Technical Support Resources

Outstanding customer care is yet another way that we seek to gain your trust in us as a company that can meet your needs. Our support team excels at resolving your issues quickly. Every inquiry is tracked and managed so we can resolve your issues effectively.

No-Cost Online Support Resources

We offer several free support options for you. Our searchable knowledge base, tech notes, and forums provide a rich resource for gaining answers to your questions.

Knowledge Base Search

Perform a search of our extensive library of technical support information, including Tech Notes, Support Notes, FAQ’s and online Users’ Guides. This is a great place to find answers to issues you may encounter.


Frequently Asked Questions about our products.

Monthly Maintenance Agreement

  • Technical Support over the telephone with one of our experienced Sentinel technicians whenever it may be necessary.
  • Technical support provided on our toll-free number.
  • Free WinSen version upgrades, all we ask is for you to pay the shipping & handling.
  • Support payment billed quarterly for ease of payment.
  • INCREDIBLE VALUE compared to the non-subscriber rate of $100.00 per/hour for technical support.

Hourly Telephone Support

  • Free for first 120 days.
  • Billed in 15 Minute increments.
  • All calls answered in the order they are received.

United States   Toll Free: 866.351.4423

Australia   +61 3 99882035

Brazil   000.814.550.3481

Denmark .  80.884817

France   0800.918301

Italy   800.784156

Mexico   001.800.456.9955

Netherlands .  800.0228856

New Zealand   0800.448330

Spain .  900.951838

U.K.   0800.783.4410

Other Resources