Considered the market’s fastest, the SprintIR6S relies on the company’s SmartIR to take up to 20 readings per second, reported as a world record for NDIR CO2 detectors.
Using LEDs and photodiodes, the component minimizes sample volumes down to 2ml, which enables faster response rates. Applications for ultrafast CO2 sensors include health where they can capture rapidly changing CO2 concentrations in the breathing cycle to provide diagnostic information.
SmartIR technology detects the presence of CO2 by detecting how much light is absorbed by CO2 molecules as light passes through the sample gases, called Non-Dispersive InfraRed (NDIR) absorption. CO2 absorbs between 4.2 and 4.4 microns so that its presence is easily detected, and the amount of light absorbed indicates how much CO2 is present. Typically, CO2 detectors use a miniature heater (such as MEMS devices like micro hotplates, microlamp/microbulb or filament heater) to generate a range of wavelengths that have to be filtered down to the wavelengths needed, which is wasteful and energy inefficient, especially as a lot of heat is produced. At less than a cubic inch (23.8 mm in diameter and 24-mm tall), the SprintIR6S operates at between 3.25 and 5.5V, with a power consumption of only 35mW. The SprintIR6S is available in measurement ranges from 0%to 100%. For more details, visit https://www.gassensing.co.uk/products/high-speed-sensors
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