the applications in the following are suitable for model
AK30 and AK40. AK40 can be moved to other locations easily, even a manual
measurement is possible with it though AK30 is optimized for it.
use in laboratory, field and on-line troubleshooting slow webs and paper rolls
target materials: Paper, board, felts, textiles, wood chip lines, sawdust lines,
most fibre materials, organic and inorganic, powders, coating chemical lines, light coloured minerals, recycled paper, special papers, filter papers
use the AK30, AK30Mini, IRMA7Basic or Advanced software for downloading collected data for archiving and further analysis. One can also successfully do limited on-line measuring with the software
acquiring moisture readings with the meter temporarily placed over the web or conveyor belt.
small size and low weight plus good data acquisition features make this instrument an indispensable tool for all laboratories. Full mobility and small size of the optical head open up quite new possibilities.
use for paper strips running in laboratory paper analyzers
manual sampling of items whose data points are saved with key presses or with the Autotimer (a time series) to any of the memory banks. The banks's contents can be evaluated statistically in the field and they can be downloaded afterwards to a PC too.
sheet cutters: Moisture level before packing line or printing. Can be measured best at a stacking position where there is always a pile of incoming paper.
various light coloured minerals, sawdust, wood chips, fiber materials, bio fuel processing at many positions
measurement of a continuous flow of materials in tubes, over conveyor belts and in screws.
Note that due to the small working distance the top surface should be evened out
material batches in tubes and over conveyor belts. Use the Autotimer to get the average reading of each batch
measure samples in cups or containers or big piles in the yard
Felts and Textiles:
measure in textile manufacturing machines to get the level after dying and drying of the fibers
measure in felt manufacturing machines to get the outgoing moisture level affecting directly to amount delivered. Typical penetration 5000 microns, depending on fiber.
research studies of special felts and textiles for dryers and press nips for optimizing water removal
control outgoing level of moisture content in felt packages, sold by weight
Hint for thicker materials: Measure moisture on both sides and then calculate the average (the meter does this for you if you use the Autotimer). The average gives usually a very reliable value for total moisture.
Fabrication of Paper, Board and Liners:
use as an everyday mobile tool around the paper machine
production and research calenders, before and after the nip
make reliable measurements with very thin or perforated grades
make reliable measurements with the low-to medium BW grades to get the total moisture. After some 110 g/m2 the two surfaces's moistures can be different.
make reliable measurements with the highest BW grades to get the surface moisture. Typical penetration some 150 microns.
study rewetting, calendering and coating, before and after the nip
use in pilot machines to study effects of drying, running speed etc. AK30/40 is an indispensable mobile tool for this.
measurement from a rotating paper roll. No touching required
field measurements: Collect data from several sources and download data to PC
field measurements: Collect data series with the Autotimer from a moving web, download to PC
Hint for boards and liners: Measure moisture on both sides and then calculate the average (the meter does this for you if you use the Autotimer). The average gives usually a very reliable value for total moisture.
moisture is the most important single process variable in printing
detect early too dry web in your printing machine to maintain runnability, else immediate printing problems or too high static electricity
detect early too moist web in your printing machine to maintain runnability, else immediate printing and registering problems or a skewed web causing repeated breaks
immune to most ink jet toners, you can reliably measure printed sheets. Other colours must be checked before application.
note papers and other very expensive grades: Control incoming moisture in rolls,
save money by rejecting too moist rolls and making a complaint to the mill
you can get manually the cross profile of the web
you can get manually or with a scanner the cross profile of the web
• moisture is the most important single process variable in water-based
• AK50 can measure most water-based media after applying them on paper
study various drying/wetting phenomena. AK30/40 is not slow, it can deliver 5 high quality data points per second with no additional filtering required.
small size and mobility means you can pinpoint your target with the 10 mm in diameter spot
study single sheets in lab
paper strips running in off-line paper analyzers
coating experiments: Study drying rates and coating behavior
specially manufactured papers: Study the drying process and perform
laboratory hot nips: Get the incoming and outgoing moisture levels
paper strips running in laboratory paper analyzers
use in special research instruments, like paper wetting and
stretching devices, test printers
lab calanders: Get the important variable of incoming moisture to your data and equations.
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