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Products  > Technidyne PROFILE/Plus® Porosity

Technidyne PROFILE/Plus® Porosity

The PROFILE/Plus® Porosity tester gives you automated paper roughness and porosity measurements to international standards. 

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Brought to you by Technidyne, our specialist optical, surface, and physical property testing brand, the PROFILE/Plus® Porosity helps you to achieve a uniform paper surface for high-quality printing.  

​An efficient, versatile porosity tester

The Profile Plus is the only standalone roughness tester that offers you a built-in paper feed and your choice of porosity and two-sided roughness measurement simultaneously. It also returns results – on average – in under seven seconds 

Calibrate and configure  

The Profile plus has a unique dummy head system that allows for fast and easy flow verification and simple calibration. 

These porosity testers can be equipped to measure either Sheffield or Bendtsen roughness and a variety of paper porosity test reporting units. 

Multiple measurement capability 

The PROFILE/Plus® Porosity supports all types of testing. You can choose a device with top-side roughness only, with bottom-side roughness only – or with top and bottom side roughness in one instrument! 

State-of-the art measuring heads 

Our Profile Plus has a unique three head design. This provides top and bottom roughness of paper and air permeance measurements simultaneously. 

The PROFILE/Plus® Porosity continuously monitors the zero flow rate to improve measurement accuracy for low porosity and/or very smooth grades. This provides a wide working range to test the quality of various types of paper and board. 

Our Profile Plus device will continually monitor a zero flow rate to optimize measurement accuracy. It reduces process variability and minimizes false reject decisions to improve PM efficiency and generate higher profits. 

Barometric pressure and temperature

The PROFILE/Plus® Porosity can compensate for local variations in barometric pressure and temperature. If it’s caused by a change in mill elevation, or the local environment.  

This feature enhances the repeatability of tests. It stabilizes the measurement conditions. It helps to ensure that the correct results are achieved, reducing retests and lowering the overall cost of testing. 

Dry diaphragm air compressor 

A critical factor of air-leak roughness and porosity testing is to ensure you have high quality air, free from contaminants. This Profile Plus device uses a ‘dry diaphragm air compressor’, which means that testing is always performed with lab conditioned measurement air. 

Testing with lab conditioned air is important. It reduces maintenance costs and encourages a high instrument uptime, while optimizing results. 

Lowering costs and saving money

The multiple measurement capabilities of the Profile Plus reduces labor costs and optimizes the ability to make process adjustments. This saves on raw materials and improves production. 

The selectable reporting units reduce the need for multiple instrument types, which saves money on roughness of paper testing equipment. The NIST traceable laminar flow improves the calibration procedure for enhanced measurement accuracy. This helps to reduce process variability and false rejects, lowering overall costs. 

PROFILE/Plus® automated test system

PROFILE/Plus® is a unique building block approach to automated testing. Each PROFILE/Plus® instrument is a standalone instrument that can be easily placed in line with other PROFILE/Plus® instruments to operate as an automated test system.  

Quality paper porosity testing – as standard!

The PROFILE/Plus® Porosity or exceeds the requirements of many international standards, including:  

The Industrial Physics testing portfolio

In today’s world of strict standards and high demands, the data needed to assess whether a product meets customer specifications is essential. You can count on our industry-leading Profile Plus machines when the strength and appearance of your paper products is important. 

We make a wide range of paper testing devices and accessories. Have a look at the Technidyne TEST/Plus® ISO Brightness, for fast and easy ISO Brightness measurement in accordance with ISO: 2469 & 2470. Then there’s the TEST/Plus Gloss 75° degree measurement in accordance with TAPPI T480 and ISO 8254-1. 

Pouring out our porosity testing knowledge 

We like to share the lessons we’ve learnt over many decades of making paper porosity testing devices.  

Perhaps you’d like to read a couple of blogs we’ve published? First up, there’s this blog on how to test surface porosity with three techniques. Alternatively, there’s this one on testing the physical and optical properties of paper. 



Applications: Coating Testing, Corrugated Testing, Materials Testing, Paper Testing, Paperboard Testing, Permeation Testing

Materials: Cardboard, Corrugated Paper, Paper, Paperboard

Sheffield roughness: TAPPI T538, ISO 8791-3

Sheffield porosity: TAPPI T547, ISO 5636-4

Bendtsen porosity: ISO 5636-3

Gurley porosity: TAPPI T460, TAPPI T536, ISO 5636-5

Sample types:  CD or MD strips (automated), Letter and A4 sheets (automated), Handsheets, sheeted materials

Built-in paper feed: yes

Sample grammage range: 15 to 600g/m²

Sample thickness range: 25 to 1000μm

Available configurations: top roughness, bottom roughness, top and bottom roughness, top roughness and porosity, bottom roughness and porosity, top and bottom roughness and porosity

Calibration: traceable to NIST

Sheffield roughness: 0 – 400 SU

Sheffield porosity: 0.1 to 420*

Bendtsen porosity: 0.1 – 3000*

Gurley porosity: 0.1 – 37908*

Measurement results:  Sheffield roughness, Sheffield porosity gurley, Porosity gurley porosity -High Pressure, Porosity ml/min.

Statistics: average, maximum test value, minimum test value and standard deviation.

Data views: tabular, graphs and profile data

User interface: touch panel and LCD display with multi function keys

Measurement time: four to ten seconds

Data communications/ ports: RS232C (tags optional) Printer (DB9 and DB25)

Recommended operating temp: 10-32° Celsius (50-90°F)

Power consumption: 190 watt max/ 80 watts passive

Voltage/frequency: 100-250VAC/48-61Hz

Air requirement: 275Kpa (40psi)

Depth: 46cm (18in)

Width: 26.7cm (10.5in)

Height: 66cm (26in)

Weight: 37kg (80lbs)

Country of origin: U.S.A

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Success Stories

The problem

Some paint manufacturers have to undertake so many different types of tests that it’s hard to stay on top of the demands of their industry and the changing technologies that can best support them.

The solution

This was the case for our valued customer. They needed the equipment, skills, experience, and collaboration of a genuine partner. One offering personalized support and guidance identifying the correct inspection solution for each situation. We are always delighted to help.

The outcome

Daniel Marschall, President of Marschall Labs, said:


“The professionals at Industrial Physics took the time to understand the specific testing equipment needs of our lab. I can’t say enough about the excellent customer service and support they provide.”

Spares and Accessories

Technidyne Profile/Plus Porosity

Set of four calibrated air flow restrictors (Low, Medium, High, Transition) to verify airflow of PROFILE/Plus Porosity instruments. Includes traceability certificate.

Technidyne Profile/Plus Porosity

Calibrated air flow restrictor (High Range) to verify airflow of PROFILE/Plus Porosity instruments. Includes traceability certificate.

Technidyne Profile/Plus Porosity

Calibrated air flow restrictor (Low Range) to verify airflow of PROFILE/Plus Porosity instruments. Includes traceability certificate.

Technidyne Profile/Plus Porosity

Calibrated air flow restrictor (Medium Range) to verify airflow of PROFILE/Plus Porosity instruments. Includes traceability certificate.

Technidyne Profile/Plus Porosity

Calibrated air flow restrictor (Transition Range) to verify airflow of PROFILE/Plus Porosity instruments. Includes traceability certificate.

Technidyne Profile/Plus Porosity

Calibrated air flow restrictor (Zero Range) to verify airflow of PROFILE/Plus Porosity instruments. Includes traceability certificate.

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