Comes with the detector and a full calibration certificate Certificate Included The Crowcon Tetra 3 Multi 4 Gas Detector & Alarm is a high-quality confined space monitor designed and manufactured in the United Kingdom. This gas detector is capable of detecting up to 4 different gases simultaneously and has an expiry date of 04/2026, ensuring reliable performance for a long period of time. With the trusted brand of Crowcon, this gas detector is a valuable tool for businesses and industrial settings where gas detection is crucial for safety and operations.
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