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Technical Support

Need Help? Klein Marine Systems is always available and ready to serve.
Klein Marine Systems is deeply committed to customer support. We are currently servicing valued customers in 80 countries, and building upon international relationships to best meet the service needs of our customers around the world. We offer 24 hour / 7 day a week support.

Technical Support during our normal business hours (Monday-Friday, 8 AM to 5 PM EST) is available via telephone at 603-893-6131 or via email at (Please note, this email is not monitored after normal business hours).

While our products are among the most reliable in the industry, there are times when service or technical advice is required after normal business hours. Throughout the world, Klein’s Side Scan Sonar, and HarborGuard® Maritime Security and Surveillance systems are in use daily. Klein’s service technicians for Side Scan Sonar systems, Bathymetric systems and all related products can normally diagnose problems with a simple telephone call. If you need help, call us anytime.

After hours Technical Support is available by calling 603-893-6131. The answering service will forward your request to one of the Klein Marine Technical Support staff for prompt attention to your service needs.

We maintain representatives in 80 countries and have established Mitcham Industries service locations in Australia, Singapore, the United Kingdom and the United States to serve our global customers.

Total Customer Satisfaction – Klein Marine Systems strives to provide the highest quality products and service to a wide range of Military and Commercial markets. We offer complete solutions that range from simple repairs to overhauls and upgrades in addition to excellent reliability and quality at competitive prices. Immediate assistance is always available by calling 603-893-6131 or via email at