T-121 Temperature sensor circuit diagram (electronic thermometer)
The T-121 temperature sensor circuit is designed to measure and display temperature readings accurately. The circuit typically consists of a temperature sensor, such as the T-121, which converts temperature variations into an electrical signal. This signal is then processed by an analog-to-digital converter (ADC) to provide a digital output that can be displayed on a digital readout, such as an LCD or LED display.
The T-121 sensor operates within a specified temperature range and outputs a voltage that is proportional to the temperature. The circuit includes essential components such as resistors for biasing, capacitors for filtering, and operational amplifiers for signal conditioning. The ADC is crucial for converting the analog signal from the sensor into a digital format that can be easily read and interpreted.
Power supply considerations are also vital for the operation of this circuit. A stable voltage source is required to ensure accurate readings. Additionally, the circuit may include a microcontroller to manage the data processing and display functions, allowing for features such as temperature logging or calibration adjustments.
Overall, the T-121 temperature sensor circuit is a fundamental design in electronic thermometry, providing reliable temperature measurements for various applications, including environmental monitoring and industrial processes. Proper layout and component selection are critical to achieving optimal performance and accuracy in temperature readings.T-121 temperature sensor electronic thermometer circuit diagram shown below
Related Circuits
The circuit's output current capacity is influenced by the bulk capacitor Cl. When the capacitance of Cl is changed from 0.7 µF to 2 pF, the output current can be increased from approximately 10 mA to around 20 mA,...
One type of metal detector is a beat frequency oscillator (BFO). The operation of metal detectors relies on changing the characteristics of the oscillator when it is near a metal object detected by the sensor. The detector functions based...
The following circuit illustrates a Solar Tracker Circuit Diagram. This circuit is based on the LM339 integrated circuit. Features include a 10nF ceramic capacitor (103z) and a 1MΩ resistor. The Solar Tracker Circuit utilizes the LM339 quad comparator IC to...
This circuit demonstrates the principle of the sample-and-hold circuit. SI can be replaced by electronic switches (FET, etc.) in an actual application. The sample-and-hold circuit is an essential component in various analog-to-digital conversion applications. Its primary function is to capture...
Two operational amplifiers are utilized in a bridge circuit configuration to detect high and low light levels. Potentiometer R2 adjusts the dark level, while resistor R1 controls the light level. Resistor R3 is configured so that approximately 1A of...
The circuit consists of a 555 timer configured as an astable multivibrator along with resistors R1 and R2 and capacitor C1. It generates an oscillation frequency of approximately 10 kHz with a duty cycle close to 50%. Transistors VT2...