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Whiteness Meter 61-PPT101 is used to measure the whiteness of objects. Its compact, advanced circuit design ensures the accuracy and stability of measurement data. It measures ISO (R457) whiteness and fluorescence whitening of the materials. The whiteness meter is provided with light absorber to eliminate the influence of specular reflection of the sample.
Specifications
| Sample (size) length | Diameter ≥30 mm, Thickness ≤ 40 mm |
| System | D/0 lighting geometrical viewing conditions, diffuser diameter (d) 150mm, testing hole diameter 30mm |
| Light source | D65 as illuminating source |
| Zero drift | ≤ 0.1 % |
| Indication drift | ≤ 0.1 % |
| Indication error | ≤ 0.5 % |
| Repeatability error | ≤ 0.1 % |
| Mirror reflection error | ≤ 0.1 % |
| Dimension (L*W*H) | 360 × 264 × 400 mm |
| Net weight | 20 kg |
| Power supply | 220 V ± 10 %, 50 Hz |
Features
Applications
Whiteness meter is widely used to measure whiteness in paperboard, textile printing & dyeing, paint, plastic products, ceramic, enamel, detergent, cosmetics.
Lab Expo offers Paper Testing Instruments designed for a wide range of sample sizes to test packaging materials with high precision. Our paper testing instruments are designed with a compact and portable structure, easy to transport, and ideal for testing in various environments. They offer a built-in printer that ensures efficient printing of test results for seamless documentation. Their advanced signal-transmitting pressure system offers precise control, ensuring reliable and accurate performance. Our instruments feature a user-friendly LCD to provide real-time monitoring of stiffness and burst strength values.