MKS 274 玻璃管Bayard-Alpert型电离真空传感器 (Kovar Metal; 0.75in; Single Thoria-coated Iridium)

Sensor Type: Bayard-Alpert Hot Cathode

Measurement Range: 1.0 x 10-9 to 0.001 Torr

Fitting Type: Kovar Metal Inlet Port

Port Size: 0.75 in.

Filament: Single Thoria-coated Iridium

Collector: Tungsten, .010 in. diameter

Accuracy: ±20% (typical)

Bake Out Temperature: 450°C

Installation Orientation: Any, Vertical preferred

Envelope: Nonex 7720 glass, 2.25 in. (57 mm) OD, 5 in. (127 mm) long

Grid: Refractory Metals

Length: 6 in. (152 mm)

Sensitivity: 10/Torr

X-ray Limit: 3 x 10-10 Torr (approximate)

Filament Voltage Potential: +30 VDC

Collector Potential: 0 V

Grid Potential: +180 VDC

Filament Heating Current: 4 - 6 Amps

Filament Heating Voltage: 3 - 5 V

Details

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