The SP-422-SS sensor outputs a digital signal using Modbus RTU protocol over RS-232 or RS-485. The sensor incorporates a silicon-cell photodiode with a rugged, self-cleaning sensor housing design, and high-quality cable terminating in pre-tinned pigtail leads for easy connection to dataloggers and controllers. Typical applications include shortwave radiation measurement in agricultural, ecological, and hydrological weather networks. Sensors are also used tob0b体育app下载 Sensor includes IP68 marine-grade stainless-steel cable connector to simplify sensor removal and replacement for maintenance and recalibration.
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ISO 9060:2018
Class C (previously known as second class)
Input Voltage Requirement
5.5 to 24 V
Average Max Current Draw
RS-232 37 mA; RS-485 quiescent 37 mA, active 42 mA
Calibration Uncertainty
± 5 %
Measurement Repeatability
Less than 1 %
Long-term Drift (Non-stability)
Less than 2 % per year
Non-linearity
Less than 1 % (up to 2000 W mˉ²)
Field of View
180˚
Spectral Range
360 to 1120 nm (wavelengths where response is 10 % of maximum)
Directional (Cosine) Response
± 5 % at 75˚ zenith angle
Temperature Response
0.04 ± 0.4 % per C
Operating Environment
-40 to 70 C; 0 to 100 % relative humidity; can be submerged in water up to depths of 30 m
Dimensions
30.5 mm diameter, 37 mm height
质量(cabl 5米e)
140 g
Cable
5 m of two conductor, shielded, twisted-pair wire, additional cable available in multiples of 5 m; TPR jacket (high water resistance, high UV stability, flexibility in cold conditions); pigtail lead wires
Warranty
4 years against defects in materials and workmanship
