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 CatalogSample (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.
Measuring range : 0 to 4 mm
Accuracy : 0.01 or 0.001 mm
Gauge : Analogue gauge display
Capacity : 10 -16000 mN
Resolution : 0.1 mN
Tearing arm : 104 ± 1 mm
Measuring scope : ( 1 to 9999) s, divided in to (1 to 15) s, (15 to 300) s, (300 to 9999) s, the automatic (no. more than 200 s)
Accuracy : ±0.1 s within 300 s
Vacuum system volume (ml) : Bigger volume: 380 ± 1
Smaller volume: 38 ± 1
Measuring range : 0 to 1000 ml/min
Test area : 10 ± 0.02 cm2
Area differential pressure : 1 ± 0.01 kPa
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
Capacity : A: 20 to 500 J/m2 B: 500 to 1000 J/m2
Impact angle : 90°
Unit : Lb-ft/in2 J/m2
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 |
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 % |
Test angle | 60° |
Gloss aperture | 2 × 3 mm |
Measurement range | 0 to 1000 GU |
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 |
Vacuum degree | 0 to 90 KPa |
Accuracy | 1 % FS |
Resolution | 0.1 KPa |
The maximum temperature | 300°C |
Temperature fluctuation | Within ± 0.5°C |
Temperature uniformity | Within ± 1°C |
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