The ETB-148 trainer kit is designed to demonstrate the working of a temperature-based ON-OFF control system using a thermistor sensor. This model simulates how real-world thermostatic systems operate in appliances and industrial environments by switching output devices ON or OFF based on sensed temperature.
The system includes a thermistor as the temperature sensor, comparator-based control circuit, and a built-in constant regulated (C.R.) power supply. It helps students understand basic thermal control, sensor interfacing, and comparator circuit applications. A small heating element or lamp is typically used to demonstrate the output switching action.
Key Features:
Demonstrates ON-OFF temperature control using thermistor
Built-in C.R. power supply
Involves comparator/op-amp based decision circuit
Adjustable temperature threshold for switching action
Ideal for control systems, instrumentation, and sensor application studies
Compact, safe, and educational for lab use
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