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Ion Science has introduced a double beam UV absorption mercury detection unit – the Mercury Vapour Indicator (MVI).

The dual-beam technology means the instrument does not saturate or require regeneration between readings like the traditional gold film detection methods, eliminating instrument downtime.

MVI gives a real-time response within three seconds.

It provides continuous readings and offers two detection ranges: 0.1 to 200 and 1.0 to 1,999ug/m3.

MVI utilises a high-performance pump for fast indication and recovery.

The instrument’s audible alarm and large digital display indicate the levels of mercury present.

Ergonomically designed with one-handed operation, MVI is a survey unit for rapid, accurate mercury vapour detection.

Both portable and fixed options are available.

Target applications for MVI include manufacturing, recycling and fluorescent lamp processing plants, mining, petroleum, bioremediation, hydrocarbon and refining.

Ion Science manufactures and distributes a unique portfolio of technologically advanced gas detection equipment.


The range comprises of hand-held and fixed photoionisation detection (PID) instruments with a detection range of ppb to 10,000 ppm for volatile organic compounds (VOC’s) and other toxic gases. Also available are leak detectors for the detection of SF6 gas in high voltage switchgear and fixed or roaming corrosion monitors for the detection of hydrogen flux in steel pipes. Ion Science instruments are suitable for a wide range of industries and applications that include environmental, landfill, brownfield, petrochemical, first response, industrial safety and confined space entry.


Products are available through a global network of distributors. The company delivers a range of service options to customers designed to provide a full calibration, maintenance and repair service for all Ion Science instruments. Custom built facilities are located at Ion Science, or through a network of Authorised Service Centres around the globe.


Fully qualified engineers are on hand to provide customers with the best possible service and fast turnaround to minimise instrument downtime

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