SR30-L Class A Pyranometer

with RS-485 Modbus Communications with Integrated Heating and Ventilation

The SR30-L, an ISO 9060:2018 spectrally flat Class A (secondary standard) pyranometer manufactured by Hukseflux, features Recirculating Ventilation and Heating (RVH™) technology. As a standalone unit, the SR30-L is fully compliant with IEC 61724-1 standards, whereas other pyranometers would require external ventilation/heating units to be compliant. The SR30-L is an ideal instrument for solar resource and PV performance monitoring.

Benefits and Features

    • Heated for high data availability, featuring RVH™ technology
    • Compliant with IEC 61724-1:2021 Class A
    • Remote sensor diagnostics
Category:
Sensor High-quality blackened thermopile protected by two glass domes with integrated heater and ventilation
Measurement Description Monitors solar radiation for the full solar spectrum range
Hemispherical Solar Radiation
Heater RVH™ (Recirculating Ventilation and Heating)
ISO Classification Spectrally flat Class A (secondary standard) ISO 9060:2018
IEC 61724-1:2021 Compliance Class A
Calibration Uncertainty < 1.2% (k = 2)
Heating Included
Ventilation Included
Technology Employed Recirculating Ventilation and Heating (RVH™)
Standard Operating Mode Heated and ventilated
Power Consumption @ 12 Vdc < 2.3 W
Zero Offset A < 2 W/m2
Calibration Traceability To WRR
Calibration Registers Accessible to users
Spectral Range 285 to 3000 x 10-9 m
Sensitivity Digital output
Operating Temperature Range -40 to +80°C (rated)
Temperature Response < ±0.4% (-30 to +50°C)
Temperature Response Test of Individual Instrument Report included
Directional Response Test of Individual Instrument Report included
Rated Operating Voltage Range 8 to 30 Vdc
Sensor Tilt Angle
Tilt Measurement Uncertainty ±1° (0 to 90°)
Tilt Sensor Test of Individual Instrument Report included
Operation in Low-Power Mode
Operating Condition Heater and ventilator [OFF]
Zero Offset A 5 W/m2 (unventilated)
Power Consumption @ 12 Vdc < 0.1 W
Digital Output
Output
  • Modbus RS-485
  • Irradiance in W/m2
  • Instrument body temperature in °C
  • Tilt angle in °
  • Internal humidity in %
  • Ventilator speed in RPM
Communication Protocol Modbus over two-wire RS-485
Transmission Mode RTU

Brochures: SR30-L Class A Pyranometer

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Manuals: SR30 ISO Spectrally Flat Class A (Secondary Standard) Pyranometer

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