M400E Ozone Analyzer Operator’s Manual Advanced FEATURES of the M400E analyzer

7.4.6. SELECTING A TEST CHANNEL FUNCTION FOR OUTPUT A4

The test functions available to be reported are:

Table 7-10: Test Channels Functions available on the M400E’s Analog Output

TEST CHANNEL DESCRIPTION ZERO FULL SCALE

NONE TEST CHANNEL IS TURNED OFF
PHOTO MEAS The raw output of the photometer during its
measure cycle 0 mV 5000 mV*
PHOTO REF The raw output of the photometer during its
reference cycle 0 mV 5000 mV*
O3 GEN REF The raw output of the O3 generator’s
reference detector 0 mV 5000 mV*
SAMPLE PRESSURE The pressure of gas in the photometer
absorption tube 0 "Hg 40 "Hg-In-A
SAMPLE FLOW The gas flow rate through the photometer 0 cm3/min 1000 cm3/min
SAMPLE TEMP T he temperature of gas in the photometer
absorption tube 0 C 70 C
PHOTO LAMP TEMP The temperature of the photometer UV lamp 0 C 70 C
O3 SCRUB TEMP The temperature of the optional Metal Wool
Scrubber. 0 C 70 C
O3 LAMP TEMP The temperature of the IZS Option’s O3
generator UV lamp 0 mV 5000 mV
CHASSIS TEMP The temperature inside the M400E’s chassis
(same as BOX TEMP) 0 C 70 C

Once a function is selected, the instrument not only begins to output a signal on the analog output, but also adds

TEST to the list of test functions viewable via the front panel display.

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