Temperature is a very important physical quantity in work control. Sensors used for temperature measurement mainly include thermal resistance, thermistor, thermocouple, semiconductor temperature sensor and so on. These sensors have their own....
The constant current source driving circuit is responsible for driving the temperature sensor Pt1000 to convert its sensed temperature-varying resistance signal into a measurable voltage signal. In this system, the constant current source re....
Precision chemistry, biomedicine, fine chemicals, precision instruments and other fields have extremely high requirements for temperature control accuracy, and the core of temperature control is temperature measurement. Measuring temperature....
Pt100 temperature measurement circuit (classic temperature range): The temperature sensor PT100 can work in the range of -200 degrees to 650 degrees. The whole circuit is divided into two parts, one is the sensor preamplifier circuit, the ot....
The WZP type platinum resistance temperature sensor product Pt1000 is a device that detects temperature and temperature related parameters by utilizing the characteristics of the electromagnetic parameters of the components as a function of....
Thermocouple is a kind of commonly used temperature sensor . It uses thermoelectric effect to measure temperature according to thermoelectric electromotive force produced by temperature difference between hot and cold ends. It has the advan....
This paper analyzes the working principle and design basis of the functional circuit such as constant current source signal conditioning analog-to-digital conversion in the temperature measurement system, and gives the circuit parameters. Te....
Basic method for selecting and setting Pt100 temperature verification point 1. For each verification point of Pt100, select 0C and 100C, and check the compliance of the actual resistance temperature coefficient a; 2. When △a does not meet....
In Figure 2, R11 is a sampling resistor with a resistance of 10 k and an accuracy of 1 ; The sensor product output current is 273.15A at 0 C, and the voltage across the resistor is 2.731 5 V; The sensor product output current is 373.15 A at....
Temperature measurement applications are very extensive, not only do production processes require temperature control, but some electronic products also need to measure their own temperature. For example, if the computer wants to monitor th....