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    Diffuse Solar Radiation Sensor, 0-2000W/m2

    SKU: SUCH-SR-DF
    $952.36
    ● Spectral range 0.3-3μm ● Measurement range 0-2000W/m² ● Ring band diameter Φ400 ● Sensitivity 7-14 μV·W⁻¹·m²
    🚚 Free shipping
    🕒 Delivery date: 6-12 days
    🔁 30-day Returns
    Overview

    Diffuse solar radiation sensor is designed for precise measurement of solar irradiance across the 0.3-3μm spectral range. Featuring a highly sensitive 7-14 μV·W⁻¹·m² thermopile element and a 95% light-transmittance quartz cover, SUCH radiation sensor delivers fast, stable, and accurate response to solar radiation. Its IP67-rated full-aluminum housing ensures durability against rain, snow, oxidation, and harsh outdoor environments, while the Φ400 ring band structure enhances diffuse radiation capture for reliable long-term performance in meteorological, photovoltaic, and environmental monitoring applications.

    Feature

    • 95% Light Transmittance: Radiation sensor adopts durable quartz glass with excellent optical clarity, providing up to 95% transmittance to reduce environmental interference on internal components.
    • Sensitive Thermopile Element: Uses a wired thermopile sensor with a high-absorption black coating for fast response, low error, and accurate measurement with temperature compensation.
    • Solar Radiation Response: Converts absorbed solar radiation into a temperature-difference voltage, enabling precise measurement of solar irradiance.
    • Full Aluminum Housing (IP67 Rated): Features a corrosion-resistant aluminum enclosure with IP67 protection, offering strong resistance to rain, snow, oxidation, and harsh outdoor environments.

    Dimension (Unit: mm)

    Diffuse solar radiation sensor size

    Specs
    Power Supply Range 10V-30V DC
    Output Mode RS485 (Modbus-RTU protocol)
    Power Consumption 0.2W
    Transmitter Operating Temp & Humidity -40°C to +80°C, 0%RH–95%RH (non-condensing)
    Sensitivity 7-14 μV·W⁻¹·m²
    Internal Resistance 200-400Ω
    Response Time (95%) ≤ 30s
    Non-linearity Error ≤ ±3%
    Directional Response Deviation ≤ ±30W/m²
    Temperature Response Error ≤ ±3% (−30°C to +50°C)
    Spectral Range 0.3-3μm
    Measurement Range 0-2000W/m²
    Resolution 1W/m²
    Accuracy ±3%
    Annual Stability ≤ ±3%
    Cosine Response Deviation ≤ ±5%
    Tilt Response Deviation ≤ ±2%
    Zero Drift ≤ 6W/m²
    Latitude Compensation Range 0°-55°
    Declination Compensation Range ±25° (Northern Hemisphere positive)
    Ring Band Diameter Φ400
    Application

    Solar photovoltaic power generation

    Solar Photovoltaic Power Generation

    Agroforestry ecological research

    Agroforestry Ecological Research

    Climate research

    Climate Research

    FAQ

    Diffuse radiation refers to sunlight that has been scattered by molecules, clouds, aerosols, or dust in the atmosphere. It does not come directly from the sun but arrives from all directions.

    It measures only the scattered component of solar irradiance, excluding direct beam radiation. This allows accurate monitoring of the diffuse portion of total solar energy.

    Diffuse sensors typically use a shading ring, shading band, or geometric structure designed to prevent direct solar beams from reaching the sensing surface while allowing scattered light from all angles.

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