Apogee SE-421 Owner's Manual - Page 11

Browse online or download pdf Owner's Manual for Accessories Apogee SE-421. Apogee SE-421 19 pages. Ultraviolet-a sensor

Print Page
Apogee SE-421 Owner's Manual

OPERATION AND MEASUREMENT

The SU-221 UV-A sensor has a SDI-12 output, UV radiation is returned in digital format. Measurement of SU-221
UV-A sensors requires a measurement device with SDI-12 functionality that includes the M or C command.
Wiring
White: Positive (signal from sensor)
Red: Input Power
Black: Ground (from sensor signal and output power)
Clear: Shield/Ground