Teledyne MODEL T703 Manual Do Utilizador

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T703 Calibration and Verification 
Teledyne API T703 Calibrator Operation Manual 
134  
 
8.1.4. O
3
 PHOTOMETER DARK CALIBRATION 
The Dark Calibration Test turns off the Photometer UV Lamp and records any offset signal level of the UV 
Detector-Preamp-Voltage to Frequency Converter circuitry.  This allows the instrument to compensate for any 
voltage levels inherent in the Photometer detection circuit that might affect the output of the detector circuitry and 
therefore the calculation of O
3
 concentration.   
SETUP X.X        
O3 GAS CONFIG
MODE
ADJ
PHOT
EXIT
The DARK CAL procedure progresses automatically 
until ...
SETUP X.X       
DARK CAL 34% COMPLETE
SETUP X.X       
CALIBRATING DARK OFFSET
SETUP X.X        
O3 GAS CONFIG
BCAL
DARK
EXIT
DARK CAL 
Successful?
Yes
No
SETUP X.X    
INVALID DARK CAL OFFS=XXXX.X MV
STANDBY            ACT =STANDBY
<TST
TST>
GEN STBY SEQ
SETUP
SETUP X.X        
PRIMARY SETUP MENU
O3
SEQ
CFG CLK PASS
MORE
EXIT
 
07223B DCN6378