Fish-eye lens from Mikron hits market at low price

Hotspots in electrical cabinets can be quickly pinpointed while circuits are energized and under load, using the new SpyGlass fish-eye lens and economical Viewport from Mikron Infrared.

The Viewport is UL-rated and approved for installation at the OEM level or as a retrofit in the field.  Suitable for both low- and high-voltage applications from 480 volts and up, it can be installed in 20 minutes or less on cabinets indoors or outdoors, in either vertical or horizontal position.  The Viewport is ideal for virtually any application, including mechanical equipment, that requires safe viewing through a door or panel. With its protective cap in place, it maintains NEMA 1, 2, 3, 3R and 4 Ratings.

The unique design of the Viewport uses only a 0.5-in. aperture, maintaining the integrity and safety rating of the cabinet, without the need for an IR transparent window or metal screen barrier which can skew thermal readings, or break and compromise safety.  The Viewport is unaffected by moisture, dirt, UV and corrosive environments, it never needs cleaning or replacement glass.  When used with the plastic-tipped SpyGlass lens, there is no "path to ground" through the camera, enhancing operator safety.

Three styles of Viewport are available, with a list price starting under $50 the lowest in the industry, according to the manufacturer. The standard Viewport model is closed with a protective O-ring-sealed, screw-on cap when not in use. Other models include a locking device or a window with a locking device.

The SpyGlass fisheye lens, with its wide field of view (53° horizontal by 40° vertical, or 66° diagonal), allows easy scanning of the interior of the electrical cabinet through the Viewport, providing a temperature measurement accuracy of ±3°C.  The SpyGlass lens attaches to Mikron's Midas or 7000 Series MikroScan thermography cameras, allowing the operator to view entire electrical panels from just inches away.  With a focus range of 4 inches (10 centimeter) to 45 inches (114 centimeter) and large depth of field, the SpyGlass lens reduces the need to re-focus for different electrical cabinet depths.
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