The 355001-YE Hot Cathode Replacement Gauge features a yttria-coated iridium filament and a size NW25 ISO-KF fitting. It is used with the series 355 Micro-Ion® vacuum transducer that has a patented dual ion collector design that optimizes electron motion and ion collection.

Product Series Overview
355 Micro-Ion® Bayard-Alpert Vacuum Sensors
Technical Specs
Type
Vacuum Gauge
Sensor Type
Bayard-Alpert Hot Cathode
Measurement Range
5 x 10-10 - 5 x 10-2 Torr
Fitting Type
ISO-KF
Filament
Yttria-coated Iridium
Exposed Materials
304 stainless steel, alumina, tantalum, tungsten, CuAg eutectic, Kovar®
Bake Out Temperature
200°C max.
Internal Volume
10.8 cm3 (0.66 in3) to port screen
X-ray Limit
<3 x 10-10 Torr, <4 x 10-10 mbar, <4 x 10-8 Pa