300 |
≤900 |
|
Adapted wire |
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 |
||||
Remark |
General type 1Cr18Ni9Ti |
Agreemen supply |
||||||||
● Fixed type
No. |
Product |
Formal schema |
Size mm |
Protection tube |
Pressure |
||||||
M |
H |
S |
DO |
Dia mm |
Material |
Mpa |
|||||
2 |
Fixed thread |
|
M27×2 |
32 |
32 |
Φ40 |
Φ16 |
1Cr18Ni9Ti |
≤10.0 |
||
M33×2 |
35 |
36 |
Φ48 |
Φ20 |
20# carbon steel |
≤1.0 |
|||||
6 |
Conic fixed thread |
|
M33×2 |
33 |
36 |
Φ48 |
cone |
1Cr18Ni9Ti |
≤15.0 |
||
|
|
|
|
|
|
|
|
|
|||
|
|
|
D1 |
D2 |
D0 |
d0 |
H |
h |
|
|
|
3 |
Active flange |
|
Φ70 |
Φ54 |
|
Φ6 |
|
|
Φ16 |
|
normal pressure |
|
|
|
|
|
Φ20 |
|
|||||
4 |
Fixed flange |
|
Φ65 |
Φ95 |
Φ45 |
Φ14 |
19 |
3 |
Φ16 |
1Cr18Ni9Ti |
≤6.0 |
Φ40 |
Φ40 |
Φ40 |
Φ20 |
20# carbon steel |
≤1.0 |
||||||
● Industrial thermocouple specification
PtRh10－Pt thermocouple，graduation mark：S，temperature range 0~1600℃；
PtRh13－Pt thermocouple，graduation mark：R，temperature range 0~1600℃；
PtRh 30－Pt 6 thermocouple，graduation mark：B，temperature range 0~1800℃。
Industrial PtRh10-Pt、PtRh 13-Pt、PtRh 30-Pt6 thermocouple
Thermocouple |
Thermocouple |
Fixed device |
Junction box |
Pretection tube |
Response time |
Pressure Mpa |
|||||
dia |
material |
non-fixed |
active flange |
splash |
water |
Φ16 |
Φ25 |
material |
|||
WRS-121 |
Φ0.5 |
PtRh10-Pt |
○ |
|
○ |
|
○ |
|
high-alumina |
＜150 |
normal pressure |
WRS-123 |
○ |
|
○ |
|
|
○ |
＜360 |
||||
WRS2-131 |
○ |
|
|
○ |
○ |
|
＜150 |
||||
WRS2-133 |
○ |
|
|
○ |
|
○ |
＜360 |
||||
WRR-121 |
Φ0.5 |
PtRh13-Pt |
○ |
|
○ |
|
○ |
|
corundum tube |
＜150 |
normal pressure |
WRR-123 |
○ |
|
○ |
|
|
○ |
＜360 |
||||
WRR2-131 |
○ |
|
|
○ |
○ |
|
＜150 |
||||
WRR2-133 |
○ |
|
|
○ |
|
○ |
＜360 |
||||
WRB-121 |
Φ0.5 |
PtRh30-Pt |
○ |
|
○ |
|
○ |
|
corundum tube |
＜150 |
normal pressure |
WRB-123 |
○ |
|
○ |
|
|
○ |
＜360 |
||||
WRB2-131 |
○ |
|
|
○ |
○ |
|
＜150 |
||||
WRB2-133 |
○ |
|
|
○ |
|
○ |
＜360 |
||||
● NiCr-NiSi thermocouple graduation mark：K temperature range：－40~1000℃
Industrial NiCr-NiCr thermocouple
Variety |
Fixed device |
Junction box |
Pretection tube |
Response time |
Anti-pressure Mpa |
||||||||||||
non-fixed device |
fixed |
active flange |
fixed |
