Cảm biến đo bức xạ mặt trời SR20-D2-L
Cảm biến đo bức xạ mặt trời SR20-D2
Cảm biến đo bức xạ mặt trời SR20
Cảm biến đo bức xạ mặt trời SR20-D2-L
Cảm biến đo bức xạ mặt trời SR20-D2
Cảm biến đo bức xạ mặt trời SR20

SR20-D2-L Digital Class A Pyranometer

9 ₫

The SR20-D2, manufactured by Hukseflux Thermal Sensors, is an ISO 9060:2018 spectrally flat Class A (secondary standard) digital pyranometer that measures solar short-wave radiation in a full hemisphere of the sky. It connects directly to a Campbell Scientific data logger and is designed for Modbus RTU applications that require high measurement accuracy in demanding applications such as scientific meteorological observation networks and utility scale solar-energy-power production sites.

Benefits and Features

    • Low temperature dependence
    • Onboard digital temperature sensor
    • Ultra robust connector, desiccant holder, and sun screen
    • Temperature dependence characterized and supplied for each instrument
    • Directional response tested on each instrument
    • Digital output (Modbus RTU)
Category:
Sensor HIgh-quality blackened thermopile protected by two glass domes
Measurement Description Monitors solar radiation for the full solar spectrum range
ISO Classification Spectrally flat Class A (secondary standard) pyranometer (ISO 9060:2018 )
WMO Performance Level High-quality pyranometer
Response Time 4.5 s
Zero Offset A 5 W/m2 (unventilated), 2.5 W/m2 (ventilated)
(response to 200 W/m2 net thermal radiation)
Zero Offset B ≤ ± 2 W/m2 (response to 5 K/h change in ambient temperature)
Non-Stability ≤ ± 0.5% change per year
Non-Linearity ≤ ± 0.2% (100 to 1000 W/m2)
Directional Response < ± 10 W/m2
Spectral Selectivity < ± 3% (0.35 to 1.5 x 10-6 m)
Temperature Response < ± 0.4% (-30° to +50°C)
Tilt Response < ± 0.2% (0 to 90° at 1000 W/m2)
Heater No heater available
Steady-state Zero Offset
  • < ± 0.5 W/m2 (at +20°C)
  • < ± 0.8 W/m2 (-40° to +80°C)
Calibration Uncertainty < 1.2% (k=2)
Level Accuracy < 0.1° (bubble entirely in ring)
Operating Temperature Range -40° to +80°C
Field of View (FOV) 180°
Measurement Range -400 to 4000 W/m2
Spectral Range 285 to 3000 x 10-9 m (20% transmission points)
Sensitivity Digital output
Output Definition Running average over 4 measurements (refreshed every 0.1 s)

Brochures: SR20-D2-L Digital Class A Pyranometer

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Manuals: SR20-D2 ISO Spectrally Flat Class A (Secondary Standard) Pyranometer

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