Getting Started Model 400E Ozone Analyzer
Instruction Manual
34 P/N 04316 Rev: B
Press the CLR key to clear the SYSTEM RESET warning. The display should look
like this:
NOTE: The word SAMPLE in the upper right corner of the display may flash on and
off for several minutes as the unit warms up. This is normal.
3.2.2. Warm Up
The M400E requires about 30 minutes for all internal components to come up to
temperature before reliable O
3
measurements can be taken.
3.2.3. Warning Messages
Because internal temperatures and other conditions may be outside be specified
limits during the analyzers warm-up period, the software will suppress most
warning conditions for 30 minutes after power up.
If warning messages persist after the 30 minutes warm up period is over,
investigate their cause using the troubleshooting guidelines in Section 11 of this
manual. The following table includes a brief description of the various warning
messages that may appear.
SAMPLE RANGE=500.0 PPB O3=0.0
<TST TST> CAL SETUP
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