900 fixed |
conicfixed |
splash |
water |
flame |
Φ16 |
Φ20 |
Φ16 |
Φ25 |
cone |
material |
<90 |
normal pressure |
|
1 |
2 |
3 |
4 |
5 |
6 |
2 |
3 |
4 |
0 |
1 |
2 |
3 |
|||||
-120 |
○ |
|
|
|
|
|
○ |
|
|
○ |
|
|
|
|
1Cr18Mi9Ti |
<90 |
normal pressure |
-121 |
○ |
|
|
|
|
|
○ |
|
|
|
○ |
|
|
|
1Cr18Mi9Ti |
<90 |
normal pressure |
-122 |
○ |
|
|
|
|
|
○ |
|
|
|
|
○ |
|
|
high-alumina |
<150 |
normal pressure |
-123 |
○ |
|
|
|
|
|
○ |
|
|
|
|
|
○ |
|
high-alumina |
<360 |
normal pressure |
-130 |
○ |
|
|
|
|
|
|
○ |
|
○ |
|
|
|
|
1Cr18Mi9Ti |
<90 |
normal pressure |
-131 |
○ |
|
|
|
|
|
|
○ |
|
|
○ |
|
|
|
1Cr18Mi9Ti |
<90 |
normal pressure |
-132 |
○ |
|
|
|
|
|
|
○ |
|
|
|
○ |
|
|
high-alumina |
<150 |
normal pressure |
-133 |
○ |
|
|
|
|
|
|
○ |
|
|
|
|
○ |
|
high-alumina |
<360 |
normal pressure |
-220 |
|
○ |
|
|
|
|
○ |
|
|
○ |
|
|
|
|
1Cr18Mi9Ti |
<90 |
<10 |
-221 |
|
○ |
|
|
|
|
○ |
|
|
|
○ |
|
|
|
1Cr18Mi9Ti |
<90 |
<10 |
-230 |
|
○ |
|
|
|
|
|
○ |
|
○ |
|
|
|
|
1Cr18Mi9Ti |
<90 |
<10 |
-231 |
|
○ |
|
|
|
|
|
○ |
|
|
○ |
|
|
|
1Cr18Mi9Ti |
<90 |
<10 |
-320 |
|
|
○ |
|
|
|
○ |
|
|
○ |
|
|
|
|
1Cr18Mi9Ti |
<90 |
normal pressure |
-321 |
|
|
○ |
|
|
|
○ |
|
|
|
○ |
|
|
|
1Cr18Mi9Ti |
<90 |
normal pressure |
-330 |
|
|
○ |
|
|
|
|
○ |
|
○ |
|
|
|
|
1Cr18Mi9Ti |
<90 |
normal pressure |
-331 |
|
|
○ |
|
|
|
|
○ |
|
|
○ |
|
|
|
1Cr18Mi9Ti |
<90 |
normal pressure |
-420 |
|
|
|
○ |
|
|
○ |
|
|
○ |
|
|
|
|
1Cr18Mi9Ti |
<90 |
<6.4 |
-421 |
|
|
|
○ |
|
|
○ |
|
|
|
○ |
|
|
|
1Cr18Mi9Ti |
<90 |
<6.4 |
-430 |
|
|
|
○ |
|
|
|
○ |
|
○ |
|
|
|
|
1Cr18Mi9Ti |
<90 |
<6.4 |
-431 |
|
|
|
○ |
|
|
|
○ |
|
|
○ |
|
|
|
1Cr18Mi9Ti |
<90 |
<6.4 |
-520 |
|
|
|
|
○ |
|
○ |
|
|
○ |
|
|
|
|
1Cr18Mi9Ti |
<90 |
normal pressure |
-521 |
|
|
|
|
○ |
|
○ |
|
|
|
○ |
|
|
|
1Cr18Mi9Ti |
<90 |
normal pressure |
-530 |
|
|
|
|
○ |
|
|
○ |
|
○ |
|
|
|
|
1Cr18Mi9Ti |
<90 |
normal pressure |
-531 |
|
|
|
|
○ |
|
|
○ |
|
|
○ |
|
|
|
1Cr18Mi9Ti |
<90 |
normal pressure |
-620 |
|
|
|
|
|
○ |
○ |
|
|
|
|
|
|
○ |
1Cr18Mi9Ti |
<90 |
<30 |
-630 |
|
|
|
|
|
○ |
|
○ |
|
|
|
|
|
○ |
1Cr18Mi9Ti |
<90 |
<30 |
Description: • Thermocouple wire specifications are Φ2.5mm and Φ3.2mm;
• Thermocouple wire material is NiCr-NiSi.
