Hukseflux SR300-D1 Pyranometer

The SR300-D1 from Hukseflux is an industrial-grade, Class A pyranometer that measures solar irradiance with unparalleled reliability and accuracy.

  HUKSEFLUX SR300-D1 PYRANOMETER (#19864)
Description
Sensor type Thermopile solar radiation sensor; ISO 9060:2018 Class A (Secondary Standard) compliant
Applications
  • Solar resource assessment and monitoring in compliance with IEC 61724-1:2021
  • Meteorological studies
  • Environmental monitoring
Sensor range -400 to 4000 W/m^2
Spectral range 285 to 3000 nm
Instrument compatibility NRG SymphoniePRO and LOGR-S / Solar Data Loggers
Certifications Class A classification per ISO 9060:2018
Class A compliant per IEC 61724-1:2021
Output signal
Signal type Modbus RS-485; available measurands include:
  • Solar irradiance (temperature compensated) in W/m2
  • Solar irradiance (uncompensated) in W/m2
  • Instrument body temperature in degrees C
  • Instrument internal humidity in %
  • Instrument tilt angle in degrees
  • Ventilator speed in RPM
  • Heater current in mA
Accuracy Class A (Secondary Standard) per ISO 9060:2018
Calibration Characterization report included with each sensor; traceable to World Radiometric Reference (WRR)
Calibration uncertainty < 1.2% (k=2) as specified by Hukseflux
Power requirements
Supply voltage 8 to 30 VDC
Heater supply voltage 5 V
Power Required < 3 W in Standard Operating Mode (heater [ON], ventilator [ON])
< 1 W in Medium Power Operating Mode (heater [OFF], ventilator [ON])
< 0.5 W in Low Power Operating Mode (heater [OFF], ventilator [OFF])
Installation
Mounting Mounts to tower using NRG's Mounting Plate | Pyranometer, Gen II (14357) more mounting options available
Tools required 4 mm hex key
T10 torx key for opening sensor bottom
Environmental
Operating temperature range -40C to 80C (-40F to 176F)
Operating humidity range 0 to 100%
Physical
Connections Bare wire leads from cable connect directly to logger
See also logger user's manual for wiring diagram
Cable length Sold separately; options include:
  • 3.5 m (11.5 feet)
  • 5 m (16.4 feet)
  • 10 m (32.8 feet)
  • 20 m (65.6 feet)
  • 30 m (98.4 feet)
  • 50 m (164 feet)
Weight 0.65 kg (1.41 lbs) excluding cable
Dimensions 92 mm diameter x 99 mm high (3.62 inches diameter x 3.74 inches high)
Materials
Cable Shielded 5 conductor cable to 5-pole M12-A female connector
Detector Thermopile
Enclosure IP67 weatherproof anodized aluminum enclosure and stainless steel hardware

NRG Systems • 110 Riggs Road • Hinesburg, Vermont 05461 • +1 802-482-2255 • info@nrgsystems.com