Teledyne 400E, Instruction Manual, Page: 58 / 318

Operating Instructions Model 400E Ozone Analyzer
Instruction Manual
58 P/N 04316 Rev: B
To View and Clear the various warning messages press:
SAMPLE WHEEL TEMP WARNING O3 = XXX.X
TEST CAL MSG CLR SETUP
Make SURE warning
messages are
NOT
due to
LEGITIMATE PROBLEMS. .
Press CLR to clear the
message currently being
Displayed.
If more than one warning is
active the next message will
take its place
Once the last warning has been
cleared, the analyzer returns to
SAMPLE Mode
SAMPLE RANGE=500.0 PPB O3 = XXX.X
< TST TST > CAL
MSG CLR SETUP
SAMPLE WHEEL TEMP WARNING O3 = XXX.X
TEST CAL
MSG CLR SETUP
TEST deactivates Warning
Messages
MSG
activates Warning
Messages.
<TST TST > keys replaced with
TEST key
6.2.2.
Test Functions
A series of Test Functions are available for viewing via the Front Panel display while
the analyzer is in SAMPLE mode. These functions provide valuable information
regarding the present operation and status of the instrument. These parameters
are also useful during troubleshooting exercises (see Section 11.1.2).
Table 6-2: Test Functions Defined
Parameter Display Title Units Meaning
RANGE RANGE - -
RANGE1
RANGE2
PPB, PPM,
UGM & MGM
The Full Scale limit at which the output range of
the analyzer’s ANALOG OUTPUTS are currently
set.
THIS IS NOT the Physical Range of the
instrument. See Section 6.4 for more information.
If
DUAL or AUTO Range modes have been
selected, two RANGE functions will appear, one
for each range.
STABILITY STABIL mV
Standard deviation of O
3
Concentration readings.
Data points are recorded every ten seconds. The
calculation uses the last 25 data points.
PHOTOMEAS O3 MEAS mV
The average UV Detector output during the
SAMPLE portion of the analyzer’s measurement
cycle.
PHOTOREF O3 REF mV
The average UV Detector output during the
REFERENCE portion of the analyzer’s
measurement cycle.
O3GENREF O3 GEN
(2)
mV
The current output of the O
3
generator reference
detector representing the relative intensity of the
O
3
generator UV Lamp.
(2)