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Chapter 3 : Installation
3.6. Analog Input
The EnviroStation provides four Analog Inputs, which are generally used to connect
sensor devices that monitor the environment by observing voltage or current
fluctuations. The Analog Input 1 and 2 can be connected to a voltage (0~10Vdc) or
current (0~20mA) source. Please see the following illustrations.
The Analog Input 3 is dedicated to a 2-wire or 3-wire RTD (Resistance Temperature
Detector) input. You can connect a PT100 (2/3-wire) temperature sensor to it. Please
see the figure below:
The Analog Input 4 is designed to connect a leakage sensor for leakage detection.
You can use the provided extension cable to extend its length.
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