● NiCr-constantan thermocouple graduation mark：E temperature range：-40~900℃
Industrial NiCr-constantan thermocouple
Variety WRE |
Fixed device |
Junction box |
Pretection tube |
Response time |
Anti-pressure Mpa |
||||||||||||
non-fixed device |
fixed |
active flange |
fixed |
900 fixed |
conicfixed |
splash |
water |
flame |
Φ16 |
Φ20 |
Φ16 |
Φ25 |
cone |
material |
|||
1 |
2 |
3 |
4 |
5 |
6 |
2 |
3 |
4 |
0 |
1 |
2 |
3 |
|||||
-120 |
○ |
|
|
|
|
|
○ |
|
|
○ |
|
|
|
|
1Cr18Mi9Ti |
<90 |
normal pressure |
-121 |
○ |
|
|
|
|
|
○ |
|
|
|
○ |
|
|
|
1Cr18Mi9Ti |
<90 |
normal pressure |
-130 |
○ |
|
|
|
|
|
|
○ |
|
○ |
|
|
|
|
1Cr18Mi9Ti |
<90 |
normal pressure |
-131 |
○ |
|
|
|
|
|
|
○ |
|
|
○ |
|
|
|
1Cr18Mi9Ti |
<90 |
normal pressure |
-220 |
|
○ |
|
|
|
|
○ |
|
|
○ |
|
|
|
|
1Cr18Mi9Ti |
<90 |
<10 |
-221 |
|
○ |
|
|
|
|
○ |
|
|
|
○ |
|
|
|
1Cr18Mi9Ti |
<90 |
<10 |
-230 |
|
○ |
|
|
|
|
|
○ |
|
○ |
|
|
|
|
1Cr18Mi9Ti |
<90 |
<10 |
-231 |
|
○ |
|
|
|
|
|
○ |
|
|
○ |
|
|
|
1Cr18Mi9Ti |
<90 |
<10 |
-320 |
|
|
○ |
|
|
|
○ |
|
|
○ |
|
|
|
|
1Cr18Mi9Ti |
<90 |
normal pressure |
-321 |
|
|
○ |
|
|
|
○ |
|
|
|
○ |
|
|
|
1Cr18Mi9Ti |
<90 |
normal pressure |
-330 |
|
|
○ |
|
|
|
|
○ |
|
○ |
|
|
|
|
1Cr18Mi9Ti |
<90 |
normal pressure |
-331 |
|
|
○ |
|
|
|
|
○ |
|
|
○ |
|
|
|
1Cr18Mi9Ti |
<90 |
normal pressure |
-420 |
|
|
|
○ |
|
|
○ |
|
|
○ |
|
|
|
|
1Cr18Mi9Ti |
<90 |
<6.4 |
-421 |
|
|
|
○ |
|
|
○ |
|
|
|
○ |
|
|
|
1Cr18Mi9Ti |
<90 |
<6.4 |
-430 |
|
|
|
○ |
|
|
|
○ |
|
○ |
|
|
|
|
1Cr18Mi9Ti |
<90 |
<6.4 |
-431 |
|
|
|
○ |
|
|
|
○ |
|
|
○ |
|
|
|
1Cr18Mi9Ti |
<90 |
<6.4 |
-520 |
|
|
|
|
○ |
|
○ |
|
|
○ |
|
|
|
|
1Cr18Mi9Ti |
<90 |
normal pressure |
-521 |
|
|
|
|
○ |
|
○ |
|
|
|
○ |
|
|
|
1Cr18Mi9Ti |
<90 |
normal pressure |
-530 |
|
|
|
|
○ |
|
|
○ |
|
○ |
|
|
|
|
1Cr18Mi9Ti |
<90 |
normal pressure |
-531 |
|
|
|
|
○ |
|
|
○ |
|
|
○ |
|
|
|
1Cr18Mi9Ti |
<90 |
normal pressure |
-620 |
|
|
|
|
|
○ |
○ |
|
|
|
|
|
|
○ |
1Cr18Mi9Ti |
<90 |
<30 |
-630 |
|
|
|
|
|
○ |
|
○ |
|
|
|
|
|
○ |
1Cr18Mi9Ti |
<90 |
<30 |
Description: • Thermocouple wire diameter specifications are Φ2.5mm and Φ3.2mm;
• Thermocouple wire material is NiCr-CuNi.
