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Performance Specification
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ISO9060:1990 Secondary Standard
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ER08-S, SE (typical)
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Response time (to 95%)
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< 15s
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0.3s
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Zero off-set: a) 200 W.m-2
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+ 7 W.m-2
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< ± 0.2 W.m-2
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b) 5K.h-1
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± 2 W.m-2
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< ± 0.2 W.m-2
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Non-stability (per year)
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± 0.8%
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< 0.1%
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Non-linearity (100-1000W.m-2)
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± 0.5%
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< ± 0.2%
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Directional response (w.r.t. 1000 W.m-2)
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± 10 W.m-2 (30-80°)
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± 10 W.m-2 (0-80°)
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Spectral selectivity (0.35 to 1.5μm)
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± 3%
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< ± 3%
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Temperature response (for 50K interval)
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± 2%
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< ± 1%
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Tilt response (0-90°)
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± 0.5%
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< 0.2%
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