Measures and records atmospheric pressure.
Includes a sensor made with 4 aneroid caps in cupro-beryllium for part nr 10329 (accuracy: +/- 0.6hPa).
Operates by mechanical movement (1r/7 days) or quartz movement (1r/7 days).
Provided with a fast adjustment for the barometic value.
Provided with a metal cover with an alloy base covered with an epoxy paint, a security lock and an inviolability patch.
Delivered with 100 charts, one pen and a battery (1.5 V for quartz movements).
Dimensions: 285 mm x 200 mm x 135 mm