global-solar-radiation-sensor

Global Solar Radiation Sensor (Pyranometer) for Weather Stations and Agriculture Monitoring

RS485 Solar Radiation Meter for Meteorological Observation, Environmental Monitoring, and IoT Weather Networks

Product Introduction (pdf)

Product Introduction

The KH.GDF Global Solar Radiation Sensor is a high-precision pyranometer designed for continuous measurement of total solar radiation in meteorological stations, smart agriculture systems, environmental monitoring networks, and solar energy applications.

The sensor uses a high-sensitivity photoelectric detection element to measure incoming solar radiation and convert radiation intensity into electrical signals. Advanced calibration algorithms ensure accurate and stable solar radiation data under different outdoor conditions.

With RS485 Modbus communication, the KH.GDF can be easily integrated into automatic weather stations, telemetry systems, SCADA platforms, and IoT-based environmental monitoring networks.

Its solid-state structure, compact design, and weather-resistant housing provide reliable long-term operation in outdoor environments with minimal maintenance requirements.

How It Works

The pyranometer measures global solar radiation received from the sun and sky across the sensor surface.

The detected solar energy is converted into electrical signals, processed internally, and transmitted as digital data for monitoring and analysis.

This measurement principle provides:

  • Continuous solar radiation monitoring
  • Stable outdoor measurement performance
  • Reliable climate data acquisition
  • Easy integration with weather monitoring systems

Key Features

High-Precision Global Solar Radiation Measurement

Provides accurate total solar radiation data for:

  • Meteorological observation
  • Agricultural research
  • Environmental monitoring
  • Solar energy assessment

Professional Pyranometer Design

High-sensitivity optical detection technology ensures reliable solar radiation measurement under changing sunlight and weather conditions.

Compact Integrated Structure

The lightweight design enables easy installation on:

  • Automatic weather stations
  • Agricultural monitoring stations
  • Environmental observation platforms
  • Solar monitoring systems

Durable Outdoor Construction

The weather-resistant housing provides protection against:

  • Rain
  • Dust
  • Humidity
  • Corrosion
  • Long-term solar exposure

Low Power Consumption

Efficient electronic design supports continuous operation in:

  • Remote monitoring stations
  • Solar-powered telemetry systems
  • IoT environmental networks

RS485 Modbus Communication

Supports integration with:

  • Weather station data loggers
  • Telemetry systems
  • PLC controllers
  • SCADA platforms
  • IoT monitoring platforms

Application Scenarios

Smart Agriculture and Crop Monitoring

Provides solar radiation data for:

  • Crop growth research
  • Greenhouse climate management
  • Precision agriculture
  • Irrigation planning

Meteorological Observation Networks

Used for:

  • Automatic weather stations
  • Climate monitoring
  • Solar radiation measurement programs

Environmental Monitoring and Research

Supports:

  • Ecological studies
  • Atmospheric observation
  • Environmental assessment projects

Solar Energy Applications

Provides solar radiation data for:

  • Photovoltaic system evaluation
  • Solar resource assessment
  • Renewable energy research

Related Weather Station Sensors

The KH.GDF can be integrated with KEHAO automatic weather station solutions together with:

  • Wind speed and direction sensors
  • Temperature and humidity sensors
  • Rain gauges
  • UV radiation sensors

Technical Specifications

ParameterMeasuring RangeResolutionAccuracyUnit
Irradiance0–20001< ±3%W/m²
Sunshine Hours0–65000.1< 0.2h

Additional Specifications

ParameterSpecification
Power SupplyDC 12 V
Power Consumption0–36 W
Working Environment-20°C to +65°C
Communication InterfaceRS485
Working Current3 mA @ DC12V
Shortest Data Interval0.5 s
Response Time≤10 s
Annual Stability≤ ±3%
Zero Drift≤6 W/m²
Inquiry Type
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