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.
View CatalogMeasuring 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) |
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Accuracy | ±0.1 s within 300 s |
Vacuum system volume (ml) |
Bigger volume: 380 ± 1 Smaller volume: 38 ± 1 |
Contact pressure | 100 ± 2 kPa |
Vacuum scope |
I) 50.66 to 48.00 II) 50.66 to 48.00 III) 50.66 to 29.33 Automatic: No limit |
Air volume (50.66 kPa down to 48.00 kPa) |
Big vacuum volume: 10.00 ± 0.20 ml Small vacuum volume: 1.00 ± 0.05 ml |
Dimension | 325×390×430 mm |
Net weight | 30 kg |
Power supply | AC220 V ± 10 % , 50 Hz |
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.
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 |
Repeatability | Rx, Ry and Rz s ≤ 0.1 chromaticity co-ordinate s ≤ 0.0010, R457 s ≤ 0.10 |
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 % |
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 |
Dimension (L*W*H) | 220 × 230 × 350 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 % |
Tensile strength velocity | 1 to 399 mm/min (adjustable) |
The maximum temperature | 300°C |
Temperature fluctuation | Within ± 0.5°C |
Temperature uniformity | Within ± 1°C |
Rotate speed of the turntable | 11 r/min to 12r/min, turntable dimension diameter: 285 mm |
Quantity of heaters | 2 pcs |
Vacuum degree | 0 to 90 KPa |
Accuracy | 1 % FS |
Resolution | 0.1 KPa |
Vacuum chamber effective size | 270 × 210 mm |
Vacuum chamber size | 300 × 350 mm |
Resolution | 0.1 % O2 |
Measuring range | 0 to 100 % O2 |
Precision | ± 0.4 % O2 |
Response time | < 10 S |
Display precision | 0.1 ± 1 % |
Temperature range | 10 to 35°C |
Maximum falling height | 2000 mm |
Resolution of displacement | 1 mm |
Height error | < ± 2 mm |
Hammer mass | 0.25 to 16 kg |
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 |
Max dimension L × W × H | 910 × 510 × 860 mm |
Effective test space of the chamber L × W × H | 280 × 170 × 120 mm |
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 |
Heater | Cylindrical mold |
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 |
Horizontal displacement | 4.2 mm/ rotation |
Control temperature range | Normal temperature to 200°C |
Temperature display resolution | 0.01°C |
Temperature control accuracy | ± 0.3° |
Calibration accuracy | Mooney value ± 0.5 |
Rotor speed | 2 rpm |
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 |
Resolution | 0.5 HR |
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 |
Resolution | 0.1 HR |
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 |
Magnification of Microscope | 37.575 x |
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 % |
Hardness indication | Digital display |
Hardness value range in Measure | 5 HV to 2500 HV |
Measuring range | 0.001 to 9999 |
Stability | A (absorbency of light) |
Linearity error |
Repeatability error | A (absorbency of light) |
Wavelength range | Red light: 680 ± 2 nm, Blue light: 420 ± 2 nm, Green light: 510 ± 2 nm, Orange light: 590 ± 2 nm |
Measuring range | 0.001 to 9999 |
Stability | A (absorbency of light) |
Linearity error |
Repeatability error | A (absorbency of light) |
Wavelength range | Red light: 680 ± 2 nm, Blue light: 420 ± 2 nm, Green light: 510 ± 2 nm |
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 |
Temperature compensation | 0 to 50°C |
Measuring range | 0 to 100 kPa |
Resolution | 0.01 kPa |
Accuracy | ± 1 kPa |
Soil temperature measuring range | -55 to 105°C |
Temperature accuracy | ± 1°C |