The OpTest On-line Dirt In-speck-tor (ODI) measures visible dirt in sheets according to ISO 5350-4, TAPPI T563 & Paptac D35 standards. The ODI measures the number, size and equivalent black area (EBA) of visible dirt specks far more precisely than the human eye. Operating on most pulp machines, it measures dirt specks on sheets moving up to 500 m/min at a resolution of 0.02 mm˛. The ODI provides the information you need to ensure a high and consistent quality product..




OpTest is pleased to represent the PTA Group. They manufacture a wide range of laboratory products covering pulp, paper, tissue and board.  These products include Digital Tissue Absorption Tester  and the PTA Spectrophotometer


New FQA-360 Applications:
Non-polarized Light: The FQA-360 can measure the fiber length according to the standard  ISO 16065-2 as well as other fiber morphological properties


Contact OpTest for more information.




 Tissue Absorption Tester              PTA Spectrophotometer

(sink basket standard method)        (touch screen operation)



The following is a list of exhibits where the latest OpTest technology will be shown in the upcoming months.

·   PaperWeek 2016, Montreal, Canada,
Feb 2 - 5

·   Tissue World Americas 2016, New Orleans, USA,
Mar 14 - 17

·   Tappi PaperCon 2016, Cincinatti, USA,
May 16 - May 18

Come meet us and try the latest equipment.


Contact OpTest service regarding Preventative Maintenance & Product Upgrades:

Phone:   +1 613-632-5169
Fax:        +1 613-632-3744

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900 Tupper St. - Hawkesbury - ON - K6A 3S3 - Canada
Phone: 613-632-5169 Fax: 613-632-3744
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