THE ACD ADVANTAGE​

What is ACD Calibration Gas?

Simply put, Advanced Calibration Designs calibrators are gas generation devices that are superior to the previous approaches to gas sensor calibration equipment for the health and safety industries.

Advanced Calibration Designs exceed the limitations of all previous forms of calibrating gas monitors. They do this through Integrated and Expandable products that provide the backbone of the new era in calibration gas standards.

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Economical Gas Standards

Historically, calibration gas came in the form of cylinders, which have severe limitations.  Cylinders of cal gas are most often filled almost entirely with air, which makes them extremely inefficient.  99.999% of a 10 PPM cylinder of any gas is simply clean dry air. ACD uses the background air at the calibration point to blend with the desired gas which provides enormous advantages.

A 58-liter cylinder provides 58 minutes of cal gas flowing at 1 liter per minute (roughly 1 hour). A single ACD calibration source provides up to 100 times that much gas! 100 hours of gas at the same flow rate. This translates to a rough cost (depending on the gas needed) of approximately $300 per hour when getting your gas in cylinders. Conversely, the cost of 1 ACD 100-hour source is $13.91 per hour of calibration!

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Calibration Gas On-Demand

ACD products generate the gas on demand rather than storing it, providing many advantages over the old approaches. Since there is no gas present until the user requests it, and the gas is never under pressure. ACD products are safe for air transport and do not deteriorate over time. It is not uncommon for customers to use the same calibration source for 5, 10 or even 15 years of calibration.
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The on-demand generation of the gas allows a single calibration source to generate adjustable concentrations. Cylinders are a single fixed concentration. Most ACD generating sources can provide concentrations of between 0.25 and 125 parts per million. In addition to this, the flow rate can be varied between 0.2 and 1.0 liters per minute using the internal pump. Calibrations of sample drawing gas detectors can be accommodated by the use of the internal mass flow sensor.

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Expandable Capabilities for Gas Monitor Calibration

Our products are integrated and expandable, with a single hand-held product smaller than a 58-liter cylinder, the end-user can have up to 10 different gases and hundreds of hours of cal gas at his disposal. Best yet, your service technician can get on a plane with a single checked bag and be on site ready to calibrate a multitude of different sensors.

Our current lineup of available gases includes: ammonia, chlorine, chlorine dioxide, hexane, hydrogen, hydrogen chloride, hydrogen cyanide, hydrogen sulfide, nitrogen dioxide, ozone and toluene. Visit the Compare Gases page to view more info.

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Innovative Gas Monitor Calibration

ACD products are designs that continue to evolve and expand for the future needs of the industry.  At ACD, we continue to add new gases to our existing line of instruments. As these sources become available, they will be integrated into use with the instruments you already have. Our goal is to provide gases for any manufacturer’s instruments at any flow requirement or concentration required by the end-user at the point of calibration.
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Unlimited shelf life, safe air transport, selectable flow and concentration, interchangeable gases, small, portable, and extremely accurate.

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