Sorry, this family of products is no longer available. The recommended replacement product is 355-micro-ion-bayard-alpert-vacuum-gauges.

347 Stabil-Ion® Modular Vacuum Pressure Transducers

Sensor
Stabil-Ion®
Measurement Range
UHV gauge: 1x10-10 to 2x10-2 Torr, 1x10-10 to 3x10-2 Mbar, 1x10-8 to 3 Pa
Extended range gauge: 2x10-10 to 2x10-2 Torr, 3x10-10 to 3x10-2 Mbar, 3x10-8 to 3 Pa
Operating Temperature
0°C to 40°C
Maximum Bakeout Temperature
450°C with electronics removed
Storage Temperature
-40°C to 70°C
Analog Output
1 V per decade, logarithmic, 0 to 7 VDC
Power Requirements
24 VDC +15%, 75 W max., 3.75 A at 20 VDC
Accuracy
+25% of reading from 1x10-8 to 1x10-4 (N2)
Repeatability
+3% of reading from 1x10-8 to 1x10-4
Internal Volume
73 cc to port screen

Exposed Materials
All vacuum fired, UHV compatible
Electronic Casing and Flange
Aluminum
Weight
800 gm (1 lb, 12.5 oz)
Filament
Tungsten or yttria-coated iridium
X-ray Limit
UHV: 2x10-11 Torr; 3x10-11 mbar; 3x10-9 Pa
Extended range: 2x10-10 Torr; 3x10-10 mbar; 3x10-8 Pa
Emission Current
0.1 mA and 4.0 mA
Degas
Electron bombardment, 20 W with 2-minute timer
Remote Input Signals
Gauge ON/OFF, degas ON/OFF, set by continuity to ground
Remote Output Signals
Gauge and degas status by open collector transistor

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