Class A and Class B FAST RESPONSE PYRHELIOMETER
DN5-AF and DN5-BF Pyrheliometer for Solar Direct Irradiance
DN5-AF: $4690 AUD, Class A
DN5-BF: $4430 AUD, Class B
Available: 2 - 4 weeks
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The Middleton Solar DN5-AF is a FAST RESPONSE Spectrally Flat Class A pyrheliometer. The DN5-BF is a lower cost Class B version of the DN5-AF. Both are for measuring solar Direct Normal Irradiance (DNI) when aimed at the sun.
The DN5-AF and DN5-BF have a passive microvolt output.
|
Performance Specification |
ISO 9060:2018 Fast Response Class A |
DN5-AF & DN5-BF (typical) |
|
Response time |
< 0.5s (95%) |
0.3s (95%) |
|
Zero offset response (5°C/hour ) |
± 1 W.m-2 |
< ± 0.2 W.m-2 |
|
Non-stability (1 year interval) |
± 0.5% |
< 0.2% |
|
Non-linearity (100 - 1000 W.m-2) |
± 0.2% |
<± 0.2% |
|
Spectral error (280-4000nm) |
± 0.2% |
± 0.2% |
|
Temperature response |
± 0.5% |
<± 1% (DN5-BF) |
|
Tilt response (at 1000 W.m-2) |
± 0.2% |
<± 0.2% |
EXCELLENT PERFORMANCE, USER FRIENDLY, DURABLE
Window is optical sapphire for broad bandwidth and superior chemical & scratch resistance compared to glass or quartz.
Flush-mount window to prevent obstruction by rain or debris.
Marine-grade anodised aluminium for corrosion resistance.
Compact size and light weight.
Use the AST-02 Active Solar Tracker to aim the DN5-AF/BF at the sun.