| Customization: | Available |
|---|---|
| Installation Type: | Wall-Mounted Type |
| Sensing Type: | Thermocouple |
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A thermocouple is a sensor that measures temperature. It consists of two different types of metals, joined together at one end. When the junction of the two metals is heated or cooled, a voltage is created that can be correlated back to the temperature. Thermocouple alloys are commonly available as wire.
Thermocouples are widely used in science and industry; Applications include temperature measurement for kilns, gas turbine exhaust, diesel engines, and other industrial processes. Thermocouples are also used in homes, offices and businesses as the temperature sensors in thermostats, and also as flame sensors in safety devices for gas-powered major appliances.
|
Conductor |
Model |
Type |
Admissible error class |
||
|
Class I |
Class II |
Class P |
|||
|
Ni-Cr / Ni-Si |
WRKK |
K |
±1.5ºC or ±0.4%|t| |
±2.5ºC or ±0.75%|t| |
/ |
|
Ni-Cr-Si / Ni-Cr-Mg |
WRKN |
N |
|||
|
Ni-Cr / Ni-Cu |
WRKE |
E |
|||
|
Fe / Cu-Ni |
WRKJ |
J |
|||
|
Cu / Cu-Ni |
WRKT |
T |
±0.5ºC or ±0.4%|t| |
±1.0ºC or ±0.75%|t| |
/ |
|
Pt-Rh10 / Pt |
WRKS |
S |
/ |
/ |
±3ºC or ±0.5%|t| |
|
Pt-Rh13 / Pt |
WRKR |
R |
|||
|
Pt-Rh30 / Pt6 |
WRKB |
B |
/ |
/ |
±4ºC or ±0.5%|t| |
| Type | Features | Outer diameter of universal sleeve | ||
| Single couples | Double couples | |||
| 1 | Ungrounded | 1 It responses more slowly than that of the case-connected type. 2 Long service life 3 Resistance to electric interference |
Φ0.5 ~Φ8.0 | Φ3.0 ~Φ8.0 |
| 2 | Grounded | 1 Rapid response 2 Not suitable in case with interference |
Φ0.25 ~Φ8.0 | Φ3.0 ~Φ8.0 |
| 3 | Exposed | 1 Rapid response 2 Suitable to measure the temperature of gas, such as engine exhaust 3Poor mechanical strength in contact with other measuring structures |
Φ0.5 ~Φ8.0 | Φ3.0 ~Φ8.0 |
Thermocouple temperature sensors are widley applied to aviation, nuclear energy, petrochemical, metallurgy, machinery, electric power industries and technical area.
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