Whiteness meter TP-A11

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.

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
  • Stimulate D65 illuminator to illuminate
  • Adopted with D/0 lighting geometrical viewing conditions
  • Determination of brightness stimulation value
  • Determine the opacity
  • Determination of transparency
  • Determination of light scattering coefficient 'S' and optical absorption coefficient 'A'
  • Measuring ink absorption value
  • Equipped with RS232 interface, with PC connections for data communication
  • Use of large screen color touch LCD to view measurement, statistical data
  • User-friendly data operations
  • Power protection, No loss of data on Power off

Whiteness meter is widely used to measure whiteness in paperboard, textile printing & dyeing, paint, plastic products, ceramic, enamel, detergent, cosmetics.

Measuring range 0 to 1000 mN
Resolution 0.1 mN
Indication error ± 1 %
Tearing arm 104 ± 1 mm
Measurement range 0 to 5600 kPa
Accuracy ± 0.5 % F.S.
Compression speed 170 ± 15 ml/min
Clamp pressure ≥ 690 kPa
Measuring range 1 to 50 kN
Indication error < ± 1%
Platen Size 800×800 mm/ 1000×1000 mm/ 1200×1200 mm/ 1500×1500 mm (customized)
Operating stroke 800 mm/ 1000 mm/ 1200 mm/ 1500 mm (customized)
Measuring scope 0 to 99999 s
Folding angle 135° ± 2°
Tensile scope 4.9 to 14.7 N
Folding head suture size 0.25 mm, 0.50 mm, 0.75 mm, 1.00 mm
Testing speed 200° ± 20° / min
Test range 1 to 10000 mN
Indicating Error ± 1 %
Testing length 5, 10, 15, 20, 25, 50 mm
Sample width 15 mm
Sample maximum length 300 mm
Parallelism ≤ 0.1 mm
Dimension 240×520×70 mm
Measuring range 10 to 1000 mN
Division value 1 mN
Accuracy ± 1%
Indicating Error ≤ 0.5
Sample (size) length 90 to 200 mm
Sample width 15 mm, 25 mm, 50mm
Measuring range 0 to 30, 0 to 100 N,0 to 300 N
Accuracy ± 1 %
Measuring range 0 to 1000 ml/min
Test area 10 ± 0.02 cm2
Area differential pressure 1 ± 0.01 kPa
Inner diameter of grip ring 35.68 ± 0.05 mm
Measuring range 0.1 to 10 kN
Indication error < ± 1%
Platen Size 500×500 mm (customized)
Operating stroke 500 mm (customized)
Sample (size) length 180 mm (180, 150, 100, 90, 50 mm adjustable)
Sample width 15 mm
Measuring range 0 to 30, 0 to 100 N,0 to 300 N, 0 to 500 N, 0 to 1000 N
Accuracy ± 1 %
Measurement range 0 to 1600 kPa
Accuracy ± 0.5 % F.S.
Compression speed 95 ± 5 ml/min
Clamp pressure ≥ 430 kPa
Capacity A: 20 to 500 J/m2 B: 500 to 1000 J/m2
Impact angle 90°
Unit Lb-ft/in2  J/m2
Error A: ± 1 J/m2 B: ± 2 J/m2
Metal Cylinder inner area (100 ± 0.2) cm2
Metal Cylinder height 50 mm
Metal roller width (200 ± 0..5) mm
Metal roller weight (10 ± 0.5) kg
Measurement range 5 to 500 N, 50 to 3000 N
Resolution 1 N
Accuracy ± 1 %
Variability ≤ 1 %
Test angle 60°
Gloss aperture 2 × 3 mm
Measurement range 0 to 1000 GU
Repeatability 0.2 GU (0 to 100 GU), 0.2 % GU (100 to 1000 GU)
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
Display LED display
Test arm weight 2.5 N
Additional Loads 2.5 ± 0.1 N, 5 ± 0.1 N, 10 ± 0.1 N,
Idler 150 mm
Abrasion stroke 40 ± 0.2 M
Temperature control range Room temperature to -70 ℃ (room temperature ≤ 25 ℃)
Temperature accuracy ± 0.3 ℃
Impact speed 0℃ to -30℃ around 2.5 ℃/min </br> -30℃ to -40℃ around 2.5 ℃/min </br> -40℃ to -70℃ around 2.0 ℃/min</br>
Max dimension L × W × H 910 × 510 × 860 mm
Measuring range 0.001 to 9999
Stability A (absorbency of light) <0.003 within 3 mins
Linearity error <3.0 %
Repeatability error A (absorbency of light) <0.005
Measuring range 0.001 to 9999
Stability A (absorbency of light) <0.003 within 3 mins
Linearity error <3.0 %
Repeatability error A (absorbency of light) <0.005
Salinity Measurement range 0.00 to 19.99 ms/cm
Measuring accuracy EC ± 2% full scale
Temperature Measurement range -5 to 50°C
Temperature accuracy ± 0.5°C
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
Accuracy Chromaticity co-ordinate 0.0001
Sample (size) length 38×70 mm
Measuring range (1-500) mN.m (divided into 7 small ranges)
Indication error 0.02
Test speed (200° ± 20°)/ min
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 %
Preliminary test force 98 N
Total test force 588, 980, 1471 N
Total test force dwell time 0 to 30 S
Hardness indication Analogue display
Preliminary test force 98 N
Total test force 588, 980, 1471 N
Total test force dwell time 1 to 30 S
Hardness indication Digital display
Preliminary test force 98 N
Total test force 588, 980, 1471 N
Brinell hardness test 306, 613, 1839 N
Vickers hardness test 294, 588, 980 N