NRG R2 Pyranometer

The NRG R2 is a class A pyranometer that provides highly accurate solar irradiance data at an extremely competitive price.

  DIGITAL (#9462) ANALOG (#9461)
Description
Sensor type Thermopile solar radiation sensor; ISO 9060:2018 Class A (Secondary Standard) compliant Thermopile solar radiation sensor; ISO 9060:2018 Class A (Secondary Standard) compliant
Applications
  • Solar resource assessment and monitoring
  • Meteorological studies
  • Environmental monitoring
  • Solar resource assessment and monitoring
  • Meteorological studies
  • Environmental monitoring
Sensor range -200 to 4000 W/m^2 -200 to 4000 W/m^2
Spectral range 283 to 2800 nm 283 to 2800 nm
Instrument compatibility NRG SymphoniePRO and LOGR-S Data Loggers NRG SymphoniePRO and LOGR-S Data Loggers
Certifications Class A classification per ISO 9060:2018 Class A classification per ISO 9060:2018
Input signal
Signal type (sensor output) n/a Passive in mV
Output signal
Signal type RS485 Modbus RTU n/a
Accuracy Class A (Secondary Standard) per ISO 9060:2018 Class A (Secondary Standard) per ISO 9060:2018
Calibration Characterization report included with each sensor; traceable to World Radiometric Reference (WRR) Characterization report included with each sensor; traceable to World Radiometric Reference (WRR)
Uncertainty Calibration uncertainty < 2% Calibration uncertainty < 2%
Power requirements
Supply voltage 7 to 30 V DC N/A - Passive Sensor
Installation
Mounting Mounts to tower using NRG's Mounting Plate | Pyranometer, Gen II (14357)
more mounting options available 		Mounts to tower using NRG's Mounting Plate | Pyranometer, Gen II (14357)
more mounting options available
Tools required
  • Phillips head screwdriver (No. 1)
  • 4 mm hex key
  • 7 mm wrench
  • 8 mm wrench
  • coin for removing desiccant cartridge
  • Phillips head screwdriver (No. 1)
  • 4 mm hex key
  • 7 mm wrench
  • 8 mm wrench
  • coin for removing desiccant cartridge
Environmental
Operating temperature range -40C to 80C (-40F to 176F) -40C to 80C (-40F to 176F)
Operating humidity range 0 to 100% 0 to 100%
Physical
Connections
  • 5-pole M12 connector on sensor body
  • Bare wire leads from cable connect directly to logger
  • See also logger user manual for wiring diagram
  • 5-pole M12 connector on sensor body
  • Bare wire leads from cable connect directly to logger
  • See also logger user manual for wiring diagram
Cable length Various lengths available (3.5-50m) Various lengths available (3.5-50m)
Weight 1.37 lbs (0.62kg) 1.37 lbs (0.62kg)
Dimensions 137 mm diameter x 101 mm high (with feet)
137 mm diameter x 81 mm high (without feet) 		137 mm diameter x 101 mm high (with feet)
137 mm diameter x 81 mm high (without feet)
Materials
Detector Thermopile Thermopile
Enclosure IP67 weatherproof anodized aluminum enclosure and stainless steel hardware IP67 weatherproof anodized aluminum enclosure and stainless steel hardware

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