We specialise in the design and manufacture of sensors that can accurately detect the presence of alcohol on a person’s breath. We are proud that our sensors are used in combating drink driving and other unwanted instances of alcohol impairment across the world.

Easy Calibration for your Existing Analysers A few years ago one of our clients set us the challenge of coming up with a simple and easy calibration system for Breath Alcohol Analysers. Naturally, we rose to the challenge. The Problem Conventional breath alcohol simulators require you to keep the alcohol solution at a constant temperature; usually 34 0C in order to give a constant air/alcohol sample concentration. This gives rise to the need for expensive heating and thermostatically controlled equipment that is generally not very portable. The Solution Easy. Give the problem to our Chartered Chemist. Henry's Law states that when passing air through the alcohol solution a small proportion of the alcohol will be absorbed into the air. The concentration of alcohol that is absorbed into the air is dependent upon the temperature of the solution and the alcohol concentration of the solution. So all you actually need is to understand the different concentrations and how they will respond at the different temperatures. The Result The FCS Portable Calibration Device. Very easy to use: 1. Fill the simulator with a known concentration of alcohol solution. 2. Measure the temperature on the thermometer. 3. Look up the corresponding reading on the table. 4. Blow through the unit to generate the alcohol sample. 5. Calibrate your unit to the reading. Now what could be easier than that? << Back

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