Featured Product

Edinburgh Guardian NG
The Guardian NG offers near-analyser quality, continuous sampling, measurement and display of target gas concentrations. Contact us for more information.

Recent Updates

New Product Alert: ALTAIR-5X with PID

The MSA ALTAIR 5X Gas Detector is capable of measuring up to 6 gases simultaneously and is now available with integrated PID sensor for VOC detection.

Driven by advanced MSA XCell® Sensor…

New to Demesa, the YESAIR 8-Channel IAQ Monitor

The YES AIR is a battery powered, portable air quality detection and data logging instrument designed for intermittent or continuous indoor air quality monitoring.

With more features, flexibility…

Instrument Sales

As Instrument Specialists, we understand your need for a reliable and trusted source of products and information. Demesa has established relationships with reputable and leading manufacturers of safety and environmental instruments for all your monitoring solutions.

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Instrument Service

You will find our technicians to be professional and very knowledgeable. Our technicians are factory trained and receive yearly refreshers. All repairs done to your instruments are done to manufacturers specifications and we only use factory replacement parts.

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Calibration Services

We offer calibration services on all the instruments we sell. We also offer services on the instruments we don’t sell. We can calibrate your instrument and provide a certificate of calibration using NIST traceable standards instrument specialists for detail.

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Instrument Management

An Instrument Management Program is based upon your needs and requirements. A partnership allows you to benefit from our expertise such as instrumentation knowledge, improved instrument operation, reduced repair and rental cost, and improved equipment utilization.

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