Need Help? Klein is always available and ready to serve
Klein was arguably one of the first in the industry to provide a 24/7 customer service program originally referred to as Niteline. This service was created to provide technical and sales support after normal business hours. Today Klein, maintains its commitment to “around the clock, around the world” service with well qualified technical and sales staff. We are currently servicing valued customers in 80 countries, and building upon international relationships to best meet the service needs of our customers.

Normal Business Hours Support
Technical Support during our normal business hours (Monday-Friday, 8 AM to 5 PM EST) is available via telephone at
+1 603-893-6131 ext. 3 or via our email form below.  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 Support
After hours Technical Support is available by calling +1 603-893-6131 ext. 3. Our auto attendant will allow your call to be transferred directly to one of our Technical Support staff members for prompt attention to your service needs. (Please note that our email support is not monitored after normal business hours and will be addressed the following business day).

In addition to our worldwide distribution network, Klein has established service locations with other MIND Technology entities in Singapore, and the United Kingdom to better serve our global customers regardless of the time zone. Klein Marine Systems is pleased to announce direct service and repair for their Side Scan and Multi-Beam sonar systems in Singapore. Recognizing the growing importance of the market in the Asia Pacific region and in China in particular, we offer faster repair services by utilizing the world class service facility of our sister division SEAMAP in Singapore.

Total Customer Satisfaction
Klein strives to provide the highest quality products and service to a wide range of Military and Commercial customers. Our Customer Satisfaction Policy requires measurement and closure of any and all issues brought to our attention. The best way to maintain customer satisfaction is to deliver robust products that meet the customer’s expectations – Klein has done this for over 50 years with many of our products remaining in service for over 20+ years.