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Pyrheliometer DR15-A1

Pyrheliometer - DR15-A1 - Hukx
Pyrheliometer - DR15-A1 - Hukx
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Go to the Hukx website for more information

Description

Product overview

  • The DR15-A1 is an analog, spectrally flat Class B pyrheliometer by Hukx designed for high-accuracy measurement of direct normal irradiance (DNI) on tracker-mounted systems. It includes front-window heating to minimise dew and frost and provides analog millivolt outputs for direct integration with data acquisition systems.


Key features
  • High-accuracy measurement of direct (normal incidence) solar radiation, optimised for tracker operation.
  • Spectrally flat Class B instrument compliant with ISO 9060:2018.
  • Low-power front-window heating to improve data availability in dew and frost conditions.
  • Analog millivolt output compatible with standard measurement and logging systems.


Technical specifications
  • Measurand: direct normal irradiance (DNI)
  • ISO 9060:2018 classification: spectrally flat Class B pyrheliometer
  • Calibration uncertainty: < 1.2 % (k = 2)
  • Heating: included (front-window heating)
  • Heater power: 1 W at 12 VDC
  • Response time (95%): 4 s
  • Full field of view angle: 5°
  • Slope angle: 1°
  • Zero offset A (5 K/hr): < ± 1 W/m²
  • Calibration traceability: to WRR
  • Output: analog mV
  • Spectral range: 200–4000 nm
  • Rated operating temperature range: -40 to +80 °C
  • Temperature response: < ± 1 % (-10 to +40 °C)
  • Calibration certificate: included (individual instrument test results for sensitivity and response time provided)
  • Individual temperature response test: not provided
  • Standard cable length: 5 m


Applications
  • Solar resource assessment and DNI monitoring for tracker-mounted photovoltaic systems.
  • Performance verification of concentrating solar and PV tracking installations.
  • Research and meteorological measurements requiring accurate direct-beam irradiance data.


Calibration & delivery
  • Delivered with calibration certificate traceable to WRR; instrument individual sensitivity and response time results included.
  • Standard supply includes DR15-A1 with 5 m cable. Accessories and mounting hardware available on request.

Catalogs

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Other Hukx products

Pyrheliometers

*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.