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DR15-A1 Analogue spectrally flat Class B pyrheliometer

Updated:2025-03-13

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  • Brand: Hukseflux
  • Model:DR15-A1
  • Description: DR15 pyrheliometer is an ISO 9060 spectrally flat Class B (old ISO classification “first class”) instrument. It replaces the models DR01, DR02 and DR03. DR15 is used in tracker-mounted operation, and
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Product Details

DR15-A1 Analogue spectrally flat Class B pyrheliometer: User's Manual Datasheet

DR15 pyrheliometers are applied in high-accuracy measurements of the solar radiation received by a plane surface from a 5 ° full field of view angle. This quantity, expressed in W/m2, is called “direct” solar radiation or DNI (direct normal irradiance). It is necessary to keep the instrument pointed at the sun by using a two-axis tracker.

DR15 pyrheliometers are applied in high-accuracy measurements of the solar radiation received by a plane surface from a 5 ° full field of view angle. This quantity, expressed in W/m2, is called “direct” solar radiation or DNI (direct normal irradiance). It is necessary to keep the instrument pointed at the sun by using a two-axis tracker.

DR15 complies with the Class B specifications of the ISO 9060:2018 standard. Each DR15 pyrheliometer is supplied with test results for the individual instrument:

  • sensitivity
  • response time
  • Each DR20 pyrheliometer also includes a test report on temperature response, as required by ISO 9060 for Class A classification.

    Suggested Use

  • Solar energy surveys
  • Solar resource assessments
  • Meteorological networks
  • Sites with dew and frost problems
  • Areas of Application

  • Meteorology / surface energy flux measurement
  • Solar energy / PV system performance monitoring
  • DR15-A1 Analogue spectrally flat Class B pyrheliometer Specifications:

    Measurand Direct solar radiation
    ISO classification Spectrally flat Class A
    Calibration uncertainty < 1.2 % (k = 2)
    Heating Included
    Heater 1 W at 12 VDC
    Response time (95 %) 4 s
    Full field of view angle 5 °
    Slope angle 1 °
    Zero offset < ± 1 W/m2
    Calibration traceability to WRR
    Spectral range 200 to 4000 x 10?? m
    Rated operating temperature range -40 to +80 °C
    Temperature response < ± 0.4 % (-30 to +50 °C) with correction in data processing
    Calibration certificate Included
    Temperature response test of individual instrument Report included
    Standard cable length 5 m

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