product overview
With the continuous development of China's power industry, the power market urgently needs variousThermal resistance thermocouple for temperature measurement in power stationsTo replace expensive imported products. Our company has successively introduced professional technology and equipment. Based on the original products, we have extensively listened to the opinions of design institutes and power station users, redesigned the products, and added new varieties. The products fully meet the supporting needs of domestic or imported 300000 and 600000 kilowatt generator sets as well as other domestic units, and have received unanimous praise from a large number of users.
Technical Parameter
category |
code
|
Graduation
|
Temperature measurement range ℃
|
accuracy class
|
Allowable deviation △ t
|
Nickel chromium nickel silicon
|
WRN
|
K
|
0~800
|
Ⅱ
|
± 2.5 ℃ or 0.75% t
|
Nickel chromium copper nickel
|
WRE
|
E
|
0~600
|
Ⅱ
|
± 2.5 ℃ or 0.75% t
|
Copper Copper Nickel
|
WRC
|
T
|
-40~350
|
Ⅱ
|
± 1 ℃ or 0.75% t
|
platinum
|
WZP
|
Pt100
|
-200~500
|
Grade B
|
±(0.30+0.005|t|)
|
Copper resistance
|
WZC
|
Cu50
|
-50~100
|
Grade B
|
±(0.30+6.0×10-3t)
|
Note: "t" represents the measured temperature of the temperature sensing element, while for platinum and copper resistors, it is the absolute value of the measured temperature of the temperature sensing element.
CLASSIFICATION
1. Hot sleeve thermocouple
Name
|
Model number
|
Graduation
|
Temperature measurement range ℃
|
nominal pressure
|
velocity of flow
|
Protective tube material
|
Single thermocouple
|
WRNR-01
|
K
|
0~600
|
≤ 29.4MPa
|
≤ 100m/s
|
1Cr18Ni9Ti
stainless steel |
WRER-01
|
E
|
|||||
Dual thermocouple
|
WRNR2-01
|
K
|
||||
WRER2-01
|
E
|
Note: The exposed length H can be selected by users based on the thickness of the insulation layer in the H=200, 240, 280, 320, 380, 420, 480, 520 series. Product specification: Insertion depth+H=total length.
2. Thermocouples for flue and air ducts
name
|
model
|
Graduation
|
Temperature measurement range ℃
|
Nominal pressure MPa
|
velocity of flow
|
Protective tube material
|
Single thermocouple
|
WRNR-12
|
K
|
0~800
|
≤9.8
|
≤80m/s
|
stainless steel
1Cr18Ni9Ti |
WRER-12
|
E
|
|||||
Dual thermocouple
|
WRNR2-12
|
K
|
||||
WRER2-12
|
E
|
Usage: Used for temperature measurement on flue and air ducts.
3. High temperature and high pressure thermocouple
name
|
Model number
|
Graduation
|
Temperature measurement range ℃
|
nominal pressure
|
velocity of flow
|
Protective tube material
|
Single thermocouple
|
WRNR-13
|
K
|
0~600
|
≤ 29.4MPa
|
≤100m/s
|
0Cr18Ni12M02Ti
stainless steel |
WRER-13
|
E
|
|||||
Dual thermocouple
|
WRNR2-13
|
K
|
||||
WRER2-13
|
E
|
4. Medium temperature and medium voltage thermocouple
name
|
model
|
Graduation
|
Temperature measurement range ℃
|
nominal pressure
|
velocity of flow
|
Protective tube material
|
Single thermocouple
|
WRNR-14
|
K
|
≤340
|
≤29.4MPa
|
≤30m/s
|
1Cr18Ni9Ti
stainless steel |
WRER-14
|
E
|
|||||
Dual thermocouple
|
WRNR2 -14
|
K
|
||||
WRER2 -14
|
E
|
5. Low temperature and low pressure thermocouple
name
|
model
|
Graduation
|
Temperature measurement range ℃
|
nominal pressure
|
velocity of flow
|
Protective tube material
|
Protecting pipe threads
|
Single thermocouple
|
WRNR-15
|
K
|
0~260
|
≤2 MPa
|
≤9m/s
|
1Cr18Ni9Ti
stainless steel |
Protective tube (III)
M33 × 2 Protective tube (IV) ZG1" (NPT") |
WRER-15
|
E
|
||||||
Dual thermocouple
|
WRNR2-15
|
K
|
|||||
WRER2-15
|
E
|
||||||
Single thermocouple
|
WRNR-15
|
K
|
|||||
WRER-15
|
E
|
||||||
Dual thermocouple
|
WRNR2-15
|
K
|
|||||
WRER2-15
|
E
|