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Help CenterWZPK-240 Sheathed Type Explosive-proof Thermal Resistor
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Brief Description
Industrial explosion-proof platinum resistor is a temperature sensor which is widely used in industrial automatic control systems. It can switch the object’s temperature parameter into signals and send it to displayer, recorder and regulator. It is used to test, adjust and control the system.
If we use an ordinary platinum resistor in the chemical plant which often accompanied by a variety of explosive, flammable and other chemical gases, vapors, it is very easy to cause the environment gas explosion. Therefore, we must use explosion-proof resistance thermometer on these occasions. Our explosion-proof resistance thermometer is suitable to occasions with explosive gas where the temperature group is between dIIBT4~dIICT6.
Specification
model |
Graduation |
Range(℃) |
Accuracy class |
Allowable error(Δt centigrade) |
|
WZP WZP2 WZPK WZPK2 |
Pt100 |
-200~500 |
A |
±<650℃ ±(0.15 +0.002 |t| ) |
B |
-200~800℃ ±(0.3 or +0.005 |t| ) |
Explosion-proof sheathed thermal resistance
W |
Z |
P |
K |
nstall and fixed type |
Junction box |
Temperature meter |
Resistance |
Material of resistance |
sheathed |
2)fixed thread type 4)fixed flange type 6) fixed thread taper protection tube |
4) explosion-proof type |
Model |
Graduation |
Temp ℃ |
D (mm) Protection tube diameter |
Time t0.5s |
PN Mpa |
Structure |
Spec. |
Grade |
|
|
Insertion length l (mm) |
|||||||||
|
WZPK-240 WZPK2-240
|
Pt100 |
-200~500 |
Ø6
Or
Ø 5
|
≤12
≤8 |
10 |
Fixed thread M27*2 |
150 200 250 300 400 500 750 1000 |
dIIBT4 dIIBT6 dIICT4 dIICT6 |
|
|
6.4
|
Fixed flange |
||||||||
|
WZPK-440 WZPK2-440 |
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