WZ series assembled thermal resistance
Product name: WZ series assembled thermal resistance WZ series assembled thermal resistance
Number of products: 135954-889
Product model: 0
Manufacturer: Thermocouple--Shanghai Feilong Instrument Electric Co., Ltd.
Industrial thermal resistance as a sensor for measuring temperature, usually with display instruments, recording instruments and electronic adjustment
Supporting device. It can directly measure the liquid in the range of -200 ℃ ~ _420 ℃ in various production processes.
Temperature of solid, vapor and gaseous media and solid surface.
According to national regulations, our company has been producing indexing numbers in accordance with IEC international standards since 1995.
Ptl00 platinum thermal resistance and Cu50 copper thermal resistance in accordance with professional standard graduation numbers
Type thermal resistance.
Measurement range and accuracy
Thermal resistance category
Temperature measurement range ℃
Allowable deviation △ t ℃
WZP platinum resistance
-200 ~ 420
Class B (-200 ~ 800 ℃)
Tolerance level ± (0.30 ± 0.005 | t |)
Class A (-200 ~ 650 ℃)
Tolerance level ± (0.15 ± 0.002 | t |)
WZC type copper resistance
-50 ~ 150
-50 ~ 150 ℃
Tolerance ± (0.30 + 6.0x10-3t)
Note: “t” in the formula is the absolute value of the measured temperature of the original temperature sensor.
Third, the working principle
Industrial thermal resistance is divided into platinum thermal resistance and copper thermal resistance.
Thermal resistance measures the temperature of a substance by changing its own resistance when the temperature changes.
Degrees. The heated part (temperature sensing element) of the thermal resistor is made of thin metal wires evenly wound around the insulating material
On the skeleton. When a temperature gradient exists in the measured medium, the measured temperature is within the range of the temperature sensing element
The average temperature in the dielectric layer.
The assembled thermal resistance is mainly composed of a junction box, a protection tube, a terminal, an insulation sleeve and a temperature sensing element group.
It has a basic structure and is equipped with various mounting fixtures.
The temperature sensing element of WZP type platinum resistor is a platinum wire winding. The double platinum resistor is mainly used for the two sets
Display, record or adjust the temperature of the same place at the same time. The temperature sensing element of WZC type copper resistor is
One copper wire winding.
Name: WZ series assembled thermal resistance
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