RS485 Photoelectric Solar Radiation Sensor (400-1100nm)

SKU: SEN0640

The Solar Radiation Sensor uses photoelectric principle to convert sunlight into electrical signals, measuring 400-1100nm spectral radiation. It has high-precision elements, a 95% transmittance dust cover, Modbus-RTU 485 protocol, 5-30V wide voltage, IP67 aluminum shell. Works with Arduino via adapters, ideal for crop monitoring, photovoltaics, meteorology.

Overview of RS485 Photoelectric Solar Radiation Sensor

Downloadable Resources

  • Docs
  • Tech Specs
  • Specification

    Parameter Value
    Power supply voltage DC5~30V
    Working current <10mA
    Output mode RS485
    Measurement object Sunlight
    Measurement range 0~1800W/m²
    Wavelength range 400-1100nm
    Accuracy ±5%
    Resolution 1W/m²
    Response time ≤10S
    Non-linearity <±2%
    Annual stability ≤±2%
    Cosine response ≤±10%
    Working temperature -25°C~+60°C
    Protection level IP67
    Sensor cable length 20cm
    Adapter cable length 70cm

    Pinout

    Num Label Description
    Brown line VCC Power input positive pole, DC5-30V power supply
    Black line GND Power ground wire
    Yellow line 485-A RS485 data line A
    Blue line 485-B RS485 data line B

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