Digital Lux Meter WT81B
3.00AED
Digital Lux Meter WT81B
The 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.
Digital Lux Meter possesses the following features:
1. Measure current illumination and temperature.
2. Measure difference value, max value and min value.
3. Switch between illumination and temperature unit.
4. The measurement range is (0~200000) lux, auto switch of
measurement gear.
5. Automatic storage and manual storage of illumination data.
6. Setting of automatic power off.
7. Backlight and data holding.
8. The digital luxmeter is equipped with APP which passes through
Bluetooth, so as to facilitate all kinds of operations on the digital
luxmeter (For the bluetooth version only)
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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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Units of illuminance
and temperature
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Four combinations of units are available.
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Lux/℃
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Lux/℉
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FC/℃
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FC/℉
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Storage of
illumination data
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Automatic
storage
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Max number of data groups is 1000, and storage cycle is set by APP. |
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Manual
storage
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Max number of data groups is 67,
and whether to store data is
deceived by manual operation.
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Operating temperature/
humidity
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0 ~ 40℃，10 ~ 90%RH
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Storage temperature/
humidity
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-10 ~ 50℃，10 ~ 90%RH
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LCD screen update
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2 times/s
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Power source
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3* 1.5V AAA batteries
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Battery life
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About 200 hours(consecutive working time
without turning on Bluetooth and backlight)
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