● NiCrSi-NiSi thermocouple graduation mark：N temperature range： -40~1300℃
Industrial NiCrSi-NiSi thermocouple
Variety |
Fixed device |
Junction box |
Pretection tube |
Response time |
Anti-pressure Mpa |
||||||||||||
non-fixed device |
fixed |
active flange |
fixed |
900 fixed |
conicfixed |
splash |
water |
flame |
Φ16 |
Φ20 |
Φ16 |
Φ25 |
cone |
material |
|||
1 |
2 |
3 |
4 |
5 |
6 |
2 |
3 |
4 |
0 |
1 |
2 |
3 |
|||||
-120 |
○ |
|
|
|
|
|
○ |
|
|
○ |
|
|
|
|
1Cr18Mi9Ti |
<90 |
normal pressure |
-121 |
○ |
|
|
|
|
|
○ |
|
|
|
○ |
|
|
|
1Cr18Mi9Ti |
<90 |
normal pressure |
-122 |
○ |
|
|
|
|
|
○ |
|
|
|
|
○ |
|
|
high-alumina |
<150 |
normal pressure |
-123 |
○ |
|
|
|
|
|
○ |
|
|
|
|
|
○ |
|
high-alumina |
<360 |
normal pressure |
-130 |
○ |
|
|
|
|
|
|
○ |
|
○ |
|
|
|
|
1Cr18Mi9Ti |
<90 |
normal pressure |
-131 |
○ |
|
|
|
|
|
|
○ |
|
|
○ |
|
|
|
1Cr18Mi9Ti |
<90 |
normal pressure |
-132 |
○ |
|
|
|
|
|
|
○ |
|
|
|
○ |
|
|
high-alumina |
<150 |
normal pressure |
-133 |
○ |
|
|
|
|
|
|
○ |
|
|
|
|
○ |
|
high-alumina |
<360 |
normal pressure |
-220 |
|
○ |
|
|
|
|
○ |
|
|
○ |
|
|
|
|
1Cr18Mi9Ti |
<90 |
<10 |
-221 |
|
○ |
|
|
|
|
○ |
|
|
|
○ |
|
|
|
1Cr18Mi9Ti |
<90 |
<10 |
-230 |
|
○ |
|
|
|
|
|
○ |
|
○ |
|
|
|
|
1Cr18Mi9Ti |
<90 |
<10 |
-231 |
|
○ |
|
|
|
|
|
○ |
|
|
○ |
|
|
|
1Cr18Mi9Ti |
<90 |
<10 |
-320 |
|
|
○ |
|
|
|
○ |
|
|
○ |
|
|
|
|
1Cr18Mi9Ti |
<90 |
normal pressure |
-321 |
|
|
○ |
|
|
|
○ |
|
|
|
○ |
|
|
|
1Cr18Mi9Ti |
<90 |
normal pressure |
-330 |
|
|
○ |
|
|
|
|
○ |
|
○ |
|
|
|
|
1Cr18Mi9Ti |
<90 |
normal pressure |
-331 |
|
|
○ |
|
|
|
|
○ |
|
|
○ |
|
|
|
1Cr18Mi9Ti |
<90 |
normal pressure |
-420 |
|
|
|
○ |
|
|
○ |
|
|
○ |
|
|
|
|
1Cr18Mi9Ti |
<90 |
<6.4 |
-421 |
|
|
|
○ |
|
|
○ |
|
|
|
○ |
|
|
|
1Cr18Mi9Ti |
<90 |
<6.4 |
-430 |
|
|
|
○ |
|
|
|
○ |
|
○ |
|
|
|
|
1Cr18Mi9Ti |
<90 |
<6.4 |
-431 |
|
|
|
○ |
|
|
|
○ |
|
|
○ |
|
|
|
1Cr18Mi9Ti |
<90 |
<6.4 |
-520 |
|
|
|
|
○ |
|
○ |
|
|
○ |
|
|
|
|
1Cr18Mi9Ti |
<90 |
normal pressure |
-521 |
|
|
|
|
○ |
|
○ |
|
|
|
○ |
|
|
|
1Cr18Mi9Ti |
<90 |
normal pressure |
-530 |
|
|
|
|
○ |
|
|
○ |
|
○ |
|
|
|
|
1Cr18Mi9Ti |
<90 |
normal pressure |
-531 |
|
|
|
|
○ |
|
|
○ |
|
|
○ |
|
|
|
1Cr18Mi9Ti |
<90 |
normal pressure |
-620 |
|
|
|
|
|
○ |
○ |
|
|
|
|
|
|
○ |
1Cr18Mi9Ti |
<90 |
<30 |
-630 |
|
|
|
|
|
○ |
|
○ |
|
|
|
|
|
○ |
1Cr18Mi9Ti |
<90 |
<30 |
Description: • Thermocouple wire diameter specifications are Φ2.5mm and Φ3.2mm;
• Thermocouple wire material is NiCrSi-NiSiMg.
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