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Hukseflux DR20 and DR15 Direct Pyrheliometers Datasheet
The DR20 (Class A) and DR15 (Class B) direct pyrheliometers feature a precision‑grinded quartz window, a compact collimating tube and a black‑coated thermopile sensor. Both models include a 1 W heater (12 VDC) that suppresses dew and frost, providing high data availability with very low power consumption.
These sensors are intended for solar energy surveys, resource assessments, meteorological networks and sites prone to dew or frost. They deliver a millivolt‑range analog output and meet ISO 9060:2018 specifications, offering excellent accuracy and temperature response for vertical solar irradiance measurements.
Covers: Introduction · Design Principle · Technical Parameters · Uncertainty Evaluation · User Benefits · Applications
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Hukseflux DR20 and DR15 Direct Pyrheliometers Datasheet
Datasheet 3 pages · 474 KB · ENThe Hukseflux DR20 and DR15 direct pyrheliometers are high‑precision solar radiation sensors with ISO 9060 A/B class, window heating and low‑power analog…
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Datasheet
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in Hukseflux manuals
What is the heater power consumption of the DR20 and DR15 pyrheliometers?
Both models use a 1 W heater powered at 12 VDC.
From: Hukseflux DR20 and DR15 Direct Pyrheliometers Datasheet
What ISO class do the DR20 and DR15 belong to?
The DR20 is ISO 9060 Class A and the DR15 is ISO 9060 Class B.
From: Hukseflux DR20 and DR15 Direct Pyrheliometers Datasheet