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POLWAX PLXSRT300 Solar Radiation Transmitter

Solar Radiation Transmitters · Pyranometer

PLXSRT300 Solar Radiation Transmitter

Model PLXSRT300

Pyranometer for global solar radiation, 0–1800 W/m², 180° field of view, RS485 Modbus RTU and analogue outputs.

Range
0 to 1800 W/m²
Accuracy
±3 %
Outputs
RS485, 4–20 mA, 0–5 V, 0–10 V
Field of view
180°
Request a Quote Request Datasheet

Overview

The POLWAX PLXSRT300 is a pyranometer for continuous measurement of global solar radiation across a full 180° hemispherical field of view. A high-accuracy photoelectric sensing element with wide spectral response delivers stable irradiance data under varying environmental and climatic conditions.

Key features

  • High-precision photosensitive element with full-spectrum absorption
  • 180° hemispherical measurement of global solar radiation
  • High-transmittance dust cover with anti-dust surface treatment
  • Built-in levelling bubble with mechanical adjustment
  • RS485 / 4–20 mA / voltage outputs

Technical specifications

Measurement ranges & outputs

Measurement ranges and outputs
Measurement parameterSolar radiation (global radiation)
Measurement range0 to 1800 W/m²
Resolution1 W/m²
Accuracy / non-linearity±3 %
Response time≤ 10 seconds
Field of view180°
Spectral responseFull spectrum (wide-band absorption)
Annual stability≤ ±2 %
Output signalsRS485 (Modbus RTU), 4-20 mA, 0-5 V, 0-10 V

Power supply & connectivity

Power supply and connectivity
Communication protocolModbus RTU (RS485)
Power supplyDC 7–30 V (analogue) / DC 9–30 V (RS485)
Power consumption≤ 0.6 W (RS485), ≤ 0.06 W (analogue)

Installation & environment

  • Fix the transmitter firmly on a stable pole or flat surface using the mounting holes.
  • Level the sensor with the built-in bubble and thumb screw.
Installation and environment
MountingPole / flat surface mounting
Level adjustmentBuilt-in levelling bubble with thumb screw
Housing materialIndustrial-grade aluminium alloy
ProtectionWeather-resistant housing for outdoor use
Operating temperature–25 °C to +60 °C
Operating humidity0–95 % RH (non-condensing)

Specifications are subject to change. Please check the current datasheet or ask our team before ordering.

Applications & industries

  • Solar power plant performance monitoring
  • Smart agriculture & greenhouse automation

Product enquiry

Request a quote for PLXSRT300 Solar Radiation Transmitter

Tell us about your application — what you need to measure, the range, number of points and where the instrument will be installed. Our team will reply with a recommendation and quotation.

  • Technical advice on model and options
  • Quotation for your quantity
  • Datasheets and documentation on request

Required fields

For example: measured parameter, range, number of points, output signal, installation location.

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Protection
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