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Quality Monitoring Instruments Limited


+44 (0)2073 283 121


+44 (0)2073 285 888




4 East Barnet Road
United Kingdom


Oil mist Monitoring Engine Atmospheric Ship Crankcase Safety Fire explosion

Contact Name:

Josh Smith

Contact Position:

Managing Director


Leading specialist in oil mist detection systems for machinery spaces and crankcases


QMI has been designing, developing and selling instruments since the 1960's. We aim at supplying something different. Our objective has always been to provide reliable, innovative, proven equipment giving value to the user.

In the sixties we started with bimetallic thermometers of a Swiss manufacture. The range included a thermometer specially designed to withstand the rigors of working on a diesel engine. We continued to sell these until recently.

Kari-Finn float level switches and other equipment joined the range in 1975.

The development of QMI Multiplex oil mist monitoring instruments began in the early 1980's. This is a revolutionary way of measuring oil mist.

Our aim is to ensure that our customers always receive the most attentive and responsible service, allied to the highest standards of quality, and precision workmanship. Lives often depend on our skills and care - a fact that we never forget.


Oil mist detection systems

For engine and atmospheric systems in the marine industry

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