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Teledyne API T703/T703U Calibrator Operation Manual Calibration and Verification
143
6.4.1. CALIBRATING THE PHOTOMETER’S SAMPLE GAS FLOW
NOTE
The procedure described in this section requires an independent, calibrated gas flow meter/monitor be
connected to the EXHAUST fitting on the back of the T703/T703U.
During the PHOTO FLOW calibration, the T703/T703U software automatically turns
the DC pump downstream from the photometer ON. PHOTO FLOW calibration is
followed by ACTUAL OUTPUT FLOW (output gas flow) calibration (Section 6.4.2).
To perform a PHOT
O FLOW calibration, press:
07223C DCN6572