欧美牲交A欧美牲交AⅤ_午夜国产成人久久精品_久久人人爽人人爽人人片AV不_亚洲精品精华液一区

IS09001 IS014001 / IS045001 certification enterprises

Generic general test class

WSB-3A Intelligent Digital Whiteness Meter:

About our product:

It is used to determine the whiteness and optical properties of textiles, silk, paper, paint, cotton chemical fiber, ceramic building materials, and daily chemical materials.
  • Product details
【product description】
It is used to determine the whiteness and optical properties of textiles, silk, paper, paint, cotton chemical fiber, ceramic building materials, and daily chemical materials.
【Standards compliant】
ISO2469, JJG512/48
【technical parameter】
1. Measurement content: ISO whiteness (ie R457 blue light whiteness), fluorescent whiteness
Transparency (T) and lightness stimulus value (V10)
Determine opacity (0)
Scattering coefficient and absorption coefficient
2. Test hole diameter: Φ32mm
3. Basic error: <0.5%
4. Indication error: ≤1.0%
5. Mirror reflection: <0.1
6. Zero drift: ≤0.1%/30min
7. Indication drift: ≤0.2%
8. Power supply: Ac220V+10% 50Hz 50w
9. Dimensions: 370×190×380mm
10. Weight: 15Kg
【Measurement function】
1. Measure ISO whiteness (ie R457 blue light whiteness), and also measure the fluorescent whiteness emitted by fluorescent substances for fluorescent whitened samples
2. Determine the transparency (T) and the lightness stimulus value of the object (V10)
3. Determine opacity (0)
Previous     Next

All rights reserved:Wenzhou Jigao Testing Instrument Co., LTDFor the record:浙ICP備13025812號-4