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COMPACT SUNPHOTOMETER

The Middleton SP02 Sunphotometer consists of four narrow-bandpass spectro-pyrheliometers, axially aligned in a sealed enclosure.

SP02: $12100 AUD
SP02-L: $12500 AUD
Available: 8 weeks

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The Middleton Solar SP02 Sunphotometer is a simple low-cost instrument for the determination of the spectral optical depth of the atmosphere. It can be configured for total & aerosol optical depth measurement, column ozone measurement, and assessment of water vapour amounts. It consists of four precision spectro-pyrheliometers axially aligned in a sealed enclosure. The SP02-L version has a narrower field of view to diminish light scatter from the sun aureole in locations that have a high aerosol load, such as northern Europe.

SP02

 SP02

Performance Specification

SP02

SP02-L

field of view

5.0°

2.5°

slope angle

1.6°

0.7°

limit angle

3.5°

1.8°

output signal x 4 channels

-0.05 to +4.5 VDC max.

 

resolution

<0.005OD (Langley method)

 

response time

0.2s to 99%

 

operating temperature

-30°C to +70°C

 

EXCELLENT STABILITY, COMPACT, RELIABLE

Four channels operate simultaneously.

Large 25mm interference filters for long-term stability.

Negligible temperature error.

Excellent Optical Depth resolution.

Use the AST-02 Active Solar Tracker to aim the SP02 at the sun.