Apogee Instruments SU-221-SS Gebruikershandleiding - Pagina 9
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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 millivolt signal (an input measurement range of approximately 0-40 mV is required to cover the
entire range of UV from the sun). 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 UV sensor. DO NOT connect the
sensor to a power source. The sensor is self-powered and applying voltage will damage the sensor.
VERY IMPORTANT
: Apogee changed all wiring colors of our bare-lead sensors in March 2018 in conjunction
with the release of inline cable connectors on some sensors. To ensure proper connection to your data device,
please note your serial number or if your sensor has a stainless-steel connector 30 cm from the sensor head then
use the appropriate wiring configuration below.
Wiring for SU-100 Serial Numbers 2482 and above or with a cable connector
Wiring for SU-100 Serial Numbers range 0-2481
Black: Negative (signal from sensor)
Clear: Shield/Ground
White: Positive (signal from sensor)
Red: Positive (signal from sensor)
Black: Negative (signal from sensor)
Clear: Shield/Ground