portable fluorescent whiteness meter wsb-k8凯发手机app下载

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portable fluorescent whiteness meter wsb-1y
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technical parameters

model: station wsb - 1 y

measurement range: 0 ~ 199

content of measurement: blue ray whiteness r457 fluorescent whiteness f

light source: led light source

lighting conditions: comply with gb/t3978 regulation 45/0

display: lcd display

measuring the aperture: 15 ¢

minimum: 0.1

measurement repeatability: 0.2

error of indication: ≤ & plusmn; 1

using the environment temperature (5 ℃ ~ 35 ℃); humidity (& le; 85% rh)

transportation and storage environment: temperature (20 ℃ to 50 ℃); humidity (& le; 90% rh)

power supply: dc 1.5v× 5 aa alkaline dry batteries; ac 220v/50hz/ dc7.5v / 0.2a power adapter, ac/dc dual purpose.

configuration: portable aluminum alloy packing case


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