355 Micro-Ion® Hot Cathode Vacuum Transducers

Model: 355-micro-ion-hot-cathode-transducer

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Type
Vacuum Transducer
Sensor
Hot Cathode
Display
2 digits plus exponent, green LED (optional)
Measurement Range
1 x 10^-9 to 5 x 10^-2 Torr
1 x 10^-9 to 7 x 10^-2 mbar
1 x 10^-7 to 7 Pa
(N2 or air)
Operating Temperature
0° to 40°C
Maximum Bakeout Temperature
200°C maximum (with electronics removed)
Storage Temperature
-40° to 70°C
Analog Output
1 Volt/decade, logarithmic, 0 to 9 V
Power Requirements
24 VDC ±15%, 12 W max
Internal Volume
10.8 cc
Exposed Materials
304 stainless steel, alumina, tantalum, tungsten, CuAg eutectic, Kovar
Electronic Casing and Flange
Aluminum extrusion

Weight
370 gm (12 oz) with NW16 KF flange
Compliance
CE, SEMI S2
Filament
yttria-coated iridium or tungsten
Connectors
9-pin Type "D" male
Overpressure Protection
Gauge turns off at factory set upper pressure limit (adjustable)
Emission Current
0.02 mA, 1.0 mA, or 4 mA
Degas
Electron bombardment, 3 W with 2-minute timer
Remote Input Signals
Filament on/off, degas on/off and emission current are set by continuity to ground
Remote Output Signals
Filament and degas on/off status are determined by an open collector transistor

Type
Vacuum Transducer
Sensor
Hot Cathode
Display
2 digits plus exponent, green LED (optional)
Measurement Range
1 x 10^-9 to 5 x 10^-2 Torr
1 x 10^-9 to 7 x 10^-2 mbar
1 x 10^-7 to 7 Pa
(N2 or air)
Operating Temperature
0° to 40°C
Maximum Bakeout Temperature
200°C maximum (with electronics removed)
Storage Temperature
-40° to 70°C
Analog Output
1 Volt/decade, logarithmic, 0 to 9 V
Power Requirements
24 VDC ±15%, 12 W max
Internal Volume
10.8 cc
Exposed Materials
304 stainless steel, alumina, tantalum, tungsten, CuAg eutectic, Kovar
Electronic Casing and Flange
Aluminum extrusion

Weight
370 gm (12 oz) with NW16 KF flange
Compliance
CE, SEMI S2
Filament
yttria-coated iridium or tungsten
Connectors
9-pin Type "D" male
Overpressure Protection
Gauge turns off at factory set upper pressure limit (adjustable)
Emission Current
0.02 mA, 1.0 mA, or 4 mA
Degas
Electron bombardment, 3 W with 2-minute timer
Remote Input Signals
Filament on/off, degas on/off and emission current are set by continuity to ground
Remote Output Signals
Filament and degas on/off status are determined by an open collector transistor

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