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Monochromatic lights have a low pressure sodium light source that emits monochromatic light in which rays have virtually the same wavelength. This light is a very effective way of viewing fringe patterns on the surface of optical flats (Newton rings) Knight Optical's standard type moonlight has a straight line engraved across the diffused screen enabling the operator to easily compare the straight lines of the component being tested thus identifying how flat the flatness is. Other options of monochromatic lights are available enhanced version and floor standing version. These lights are not supplied with the optical flat as standard however we stock a range of quartz and Zerodur optical flats with a range of flatness’s to meet your application. Monochromatic light units are suitable for the following electrical services: 220/240V, 110V and 12VDC on selected units. Contact our technical team for further information. FOR MORE INFO READ PDF…

Light-duty ball transfer units are assembled from pressed sheet steel components, except for the LP series which are machine turned from an acetal solid bar. All light-duty ball transfer unit designs feature a hemispherical cup for the recirculation of the small supporting balls. This allows a smooth rotation of the protruding, load-bearing ball. All light-duty ball transfer units (except LP) feature a heat-treated support cup which is resistant to wear.

The T-VAC unit is a powerful, compact and versatile vacuum excavator, capable of handling all types of ground (wet or dry) utilising optional on-board high pressure water and compressed air. The T-Vac is available as a static unit. Light in weight, the T-Vac Trailer and T-Vac Track are popular options. The Air-Vac unit small footprint allows access into the tightest environments, perfect for inner city work.