Edwards IG40 BA, Инструкция по эксплуатации

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D0300030001EN - Technical data
Page 4
Technical data
General gauge head data
Table 1 General gauge head data
Description IG40 BA IG40 EX
Materials
Lead-in pins
NiFe
Insulator Al
2
0
3
ceramic
Pin sealing plate NiFe
Flange Stainless steel
Cathode Iridium with yttrium oxide coating
Anode Pt/Ir 90/10 and Mo/Pt
wrapped wire
Stainless steel 1.4404
Collector Tungsten
Reflector NiFe
Flange connection DN 40 CF
Electrode system configuration Bayard-Alpert Extractor system
Ambient temperature during
operation
20 to 80 °C
Maximum flange temperature with
bakeable gauge cable
250 °C
Maximum bakeout temperature
(with no cable connected)
400 °C
Maximum recommended rate of
temperature change during bakeout
5 °C per minute
Storage temperature 20 to 50 °C
Relative humidity
Annual average

65% (non-condensing)
On 60 days  85% (non-condensing)
Use Indoors (altitude 2000 m maximum above sea level)
X-ray limit < 1 x 10
-11
mbar (hPa) < 1 x 10
-12
mbar (hPa)
Upper limit of measuring range 1 x 10
-2
mbar (hPa) 1 x 10
-4
mbar (hPa)
Lower limit of measuring range 2 x 10
-11
mbar (hPa) 2 x 10
-12
mbar (hPa)