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LEAT-7 Temperature Properties of Various Temperature Sensors

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Temperature Properties of Various Temperature Sensors

Production and scientific experiments often require accurate temperature measurement and control. In order to accurately measure and control temperature, it is necessary to correctly understand the characteristics and measurement methods of various temperature sensors. Therefore, the measurement of the temperature characteristic of the temperature sensor is one of the important experiments of the basic physics experiment in universities.

Experiments

1. Learn to use constant current method to measure thermal resistance;

2. Learn to use DC bridge method to measure thermal resistance;

3. Measure temperature properties of a platinum resistance temperature sensors (Pt100);

4. Measure temperature properties of a thermistor NTC1K (negative temperature coefficient) ;

5. Measure temperature properties of a PN-junction temperature sensor;

6. Measure temperature properties of a current-mode integrated temperature sensor (AD590);

7. Measure temperature properties of a voltage-mode integrated temperature sensor (LM35).

 

Specifications

Description Specifications
Bridge source +2 V ± 0.5%, 0.3 A
Constant current source 1 mA ± 0.5%
Voltage source +5 V, 0.5 A
Digital voltmeter 0 ~ 2 V ± 0.2%, resolution, 0.0001V; 0 ~ 20 V ± 0.2%, resolution 0.001 V
Temperature controller resolution: 0.1 °C
stability: ± 0.1 °C
range: 0 ~ 100 °C
accuracy: ± 3% (± 0.5% after calibration)
Power consumption 100 W