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Original factory packaging
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Instrument Expert
Original factory packaging
Service Hotline：
(+86)010-52867771
Updated:2025-03-13
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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.
| 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 |
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