RTD (Resistance Temperature Detector) is a sensor whose resistance changes as its temperature changes. The resistance increases as the temperature of the sensor increases. The resistance vs temperature relationship is well known and is repeatable over time. An RTD is a passive device. It does not produce an output on its own. External electronic devices are used to measure the resistance of the sensor by passing a small electrical current through the sensor to generate a voltage. Typically 1 mA or less measuring current, 5 mA maximum without the risk of self-heating.
El sensor de temperatura de la serie MFE-2 es un sensor de tipo encapsulado con epoxi. Los elementos NTC, RTD son los elementos de detección más populares. La ventaja especial de la serie MFE-2 es el ahorro de costos y el tamaño compacto.
El sensor de temperatura de la serie MFP-3 que utiliza el elemento termistor NTC . es un sensor de tipo sumergible que prueba el sensor en una cámara de líquido o aire cuya temperatura se medirá .