Precision instruments · Made in India since 2005
Techno IndiaTECHNO INDIA

Paper & Packaging

Digital COP (Cobb) Tester

Water absorptiveness by the Cobb method

Determines the water absorptiveness of sized paper and board by the Cobb method. A precision ring clamps the specimen while a digital timer with controller manages the exact contact time before the sample is weighed.

ISO 535TAPPI T 441
Digital COP (Cobb) Tester

Technical specifications

Test principle

Cobb water absorptiveness

Test area

100 cm² standard ring

Timer

Digital with preset test durations

Construction

Powder-coated body, stainless tray

Accessories

Roller, cylinder, blotting paper

Power

230 V AC, 50 Hz

Applications

Sizing control of paper and board

Liquid packaging board qualification

Corrugation and lamination suitability

Water-resistance coating validation

Frequently asked questions

What is the Digital COP (Cobb) Tester?+

Determines the water absorptiveness of sized paper and board by the Cobb method. A precision ring clamps the specimen while a digital timer with controller manages the exact contact time before the sample is weighed.

What standards does the Digital COP (Cobb) Tester comply with?+

The Digital COP (Cobb) Tester complies with the following standards: ISO 535, TAPPI T 441.

What are the key features?+
  • Machined clamping ring with quick lever lock
  • Digital timer and temperature controller
  • Stainless drip tray for clean working
  • Separate control box for bench flexibility
  • Simple zero and reset controls
  • Supplied with roller and blotting accessories
Where can I buy the Digital COP (Cobb) Tester in India?+

The Digital COP (Cobb) Tester is manufactured and sold by Techno India, based in Roorkee, Uttarakhand. Contact us at sales@techno-india.com or call 08077928706 for pricing and delivery. We provide installation, calibration and AMC across India.

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