Apogee SQX Series Посібник користувача - Сторінка 11

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OPERATION AND MEASUREMENT

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

or recording a voltage signal with a range of 0-2.5 V (SQ-202X) or 0-5 V (SQ-205X) to cover the entire range of PPFD

from the sun. In order to maximize the measurement resolution and signal-to-noise ratio, the signal input range of

the measurement device should closely match the output range of the quantum sensors. The amplification circuit

requires a power supply of 2.5-24 VDC (SQ-202X) or 5-24 VDC (SQ-205X). NOTE: To prevent sensor damage,

NOT connect the sensor to a power source greater than 24 VDC.

Wiring for SQ-202X and SQ-205X

White: Positive (signal from sensor)

Red: Input Power SQ-212X 3.3-24 V DC, SQ-215X 5.5-24 V DC

Black: Ground (from sensor signal and output power)

Clear: Shield/Ground