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1-800-356-4920 (USA) 1-603-471-0158 (Int'l)
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About KNS

KNS Instruments is a full-service provider of digital panel meter displays, power supplies and more. As the manufacturer, KNS conforms with ISO 9001:2015 and RoHS standards.

Founded in 1992, KNS began as a distributor and value-added reseller of digital panel meters for the HVAC and instrumentation industries. In 1996, KNS Instruments began manufacturing economical, high-quality digital panel meters, to enhance its #1 priority - a commitment to on-time delivery and world-class quality. In February, 2000, KNS formed a manufacturing alliance with PerfeKta Toys in Macau.

KNS operates sales, technical and warehouse offices in the USA. Our KNS/PerfeKta manufacturing alliance provides in-house tool design and fabrication, full injection molding capabilities, fully automated SMT and through-hole electronics manufacturing, UL, CSA and CE testing, component sourcing, product development and support.

If you have more questions about us or our website please give us a call at 1-800-356-4920. We will help you in any way you need.


KNS Instruments is dedicated to customer service, quality products and value for the ultimate user of our products. All products are generally available from stock with personal service unsurpassed in the instrumentation industry.

You can search for product and browse our on-line inventory selecting items according to your specifications. When you have chosen the items that you want, click BUY NOW, review your order and tell us where to ship it. That's it!

If you prefer you can FAX YOUR ORDER TOLL FREE TO: 1-800-356-1250 (1-603-676-7547). Of course you can also PHONE your order to 1-800-356-4920 (1-603-471-0158). Please call us with any questions!

We will private label upon request and offer excellent quantity discounts and terms. Give us a call or send us an E-mail

Hours of operation (Eastern Time Zone) Monday-Wednesday 9:00 AM - 4:00 PM

Orders placed with KNS Instruments are subject to our STANDARD TERMS OF SALE AND WARRANTY.

KNS PerfeKta, KNS Instruments, Klipet  and C-Ton Industries are registered trade names of KNS Instruments Inc.