S2-421-SS SDI-12 PRI Sensor

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Calibration Factor (recipricol of sensitivity) Custom for each sensor and stored in firmware Calibration Uncertainty ± 5 % Output Range SDI-12 Power Supply 5.5 to 24 V DC Wavelength Ranges Green detector = 532 nm with 10 nm full-width half-maximum; Yellow detector = 570 nm with 10 nm full-width half-maximum Measurement Range 2x full sunlight Measurement Repeatability Less than 1 % Long-term Drift Less than 2 % per year Response Time Less than 0.6 s Field of View 180˚ Directional (Cosine) Response ± 2 % at 45˚; ± 5 % at 75˚ zenith angle Temperature Response Less than 0.1 % per C Housing Anodized aluminum body with acrylic diffuser IP Rating IP68 Operating Environment -40 to 70 C; 0 to 100 % relative humidity Dimensions 30.5 mm diameter, 37 mm height Mass (with 5 m of cable) 140 g Cable 5 m of shielded, twisted-pair wire; TPR jacket (high water resistance, high UV stability, flexibility in cold conditions); pigtail lead wires; stainless steel (316), M8 connector Warranty 4 years against defects in materials and workmanship