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Relative humidity chart recorder / pressure / temperature / revolving
The drum chart recorder is specifically intended to measure and record ambient temperature, hygrometry, and atmospheric pressure. It is provided with an ultra-sensitive bi-metallic thermometer which is enclosed in a perforated protective casing. It has a dimension of 340 mm x 392 mm x 135 mm with a body made of sheet metal cover and a light alloy base coated with epoxy paint, a safety lock, and a tamper-proof reset device. It is also provided with a pressure meter that is composed of aneroid capsules. Furthermore, it is considered highly precise due to its compliant to the NFX 15-111 standards.