Penning-Meßzelle mit Zündhilfe

摘要

The invention pertains to a Penning measuring cell (1) with an electrode system that comprises an anode (5) and a cathode (2), which are situated in the magnetic field of a permanent magnet (8, 9), and with an ignition aid (11) for the electrode system (2, 5). To ensure rapid and reliable ignition the invention proposes attaching to the anode (5) as ignition aid (11) at least one metal strip (11) the free end of which extends towards the cathode (2).