Whiteness meter TP-A11 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.
Buy Now View Catalog| Sample (size) length | Diameter ≥30 mm, Thickness ≤ 40 mm |
| Sample width | |
| Measuring range | |
| Measurement mode | |
| Stability | |
| Accuracy | |
| Tensile strength velocity | |
| Tensile return velocity | |
| Sample loading | |
| Clamp air pressure | |
| Repeatability | |
| 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 % |
| Test speed | |
| Repeatability error | ≤ 0.1 % |
| Mirror reflection error | ≤ 0.1 % |
| Light measurement | |
| Storage | |
| Dimension (L*W*H) | 360 × 264 × 400 mm |
| Net weight | 20 kg |
| Power supply | 220 V ± 10 %, 50 Hz |
Whiteness meter is widely used to measure whiteness in paperboard, textile printing & dyeing, paint, plastic products, ceramic, enamel, detergent, cosmetics.
Measurement range : 0 to 200 mm
Specimen size : 15×250 mm
Division value : 1 mm
Measuring scope : 0 to 99999 s
Folding angle : 135° ± 2°
Tensile scope : 4.9 to 14.7 N
Measurement range : 0 to 1600 kPa
Accuracy : ± 0.5 % F.S.
Compression speed : 95 ± 5 ml/min
Sample (size) length : Diameter ≥30 mm, Thickness ≤ 40 mm
Measurement mode : Diffuse reflection factor Rx, Ry, Rz, stimulus value Y10, X10, Z10, chromaticity coordinates x10, y10, z10; lightness L *, chroma a * b *, chroma C * ab, hue angle h * ab, dominant wavelength λd, excitement purity Pe, color difference ΔE * ab, lightness difference ΔL *, chroma difference ΔC * ab, hue difference ΔH * ab, Hunter system L , A, b
Stability : ≤ 0.1 within 30 min
Measurement range : 0 to 5600 kPa
Accuracy : ± 0.5 % F.S.
Compression speed : 170 ± 15 ml/min
Measuring range : 0 to 20 mm
Accuracy : 0.01 mm
Gauge : Analogue gauge display
Measuring range : 1 to 50 kN
Indication error : < ± 1%
Platen Size : 800×800 mm/ 1000×1000 mm/ 1200×1200 mm/ 1500×1500 mm (customized)
| Preliminary test force | 98 N |
| Total test force | 588, 980, 1471 N |
| Total test force dwell time | 0 to 30 S |
| Preliminary test force | 98 N |
| Total test force | 588, 980, 1471 N |
| Total test force dwell time | 1 to 30 S |
| Measuring range | 0.001 to 9999 |
| Stability | A (absorbency of light) <0.003 within 3 mins |
| Linearity error | <3.0 % |
| Measuring range | 0.001 to 9999 |
| Stability | A (absorbency of light) <0.003 within 3 mins |
| Linearity error | <3.0 % |
| The maximum temperature | 300°C |
| Temperature fluctuation | Within ± 0.5°C |
| Temperature uniformity | Within ± 1°C |
| Vacuum degree | 0 to 90 KPa |
| Accuracy | 1 % FS |
| Resolution | 0.1 KPa |
| Test angle | 60° |
| Gloss aperture | 2 × 3 mm |
| Measurement range | 0 to 1000 GU |
| Temperature control range | Room temperature to -70 ℃ (room temperature ≤ 25 ℃） |
| Temperature accuracy | ± 0.3 ℃ |
| Impact speed | 0℃ to -30℃ around 2.5 ℃/min -30℃ to -40℃ around 2.5 ℃/min -40℃ to -70℃ around 2.0 ℃/min |
| Mixed capacity | 0.5 to 1 kg, 2 to 3 kg, 5 to 7 kg |
| Temperature range | RT to 300°C |
| Temperature control system | PID control |
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