Jiangsu Dingcheng Instrument Technology Co., Ltd
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Thermal resistance thermocouple for temperature measurement in power stations
Product Overview: With the continuous development of China's power industry, the power market urgently needs various thermal resistance thermocouples
Product details

电站测温用电阻电偶

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
± 2.5 ℃ or 0.75% t
Nickel chromium copper nickel
WRE
E
0~600
± 2.5 ℃ or 0.75% t
Copper Copper Nickel
WRC
T
-40~350
± 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
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