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Revolving chart recorder / pressure
This equipment measures and records atmospheric pressure. It is equipped with a manometer composed of either 2 and 4 copper-beryllium aneroid capsules for reference 4011 (precision: +/- 0.6 hPa), and reference 4111 (Precision: +/- 1 hPa) respectively. It can be operated by either mechanical (7 days)/ battery powered quartz clockwork movement (7 days, 31 days). It has a fast barometric value adjustment system depending on its location and the time. It is housed in a sheet metal cover and a light alloy base coated with Epoxy paint, a safety lock, and a tamperproof reset device having dimensions of (297x335x135)mm. It comes with 100 diagrams, one pen and a battery (1.5 V for quartz movements).