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IGE 300 Page 6 of 21
2. General Information
2.1. GENERAL INFORMATION
The Teledyne Hastings Instruments IGE-3000 is a small, fully self contained ion gauge electronics
module. The mini- Bayard Alpert style ion gauge tube is attached to the electronics module by a 12 pin
circular connector. The IGE-3000 is designed for quick, easy installation and will provide the user with
long lasting, trouble free, reliable vacuum measurement.
2.2. IGE-3000 Mini Bayard/Alpert (B/A) Tube
The IGE-3000 mini B/A tube is all metal construction, with the primary enclosure fabricated of 304
stainless steel. It is UHV compatible and utilizes a fine wire collector located in the center of the grid. The
duel Yttria coated filaments are individually supported to provide uniform output over variations in
temperature and normal ageing. The typical user should experience a filament lifetime of approximately
10,000 hours. Its physical size is much smaller than the traditional glass type B/A tube. Since there is no
glass envelope, the traditional safety concerns associated with glass type B/A tubes is eliminated.
2.3. Specifications.
Pressure Range ........................................................................................................1x10-2 to 1x10-10 Torr
*Accuracy ................................................................±15% of reading for the range 1x10-2 to 1x10-8 Torr
Degas .......................................................................................................................................... 5W e-beam
Emission Current....................................................................................................0.01, 0.1, 1 mA, or Auto
Filament Bias Potential ............................................................................................................ +30 V ±0.3%
Grid Potential ........................................................................................................................ +180 V ±0.3%
Operating Temperature..................................................................................................................... 0-50°C
Digital Communications..............................................................................................................RS232/485
Connector ................................................................................................................. 15-pin subminiature D
Bake out Temperature................................................................................ 200°C with electronics removed
** Electrical Noise Immunity........................................ENC 61010 Class A and IEC 61326-1: Section 6.2
Input Voltage Operating Range................................................................................. 11.5 VDC to 30 VDC
Power/Interface Connector............................................................................................15 pin subminiature
Process Control.................................................................................. 2 independent TTL set point outputs
Weight......................................................................................................................................1.5 lbs. (max)
Transducer Mounting................................................................................................................Any position
Remote Control Capable ...............................................................................................................................
Automatic High Pressure Cut off ..................................................................................................................
*Accuracy specification is with the B/A tube originally shipped with the IGE 3000. The
IGE 3000 is calibrated with and matched to the B/A tube at the factory. Changing or swapping the B/A
tube with a B/A tube one other than the one originally shipped with the unit may effect the calibration.
**Complies with IEC 61010-1 (Safety requirements for measurement, control, and laboratory use).