Enhanced carbon monoxide and hydrogen sulphide sensors
10 August 2009
City Technology has enhanced the 4CF+ carbon monoxide sensor and the 4HS+ hydrogen sulphide sensor. The latest designs offer significantly reduced calibration times, improved reliability, reduced sensitivity variation between devices and complete backwards mechanical compatibility with previous generations.
Enhanced carbon monoxide and hydrogen sulphide sensors
City Technology has enhanced the 4CF+ carbon monoxide sensor and the 4HS+ hydrogen sulphide sensor. The latest designs offer significantly reduced calibration times, improved reliability, reduced sensitivity variation between devices and complete backwards mechanical compatibility with previous generations.All pins are gold plated, lowering contact resistance with the socket and improving reliability in use, particularly in situations where the instrument is likely to be subjected to shock or vibration. The ultrasonic welding of the internal current collector wires has been improved to give a higher quality, more uniform weld, improving reliability and reducing early failures. At various stages during the manufacturing process, 24 different parameters are tested, each stage of the assembly process is optically monitored and automated part placement reduces variations between devices, ensuring error free assembly.
A 100% leak test on the electrode sealing is an integral part of the manufacturing process, resulting in a significant increase in field reliability by eliminating one of the more common failure modes found in sensors manufactured by others.
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