Bekk Smoothness tester TP-L20

Bekk Smoothness tester TP-L20 with microprocessor controlled system is used for determination of smoothness of the paper & cardboard by ‘Bekk Method’. Equipped with high-precision sensor and imported oil-free vacuum pump for smooth operations. The test results generated with Bekk smoothness tester, has shown correlation with print smoothness evaluation using offset ink.

Measurement range
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)
Folding angle
Tensile scope
Folding head suture size
Folding radius
Resolution
Accuracy ±0.1 s within 300 s
Variability
Speed
Vacuum system volume (ml) Bigger volume: 380 ± 1<br/> Smaller volume: 38 ± 1
Contact pressure 100 ± 2 kPa
Vacuum scope I) 50.66 to 48.00<br/> II) 50.66 to 48.00<br/> III) 50.66 to 29.33<br/> Automatic: No limit
Air volume (50.66 kPa down to 48.00 kPa) Big vacuum volume: 10.00 ± 0.20 ml<br/> Small vacuum volume: 1.00 ± 0.05 ml
Maximum distance
Compression speed
Clamp pressure
Diameter of upper clamp
Diameter of lower clamp
Pneumatic pressure
Film resistance
Dimension 325×390×430 mm
Net weight 30 kg
Power supply AC220 V ± 10 % , 50 Hz
  • Fast measurement mode
  • Adopted with vacuum sealed plastic & advanced sealing technology
  • 7 inch colored touch screen
  • CAM & spring structure design with 100 N pressure
  • Data communication via PC software
  • USB cable connection

Smoothness tester is used in testing smoothness of coated label papers, sheets, smooth textures papers, printing papers photographs papers etc. in paper, printing packaging industry.

Measuring range 0 to 20 mm
Accuracy 0.01 mm
Gauge Analogue gauge display
Contact pressure (to create false weight) 20 ± 0.5 kPa
Measurement range 0 to 1600 kPa
Accuracy ± 0.5 % F.S.
Compression speed 95 ± 5 ml/min
Clamp pressure ≥ 430 kPa
Sample size (L*B) 230×50 mm (can join short samples together)
Rub pressure 20 ± 0.2 N
Friction speed 43 times / min
Friction area (L*B) 155×50 mm
Sample diameter 125 mm
Sample error ± 0.2 mm
Sample Thickness 0.1 to 1.0 mm
Dimension 240×288×435 mm
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
Measuring range 0 to 1000 mN
Resolution 0.1 mN
Indication error ± 1 %
Tearing arm 104 ± 1 mm
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 %
Measurement range 0 to 200 mm
Specimen size 15×250 mm
Division value 1 mm
Number of specimen holders 5
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
Measurement range 0 to 100° SR
Sealed testing speed 100 ± 10 mm/s
Volume of distilled water 1000 ± 5 ml
Draining time 149 ± 1 s
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 %
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
Measuring range A (1 to 6) J indicating error ± 0.05 J<br/> B (1 to 12) J indicating error ± 0.05 J<br/> C (1 to 24) J indicating error ± 0.05 J<br/> D (1 to 48) J indicating error ± 0.05 J<br/> The indicating errors w.r.t measurement range of 20 to 80 %
Frictional resistance <0.25 J
Pyramid dimension Three sides: 60×60×60 mm, height 25 ± 0.7 mm, Arris edge fillet radius 1.5 ± 0.1 mm
Dimension 800×470×840 mm
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 5600 kPa
Accuracy ± 0.5 % F.S.
Compression speed 170 ± 15 ml/min
Clamp pressure ≥ 690 kPa
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 %
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
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
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
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
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
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
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)
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
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
Brinell hardness test 306, 613, 1839 N
Vickers hardness test 294, 588, 980 N