SPM3 pyranometer from Kipp and Zonen is a Solar Insolation Solar Irradiance sensor

SMP3 Pyranometer -Highly accurate low maintenace

The SMP3 is a smart pyranometer with low maintenance and industry-standard digital (RS-485 Modbus) and analogue amplified outputs. Based on the proven CMP 3 technology the SMP3 adds Modbus® interface, improved response time and temperature corrected measurement data.

The SMP3 Pyranometer is considered an entry-level thermopile pyranometer. Though entry-level is it far superior to silicon sensor pyranometers and provides extremely accurate data which provide a detailed insight into the amount of solar radiation being received. The data can be relied upon for small scale PV solar farm installations, routine weather station observations and horticultural applications.

 

If you are unsure which pyranometer is best suited to your application then please contact us for advice. You can call or use the contact form on this page. We will respond to messages within 4 business hours.

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Description

Specifications

Spectral range (50% points) 300 to 2800 nm
Response time (63%) < 1.5 s
Response time (95%) < 12 s
Zero offset A < 15 W/m²
Zero offset B < 5 W/m²
Directional response (up to 80° with 1000 W/m² beam) 20 W/m²
Temperature dependence of sensitivity (-20 ºC to +50 ºC) < 3 %
Analogue output (-V version) 0 to 1 V
Analogue output (-A version) 4 to 20 mA
Digital output 2-wire RS-485

The SMP3 pyranometer solar irradiance sensor measures solar radiation (solar insolation) flux density (W/m²) on a planar surface. Widely used within the solar energy sector, the SMP3 provides high-quality data for monitoring photovoltaic performance of commercial rooftop and utility-scale solar installation. The SMP and CMP range of pyranometers utilise a thermopile sensor.  Thermopile sensors absorb a greater spectrum of solar radiation and have a near-perfect cosine response. As a result, they are considered superior.

For more information on how the SMP3 Pyranometer functions click here.

Kipp and Zonen SMP10 Accessories:
  • AMPBOX – Boosts the pyranometers output signal
  • Ventilation unit – Maintains the pyranometer temperature. Prevents dew, dust, frost, and snow build up.
  • Mounting plate (unventilated) – One or two (albedometer) pyranometers can be mounted.
  • Mounting plate (ventilated) – One or two (albedometer) pyranometers with ventilation units can be mounted
  • Mounting brackets – For fixing the mounting plate to the appropriate wall or pole.
  • Shadow Ring – Blocks direct radiation
  • Adjustable tilt kit – Allows precise alignment of the pyranometer’s angle. Ideal for Plane of Array studies.
  • Cable lengths – Various cable lengths available 10, 25, 50 and 100m.

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