Water is the main principle of the liquid sensor conductive, is to use electrodes to detect whether there is water, then use the sensor into a dry contact output. Generally water soak sensor is normally open, if you want to normally closed sensor will need to be booked in advance.
water sensor is mainly used the water detection cable with the installation of fittings fixed in detecting area; After power up a green indicator is a sign of the power supply is normal; Times of water conductivity is higher than the warning threshold when the red warning light will be bright, and the collector output short-circuit alarm signal, remove water, red light will automatically put out, once again have the water will be back in the emergency state; Or output alarm signal (open Jump line selection) ; According to field ground water damp rotating knob switch adjust the sensitivity of the detector ( See the sensitivity range) Can also be used for the ground is too wet alarm detection.
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key words: thermal resistance, thermocouple, thermal resistance, platinum resistance, PT100, PT1000, pressure sensor and digital temperature sensor
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