Teledyne 3060e - Ultra Trace oxygen analyzer - Manual (Page 127)

Teledyne Electronic Technologies
Analytical Instruments
6-3
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HIGH CURRENT MODE will automatically activate when:
• The oxygen level rises above 10 PPM. This mode will automatically
display 10.00 PPM OVERANGE message.
• If the oxygen level rises above 30 PPM for over 2
minutes, a safety valve sequence will commence to
isolate and protect the internal scrubber and Ultra
Trace sensor. The Ultra Trace sensor will reconnect
every 2 minutes to check the oxygen level. If the
oxygen concentration falls below 30 PPM, normal
operation will resume.
• If the measured oxygen level remains above 30 PPM
for 60 minutes, the unit will automatically shut down.