WT81 digital luxmeter is a professional instrument for measuring illumination and brightness, which can be used in light intensity measurement engineering, quality control, illness prevention and treatment and measurement of light intensity in all kinds of environments such as factories, schools, offices, transportation routes, families, etc.
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Measuring function
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Illumination and temperature, difference value,
max value, min value of illumination
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Main parts of photometer
head
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Photodiode+cosines corrector+correction filter
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Temperature probe
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NTC thermistor
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Illuminance
measuring range
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Total measuring range:0~200,000 Lux,into
four ranges
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×1：0 ~ 199.9 Lux
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×10：200 ~ 1999.9Lux
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×100：2000 ~ 19999.9Lux
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×1000：20000 ~200000Lux
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Temperature
measuring range
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-9.9℃ ~ 49.9℃
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Illuminance
accuracy
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±3%rdg (below 10000 Lux);
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±4%rdg (above 10000 Lux)
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Temperature accuracy
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±1.0 ℃
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