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SU-220: USB output UV-A Sensor

Updated:2025-03-13

Brand: APOGEE
Model: SU-220
Description: The SU-220 UV-A, smart sensor can be connected directly to a computer (Windows or macOS X) via USB for taking spot measurements or graphing and datalogging real-time PPFD using the included software
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Product Details

SU-220: USB output UV-A Sensor introduction：

SU-200 specification sheet

The SU-220 UV-A, smart sensor can be connected directly to a computer (Windows or macOS X) via USB for taking spot measurements or graphing and datalogging real-time PPFD using the included software. The sensor can also act as a stand-alone PAR datalogger by simply connecting it to most standard 5 V DC USB power plugs. Internal memory within the sensor head is capable of storing 10,000 user-specified periodic measurements that can be downloaded as a CSV file to a computer for analysis.

The sensor offers a low-cost option for detecting UV radiation from 300 to 400 nm and are calibrated in energy flux units of Watts per square meter. Typical applications include monitoring the filtering ability and stability of various materials, measuring UV-A radiation in outdoor environments and laboratory use, and monitoring UV radiation in horticultural operations environments. Sensor includes IP68 marine-grade stainless-steel cable connector 30 cm from head to simplify sensor removal and replacement for maintenance and recalibration.

SU-220: USB output UV-A Sensor drawing：

SU-220: USB output UV-A Sensor Specifications:

Resolution	0.1 μmol mˉ2 sˉ1
Calibration Factor	Custom for each sensor and stored in the firmware
Calibration Uncertainty	± 5 %
Measurement Range	0 to 100 W mˉ2
Measurement Repeatability	Less than 0.5 %
Long-term Drift	Less than 2 % per year
Non-linearity	Less than 1 %
Response Time	Less than 1 ms
Field of View	180°
Spectral Range	305 to 390 nm (wavelengths where response is greater than 10 % of maximum)
Directional (Cosine) Response	± 2 % at 45?; ± 5 % at 75? zenith angle
Temperature Response	Less than ?0.1 % per C
Operating Environment	-30 to 85 C; 0 to 100 % relative humidity
Dimension	30.5 mm diameter, 37 mm height
Mass (5 m of cable)	140 g
USB Cable	4.5 m (15 ft)
Current Draw (when Logging)	61 mA
Warranty	4 years against defects in materials and workmanship
Manufactured	Made in the USA