Customer Support

USB Operation Problems While Using the RS232-USB Converter and The Bluetooth USB Dongle in your PC

To assure your PC and the instrument stay always ready and alert for operation without troubles, do the following.

- Either turn off the Windows Power Management for full power operation, always

- Or turn on the Power Management and configure it in the following way. Find the USB port-related items and select 100% operation readiness at all instances.

If this point is not taken into account, the USB ports may unexpectedly fail after the PC goes to sleep or hibernates. They can be revived, of course, but this will take time and cause trouble.

Process Sensors

If your meter or sensor is of any older variety, it is quite possible that we can offer you a fresh internal (embedded) software having new useful features. Contact Visilab Signal Technologies for more information. We give full support to all moisture meters we have ever sold since 1994. This promise covers equally all products manufactured and produced by Visilab since 1994.

To get service or help on technical problems with your moisture meter or other products, contact us via phone, email or letter.

The technical support number is: +358-45 635 4885 (local 045 635 4885).

Use the serial number of your meter as a subject in e-mail to speed up recognition and reply:
    E-mail to Service

    E-mail to

If you need an upgrade to your old moisture meter sensor, find below a pricing guide. Shipping cost is added. Contact the nearest representative for a complete quotation.

Models AK30 & AK40:

- internal software upgrade 120 EUR
- battery pack replacement 120 EUR
- the latest units will be upgraded at no cost, just pay the freight both ways and we will update the internal software free.

AK50 and its derivatives:

- internal software upgrade 250 EUR:

FrontColour sensors:

- internal software upgrade 250 EUR

   +tips for Windows 7 & 8 & 10 users

Did you know that we have a Maintenance Pack available for your Brightness meter, moisture meter models AK30/AK40 and D? The price of this service is surprising and may be the best solution for you to make sure the meter will serve you in the best way in difficult conditions. 

    • Maintenance Pack..

    • Accessories..

Check Downloads and Updates

Software Updates..



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