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emco GPR Precision Smoothness Tester according to Bekk

emco GPR Precision Smoothness Tester according to Bekk
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Price: 0 VND
Manufacturer: Emco - Germany


# New standard DIN 53107: 2016-05 with a physically necessary complement to compensate the ambient air pressure! #

# All emco GPR devices meet the air pressure compensation since 2004! #

The emco GPR is a smoothness tester according to Bekk for paper with automatic compensation of air pressure.

The smoothness or roughness is a substantial surface property of papers, cardboard and cartons. The quality of the surface structure has a great influence on the printability and any form of coating. The Bekk smoothness is a method established in the paper industry based on air flow. The slower the air flows between the paper surface and the ideal plane, the higher the smoothness, expressed in the Bekk smoothness seconds. The shape, the total volume as well as the distribution of the cavities at the contact surface are decisive for the smoothness.

In contrast to PPS and Bendtsen, a representative paper area of approximately 10 cm² is tested in the Bekk method.



Fulfilled standards

  • DIN 53107: 2016-05 Testing of paper and paperboard - Determination of smoothness according to Bekk
  • TAPPI T 479 cm-09 Smoothness of paper (Bekk method)
  • ISO 5627: 1995, confirmed in 2016 Paper and board - Determination of smoothness (Bekk method)


  • Compensation of measured values of air pressure, required in DIN 53107: 2016-05
  • Two measurement ranges (standard volume and 1/10 volumes)
  • Test of the density and calibrating mode is menu-driven
  • Supervision and registration of the testing climate


  • Quality assurance
  • Production control
  • Research and Development


  • Decor paper
  • Photo paper
  • Cigarette paper
  • Specialty papers

Smoothness Tester

emco GPR video


Technical data

Volume standard 380 ml, 10 ml
Volumen fast measuring 38 ml, 1 ml
Working range Standard mode 10 to 1400 Bekk s
Working range fast mode 80 to 1400 Bekk s
Measuring range 15 to 600 Bekk s
Operating conditions 18 - 25 °C; 30 - 70 % humidity
Dimension (LxWxH) 500 mm x 400 mm x 520 mm
Weight 45 kg
Power connection 230 V, 50 Hz / 110 V, 60 Hz
Compressed air not necessary




Catalogue and User Manual

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