M400E Ozone Analyzer Operator’s Manual Basic Operation of the M400E Analyzer

Table 6-2: Test Functions Defined

DISPLAY PARAMETER UNITS DESCRIPTION

RANGE
- -
RANGE1
RANGE2
RANGE
PPB,
PPM,
UGM
&
MGM
The Full Scale limit at which the reporting range of the
analyzer’s ANALOG OUTPUTS is currently set.
THIS IS NOT the Physical Range of the instrument. See
Section 6.4.4.1 for more information.
If DUAL or AUTO Range modes have been selected, two
RANGE functions will appear, one for each range.
STABIL STABILITY MV
Standard deviation of O3 Concentration readings. Data points
are recorded every ten seconds. The calculation uses the last
25 data points.
O3 MEAS PHOTOMEAS MV The average UV Detector output during the MEASURE portion
of the analyzer’s measurement cycle.
O3 REF PHOTOREF MV T he average UV Detector output during the REFERENCE
portion of the analyzer’s measurement cycle.
O3 GEN2 O3GENREF MV
The current output of the O3 generator reference detector
representing the relative intensity of the O3 generator UV
Lamp. (2)
O3 DRIVE1 O3GENDRIVE MV The Drive voltage used to control the intensity of the O3
generator UV Lamp. (1)
PHOTO POWER PHOTOPOWER MV Photometer lamp drive output.
PRES SAMPPRESS IN-HG-A The absolute pressure of the Sample Gas as measured by a
solid-state pressure sensor.
SAMP FL SAMPFLOW CC/MIN Sample Gas mass flow rate as measured by the Flow Sensor
located between the Optical Bench and the Sample Pump.
SAMPLE TEMP SAMPTEMP C The Temperature of the gas inside the Sample Chamber.
PHOTO LAMP PHOTOLTEMP C The Temperature of the UV Lamp in the Optical Bench.
O3 SCRUB3 O3SCRUBTEMP C The current temperature of the Metal Wool Scrubber.(3)
O3 GEN TMP1 O3GENTEMP C The Temperature of the UV Lamp in the O3 Generator.(1)
BOX TEMP BOXTEMP C The temperature inside the analyzer chassis.
SLOPE SLOPE - -
The Slope of the instrument as calculated during the last
calibration activity.
When the unit is set for SINGLE or DUAL Range mode,
this is the SLOPE of RANGE1.
When the unit is set for AUTO Range mode, this is the
SLOPE of the currently active range.
OFFSET OFFSET PPB
The Offset of the instrument as calculated during the last
calibration activity.
When the unit is set for SINGLE or DUAL Range mode, this is
the OFFSET of RANGE1.
TEST4 TESTCHAN MV Displays the signal level of whatever Test function is currently
being output by the Analog Output Channel A4.(4)
TIME CLOCKTIME HH:MM:SS
The current time. This is used to create a time stamp on iDAS
readings, and by the AutoCal feature to trigger calibration
events.
1 Only appears if IZS option is installed.
2 Only appears if IZS Reference Sensor option is installed.
3 Only appears if Metal Wool Scrubber option is installed.
4 Only appears if Analog Output A4 is actively reporting a Test Function.

6.2.2. WARNING MESSAGE DISPLAY

The most common and serious instrument failures will activate Warning Messages that are displayed on the

analyzer’s Front Panel. These are:

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