Operating the Calibrator Teledyne API T703/T703U Calibrator Operation Manual

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4.1. TEST FUNCTIONS

A variety of TEST FUNCTIONS are available for viewing at the front panel whenever

the calibrator is at the MAIN MENU. These measurements provide information about

the present operating status of the calibrator and are useful during troubleshooting (see

Section 8). Table 6-1 lists the available TEST functions.

To view these TEST functions, press <TST or TST> from the main menu and the Test

Functions will scroll at the top center of the display.

Table 4-1: Test Functions Defined

TEST MEASUREMENT DESCRIPTION

O3GEN FRAC=X.XX (T703U only) For low range mode to produce low levels of ozone during
a GPT calibration where O3 output is <500 PPB LPM
(supported only in GEN-AUTO mode)
O3 PRES=XX.X PSIG O3 generator regulator pressure
ACT=GENERATE XX PPB O3 Actual concentration being generated, computed from
real-time inputs
TARG=GENERATE XX PPB O3 Target concentration to generate
OUT FLW=X.XXX LPM Output flow rate (computed from regulator pressure)
REG PRESS=XX.X PSIG Regulator pressure
BOX TMP=XX.X ºC Internal chassis temperature
OGEN REF=XXXX.X MV O3 generator reference detector reading
O3GENDRV=XXXX.X MV O3 generator lamp drive output
O3LAMPTMP=XX.X ºC O3 generator lamp temperature
PH MEAS=XXXX.X MV Photometer detector measure reading
PH REF=XXXX.X MV Photometer detector reference reading
PH FLW=X.XXX LPM Photometer sample flow rate
PH LTEMP=XX.X ºC Photometer lamp temperature
PH SPRES=XX.X IN-HG-A Photometer sample pressure
PH STEMP=XX.X ºC Photometer sample temperature
PH SLOPE=X.XXX Photometer slope computed during zero/span bench
calibration
PH OFFST=X.X PPB Photometer offset computed during zero/span bench
calibration
PHOTO STABIL=X.X PPB Photometer concentration stability (standard deviation of
25 bench concentration samples taken 10 seconds apart)
TEST=XXXX.X MV Value output to TEST_OUTPUT analog output, selected
with TEST_CHAN_ID variable
TIME=HH:MM:SS Current instrument time of day clock. (24 hour format)

07223C DCN6572