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Assemble the thermal resistor
- Product Description
-
Overview
Industrial assembly of RTDs as temperature measurement sensors is usually used in conjunction with temperature transmitters, regulators, and display instruments to form process control systems, directly measuring or controlling the temperatures of liquids, vapors, gases, and solid surfaces within the -200°C to -500°C range during various production processes.
Thermal resistance measures temperature by utilizing the characteristic that a material's resistance changes with temperature fluctuations. When temperature shaving is present in the measured medium, the measured temperature is the average temperature within the medium within the range of the sensing element.
Although the shapes of various RTDs vary greatly, their basic structures are generally similar, generally consisting of temperature sensing elements, insulating bushings, protective tubes, and junction boxes.
Features
· Spring-type temperature sensing elements with excellent vibration resistance;
· High temperature measurement accuracy;
· High mechanical strength and excellent pressure resistance;
· Imported thin-film resistor components with reliable and stable performance.
Working principle
Thermal resistance measures temperature by utilizing the characteristic that a material's resistance changes with temperature changes. When the resistance value changes, the working instrument displays the temperature value corresponding to the resistance value.
Main technical parameters
Product compliance with standards
IEC584
IEC1515
GB/T16839-1997
JB/T5582-91
Insulation resistance at room temperature
The thermal resistor operates at ambient temperatures of 15–35°C, with relative humidity not exceeding 80%. The test voltage is 10–100V (DC), and the insulation resistance between the electrode and the outer casing is >100MΩ.
Measure temperature and tolerance
Model Degree number Temperature measurement range Accuracy grade Allowable error WZP Pt100 -200-+500 Grade A ±(0.15+0.002) ltl Grade B ±(0.30+0.005) ltl WZC Cu50 Cu100 -50-+100 --- ±(0.30+0.005) ltl
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