Apogee Instruments S2-111 Owner's Manual - Page 12

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Apogee Instruments S2-111 Owner's Manual

OPERATION AND MEASUREMENT

Connect the sensor to a measurement device (meter, datalogger, controller) capable of measuring and displaying

or recording a millivolt signal (an input measurement range of approximately 0-25 mV is required to cover the

sensor output ranges). In order to maximize measurement resolution and signal-to-noise ratio, the input range of

the measurement device should closely match the output range of the sensor. DO NOT connect the sensor to a

power source. The sensor is self-powered and applying voltage will damage the sensor.

Wiring for S2-100 series

White: Positive (signal from NIR (NDVI))

Black: Negative (signal from NIR (NDVI))

Yellow: Positive (signal from Red (NDVI))

Blue: Negative (signal from Red (NDVI))

Clear: Shield