Understanding Cold Cathode Gauge Sensitivity Limits
Understanding Cold Cathode Gauge Sensitivity Limits Cold cathode vacuum gauges, also known as Penning gauges, provide reliable high-vacuum measurement without the filament-related limitations of hot-cathode designs. Their sensitivity—the ability to produce a measurable ion current proportional to gas pressure—makes them indispensable in applications requiring stable readings from 10-3 to 10-7 Torr. However, every cold cathode […]
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