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IGE 300 Page 4 of 21
DANGER HIGH VOLTAGE
High voltages capable of causing injury or death are present within the IGE 3000 Avoid touching the
connector sockets, tube pins and all internal circuitry within the IGE 3000. SERVICE MUST ONLY BE
PERFORMED BY QUALIFIED TELEDYNE INSTRUMENTS PERSONNEL.
DANGER
Do not turn on the IGE 3000 if there is any danger of explosion from explosive or combustible gasses or gas
mixtures. Ionization gauge tube filaments operate at a temperature sufficiently high enough to be considered an
ignition source.
DANGER
Safe operation of ion producing equipment, including the IGE 3000, requires grounding of its power supply
and the vacuum chamber. LETHAL VOLTAGES may be established under some operating conditions unless
grounding is provided.
DANGER
Ion producing equipment such as the IGE 3000, from any manufacturer, may, under some conditions
provide sufficient conduction via plasma to couple a high voltage electrode to the vacuum chamber. If
conductive parts of the chamber are not grounded, they may attain a potential near that of the high voltage
electrodes during this coupling. Potentially fatal electrical shock could then occur because of the high voltage
between these vacuum chamber parts and ground. Grounding, though simple, is imperative! Ensure that the
ground circuits are correctly utilized, both on your IGE 3000 power supplies and your vacuum chambers,
regardless of the manufacturer, for this phenomenon is not peculiar to the IGE 3000.
CAUTION
Ensure that BA tube filaments are not turned on unless vacuum IS LESS THAN 10
-2
Torr.
TURNING ON filaments at atmosphere MAY result in damage to the BA tube.
CAUTION
Before initiating Degas, vacuum must be 10
-7
Torr or less.
Performing Degas at Higher Pressures Could Damage the B/A Tube