Accurately test all types of meters with our complete line of optical sensors. With a wide variety of reflective and infrared (IR) heads to choose from, lab and field testing has never been easier - or more accurate. All of our sensors are small and made with very flexible but durable wire. Magnetic base or meter globe mounting hardware is available for field testing. Make those hand switches a thing of the past!

To download the product specifications, simply click the picture or model number title. The PDF specification sheets include a high quality color photo as well as a complete list of the specifications and accessories. All products are covered by our Limited Product Warranty.