AK50 - On-Line Moisture Meter

- state of the art in infrared moisture meters
- superior stability with the latest S revision
- our flagship model

- NEW SPECIFICATIONS! Now measuring with a very small spot.

Product's top features:

• a unique versatile meter in a small box
• a truly compact and smart structure: All components required are in the meter, just plug in the power & communication cable. No external control boxes needed
• most reliable: an extremely long service period of 175 000 hours
• based on new ultra-stable technology developed by Visilab
• the measuring distance is 205 +/-8 mm, spot approximately 10 mm in diameter. Other working distances at request, like  270 +/- 40 mm with a spot of 15 mm in diameter
• Composer expert system for generating new calibrations according to paper grade
• web thermometer, data can be collected into a memory bank or directed to any interface

• extremely low noise level
• highly immune against external IR radiation and any lighting
• highly immune against external water vapor
• good immunity to target angle
• a unique BURST mode for measuring piecewise webs, like sheet cutters
• the power supply unit -PS has a connector for a standard optical sensor to arrange a trigger for measuring piecewise products and batch processes. Also a BNC connector for a microswitch is included.
• the meter is delivered complete with cables, software and power source, ready to start operating
• interfaces from a single cable: Voltage output, serial port
    • two voltage outputs, range selectable, source selectable as moisture or web temperature etc., scaling
    • serial port RS232 for PC data acquisition and configuration, data rates 9600/115200 bauds. The lower rate i
s suitable for cables longer than 7 meters. Bluetooth 100 m wireless link modules belong to the delivery for replacing the serial cable to the PC's USB
• free IRMA7Basic program using the serial port with full data acquisition features
• Advanced program with full data acquisition features for several meters simultaneously and with Composer expert system and many other highly useful features. This is a licensed product and belongs to the AK50 meter's delivery bundle. The new program Profiler is specialized for scanner use and available with the Advanced program. It has full scanner data acquisition features.

• the PC programs support data acquisition with up to 50 samples/s in normal trend display at 115200 baud rate
• memory banks for sample series taken with an autotimer (selectable time intervals)
• unique capability of capturing moisture transients at full speed for further analysis (minimum sample interval 14 ms)
• standardization algorithm built-in for using an external moisture standard. It can be started with a single command via the serial port
• purge air inlet
• supports the new high-speed serial communications feature
• use Low Power Mode when not in active service
• competitively priced. Save lots of money compared to competitor's products and spend it to other useful instruments

• the new software features are:
  • a new Signal Quality system for tracking system reliability in difficult conditions, like dust and dirt

   • a new meter diagnostics system, usable with Advanced program
   • an adjustable extremely slow process digital filter for creating very slow responses to process variations. Response time is set in units of seconds

• A strong IP67 box of size 255x120x155 mm, made of hard painted Aluminum. An AISI nose box 170 mm long is optional for hard environments
• keyboard and display terminal TEAK-30 available for field use if no PC around
• designed and manufactured by Visilab in Finland

Revision 6S in delivery now:

  • The new revision S has an even more superior stability compared to older revisions. A completely new measurement technology is taken into use. We gave up some by lowering the sampling rate to 70 Hz. However, the earlier 400 Hz technology is still available for those who need a very high speed.
    • Same pricing as before
    • The current internal software version is V2.13S.


Optional Accessories / Options:

    • General purpose holder bracket -GPH
    • Vortec cooler for purge air inlets
    • Purge air pressure regulator -PR with a dust filter, adjustable
    • A quick connect adapter for standard 8 mm air tubing  
    • Keyboard and display terminal unit TEAK-30 for field use
    • LAN232 for creating a simple local network for any meters made by Visilab Signal Technologies,
    based on RS232 (5 m legs at 115200 bauds and up to 40 m legs at 9600 bauds)
    • Moisture standard -STD for regular checking and compensating against dirty glasses
    • 4-20 mA  converter (external 230VAC or 24VDC operated to DIN rail)
     • A different working range, other than 205 mm

    • Laser spot for helping to install at the correct distance

    • The earlier model D 400 Hz high speed option is still available, other specifications are practically the same

      • More information..
      • Maintenance Pack..

Packing List of a Standard Product Shipping:

    • AK50 meter with calibrations according to customer samples plus some other useful ones
    • User's guides in a binder
    • Software in a USB memory stick depending on availability, having all of available software options, including a license for the Advanced software
    • model -PS power supply, with an instrument cable of 5 m of length. The supply has an IEC320 connector for wall power having a nationalized end plug, if possible. The default delivery will have the standard European plug if the target is unknown. The DIN rail mounting kit is included.
    • serial cable for connection to PC's RS232 with some 5 m of length
    • a galvanically isolated USB-to serial RS232 converter module for connection to PC's USB port  with driver software for Windows
    • a Vortec cooler tube, to be mounted to the boxes end

    • You can affect the cable lengths with a reasonable fee when ordering and request also for other optional accessories. The instrument cable can be up to 40 m and the serial cable can be up to 40 m. 



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