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
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
  • 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.

Paper Testing Instruments

Paper air permeability tester TP-J10

Paper air permeability tester TP-J10

  • Measuring range
  • 0 to 1000 ml/min
  • Test area
  • 10 ± 0.02 cm2
  • Area differential pressure
  • 1 ± 0.01 kPa
Paper and cardboard thickness meter TP-E21

Paper and cardboard thickness meter TP-E21

  • Measuring range
  • 0 to 20 mm
  • Accuracy
  • 0.01 mm
  • Gauge
  • Analogue gauge display
Coefficient of friction tester TP-D10

Coefficient of friction tester TP-D10

  • Measurement range
  • 0.01 to 10 N
  • Slider weight
  • 200 g
  • Slider size
  • 63×63 mm
Mullen burst tester TP-K10

Mullen burst tester TP-K10

  • Measurement range
  • 0 to 5600 kPa
  • Accuracy
  • ± 0.5 % F.S.
  • Compression speed
  • 170 ± 15 ml/min

Plastic Testing Instruments

Heat sealer THS-A10

Heat sealer THS-A10

  • Seal temperature
  • Room temperature -250°C
  • Control accuracy
  • ± 0.2°C
  • Dwell time
  • 0.1 S to 999.9 S
Oxygen Index Tester TOIT-A10

Oxygen Index Tester TOIT-A10

  • Resolution
  • 0.1 % O2
  • Measuring range
  • 0 to 100 % O2
  • Precision
  • ± 0.4 % O2
Primary adhesive tester TPAT-A10

Primary adhesive tester TPAT-A10

  • Inclined adjustable angle
  • 0 to 40°
  • Panel width
  • 120 mm
  • Test area width
  • 80 mm
Aging Oven TAO-A10

Aging Oven TAO-A10

  • The maximum temperature
  • 300°C
  • Temperature fluctuation
  • Within ± 0.5°C
  • Temperature uniformity
  • Within ± 1°C

Rubber Testing Instruments

Three roll mill machine TRMM-A10

Three roll mill machine TRMM-A10

  • 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
DIN abrasion tester TDAT-A10

DIN abrasion tester TDAT-A10

  • Test arm weight
  • 2.5 N
  • Additional Loads
  • 2.5 ± 0.1 N, 5 ± 0.1 N, 10 ± 0.1 N,
  • Idler
  • 150 mm
Rubber Low Temperature Brittleness Tester TRBT-A11

Rubber Low Temperature Brittleness Tester TRBT-A11

  • 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
Rubber low temperature brittleness tester TRBT-A10

Rubber low temperature brittleness tester TRBT-A10

  • Temperature range
  • -60°C to 0°C
  • Temperature accuracy
  • ± 0.5°C
  • Impact speed
  • 2 m/s ± 0.2 m/s

NDT Testing Instruments

Rockwell hardness meter (motorized type) TRHM-B10

Rockwell hardness meter (motorized type) TRHM-B10

  • Preliminary test force
  • 98 N
  • Total test force
  • 588, 980, 1471 N
  • Brinell hardness test
  • 306, 613, 1839 N
Digital low load Vickers Hardness tester TDVH-A10

Digital low load Vickers Hardness tester TDVH-A10

  • Test force
  • 9.8 N, 49 N, 98 N, 196 N, 294 N, 490 N
  • Hardness value symbol
  • HV1, HV5, HV10, HV20, HV30, HV250
  • Error range in display
  • ± 3.0 %, ± 2.0 %
Digital Brinell hardness Tester TDBH-A10

Digital Brinell hardness Tester TDBH-A10

  • Test force
  • 612.5 N, 980 N, 1225 N
  • Brinell hardness test
  • 1837.5 N, 2450 N, 4900 N/7350 N, 9800 N, 14700 N/29400 N
  • Hardness measuring area
  • 8 to 650 HBW (hard metals steel ball)
Rockwell hardness meter TRHM-A10

Rockwell hardness meter TRHM-A10

  • Preliminary test force
  • 98 N
  • Total test force
  • 588, 980, 1471 N
  • Total test force dwell time
  • 0 to 30 S

Other Testing Instruments

Benchtop gloss meter TBGM-A10

Benchtop gloss meter TBGM-A10

  • Test angle
  • 60°
  • Gloss aperture
  • 2 × 3 mm
  • Measurement range
  • 0 to 1000 GU