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ULTRAVIOLET PYRANOMETER

The Middleton UVR1-T, UVR1-A, and UVR1-B are precision instruments for measuring solar global ultraviolet irradiance.
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 UVR1-T:   AUD6750
UVR1-A:   AUD6750
UVR1-B:   AUD6975

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ULTRAVIOLET PYRANOMETER

UVR1-T: Broadband UV-Total Global Spectral Radiometer
UVR1-A: Broadband UV-A Global Spectral Radiometer
UVR1-B: Narrowband UV-B Global Spectral Radiometer

The Middleton Solar UVR1 series are precision filter radiometers for measuring solar global ultraviolet irradiance. The UVR1-T and UVR1-A are suitable for air pollution monitoring. The UVR1-B is suitable for biological and human erythema (sunburn) monitoring.

UVR1-B

Performance Specification

Response time

0.5s, for 10% to 90%

Resolution

< 0.1% of full-scale

Non-stability (per year)

< -3%

Non-linearity

< 1%

Directional error (cosine + azimuth)

< ± 2% (0- 85deg. zenith angle)

Sideband error (% signal, typical)

UVR1-T & UVR1-A: negligible.

UNR1-B: < 7%

Temperature error

negligible (when heater on)

 

NEGLIGIBLE COSINE ERROR, EXCELLENT STABILITY

Marine-grade aluminium, anodized for corrosion resistance.

Large diameter (25mm) interference filter for long-term stability.

Narrow internal field-of-view to avoid filter bandpass distortion.

No thermal error as detector and filter held at constant temperature.

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