RH-48B Brightness Meter
The instrument is mainly used to test the whiteness of diversified objects such as paper and board, pulps and chemical fiber, textile, plastic, ceramic, enamel, fecula, salt, white cerement, porcelain clay and French chalk, etc. It can also be used to test the optical performance of sheet materials.
Standards: GB 7973¡¢GB 7974¡¢ISO 2470¡¢GB 8940.2¡¢GB1840¡¢
GB13025.2¡¢ISO2471¡¢GB1033-89¡¢
GB 1543-88¡¢GB T/5950¡¢GB 2913ect.
Specifications£º
1. Indication Drift: ≤0.1
2.Repetitive error: ≤0.1
3. Indication error: 0.5%
4. Sample size: Test plate diameter should not be less than 30mm
while sample thickness should not exceed 40mm.
5. Power supply: 220V ± 10£¥, 50Hz, 0.4A
6. Measure time: 3s
7. Working condition:Temp.0-40oC, relative humidity£¼85£¥.
8. Size and weight: L×W×H£½365×260×425mm, 11kg
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Crush Tester
Vistor£¡