IG40

Features and benefits

  • Exchangeable cathode in both the Bayard-Alpert and Extractor Gauges
  • High accuracy of the measurements due to individually calibrated sensing system
  • Bayard-Alpert sensing system
    • Measurement range from 10-2 to 10-11 mbar
    • Protection shield welded in place
  • Extractor sensing system
    • Measurement range from 10-4 to 2 x 10-12 mbar
    • Significant reduction of X-ray and ion desorption effects
Technical data IG40 BA IG40 EX
Measurement range (mbar) 2 x 10-11 to 10-2 2 x 10-12 to 10-4
X-ray limit (mbar) ≤10-11 ≤10-12
Ambient temperature during operation (°C) 20 to +80 20 to +80
Maximum flange temperature with bakeable gauge cable (°C) 250 250
Maximum bakeout temperature (with no cable connected) (°C) 400 400

Material

Cathode

Anode

Collector

Reflector

 

Iridium with yttrium oxide coating Pt/Ir 90/10 and Mo/pt wrapped wire Tungsten

Iridium with yttrium oxide coating Mo and CoNiCr Tungsten

Nife

Vacuum connection DN40CF DN40CF

Operating characteristics

Ion detector potential (V)

Cathode potential (V)

Anode potential (V)

Reflector potential (V)

 

0

80

220

-

 

0

100

220

205

Emission current (mA) 0,1 to 10,0 1,6
Heating current for the hot cathode (A) 1,5 1,5
Heating voltage for the hot cathode (V) 3,0 3,7
Sensitivity for nitrogen (mbar-1) 17,0 6,25
Bake-out operation, Electron bombardment V/mA 480/90 480/45
Compatible controllers PGC202 PGC202