Embedded platinum resistance temperature sensor
Product description:
Embedded platinum resistance temperature sensor
The embedded platinum resistance temperature sensor embedded installation, can be embedded or embedded equipment installed on the wall, a base, warehouse foundation, stainless steel, beautiful appearance, flexible structure, strong bearing capacity, convenient installation, embedded platinum resistance temperature sensor base reserved connection port and the slot link, in the construction and installation of wiring the sensor base installation debugging embedded platinum resistance temperature sensor.
精度与等级：
A：±（0.15＋0.002t）；
1/3DIN：±(0.1+0.0017t)
1/10DIN:±(0.03+0.0005t)
0℃时阻值允许偏差：
A：±0.06Ω；
1/3DIN：±0.04Ω；
&n Bsp; 1/10DIN;: + 0.01;
The structure of the embedded platinum resistance temperature sensor
two wire sensor:
sensor resistance value and the connecting wire resistance value constitute the sensor output value, because of the additional error caused by the wire resistance measured for high measurement accuracy, less demanding situations, and the length of the wire should not be too long.
three wire system:
adopts three wire system, which will greatly reduce the additional error caused by wire resistance. Generally, the three wire system is adopted in industry.
four line:
when the measured resistance value is very small, the resistance test line may introduce significant errors, four line measurement provides a constant current for two additional test line, the other two voltage test line measurement of the unknown resistance drop, the voltmeter input impedance is high enough under the condition of current flows almost no voltage meter and so you can drop the accurate measurement of the unknown resistance, calculated the resistance value.
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