Delta-T SPN1 Sunshine Pyranometer

Collect high-quality global and diffuse radiation as well as sunshine duration using the Delta-T SPN1 Sunshine Pyranometer.

  SPN1 (#10535)
Description
Sensor type Thermopile solar radiation sensor
Applications
  • Solar resource assessment and monitoring
  • Meteorological studies
  • Argonomy & plant science
Sensor range 0W/m2 to 2000W/m2
Spectral range 400nm to 2700nm
Instrument compatibility
  • NRG SymphoniePRO logger with P-SCM#9132
  • Logger measurement range 0 W/m2 to 1500W/m2
Measurement range Sunshine status threshold:
120W/m2 in the direct beam
Output signal
Sensitivity Analogue output sensitivity:
  • 1mV = 1W/m2

    Spectral sensitivity variation:
  • 10% (typical)
Linearity > 99%
Stability Recalibration recommended every 2 years
Response time 100ms (typical)
Accuracy Total (Global) and Diffuse radiation:
  • ±5% Daily integrals
  • ±5% ±10W/m2 Hourly averages
  • ±8% ±10W/m2 Individual readings

    Sunshine status:
  • ±10% sun hours with respect to the threshold

    Cosine correction:
  • ±2% of incoming radiation over 0-90° Zenith angle

    Azimuth angle
  • ±5% over 360° rotation
Output signal range 0 - 2500mV

Sunshine status output:
  • No sun = open circuit
  • Sun= short circuit t ground
Resolution 0.6W/m2 = 0.6mV
Performance characteristics
Tilt Tilt response:
Negligible
Power requirements
Supply voltage 5V - 15V DC
Heater supply voltage 12V - 15V DC
Heater supply current Up to 1.5A
Power Required <30μA (asleep) to 2mA (awake)
Installation
Mounting 3 x M5 tapped holes in base at 108mm dia., 120° spacing
Environmental
Operating temperature range -40 to +70°C (-40 to +158°F)
Temperature dependence Temperature coefficient:
0.02% per °C (typical)
Other Zero offsets:
  • < 3W/m2 for a change of 5°C/hr in ambient temperature
  • < 3W/m2 dark reading

    Latitude capability:
  • -90° to +90°
Physical
Connections RS232 Connector:
  • 5-pin M12
    Signal output & power-in connector:
  • 8-pin M12
Weight 786g (1.73 lb)
Dimensions 126mm dia. x 94mm high (5" dia. x 3.7" high)
Materials
Enclosure Environmental sealing: IP67

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