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59 Model 7500 Instruction Manual
Teledyne Analytical Instruments
6.9 Calibration
6.9.1 Zero calibration
It is used for zero point adjustment. For zero calibration
gas, see 3.3 (3), Preparation for standard gas in
Sampling. Use a gas according to application.
1. Press the ZERO key on the Measurement screen to
display the Manual Zero Calibration screen.
2. Select the CH (component) to be calibrated by
pressing the UP or DOWN key. After selection, press the
ENT key, and zero gas will be supplied.
CAUTION
For the CH (components) that is set to “at once” in the
“Zero Calibration” of the Calibration Setting mode, zero
calibration is also carried out at the same time.
3. Wait until the indication is stabilized with the zero gas
supplied. After the indication has been stabilized, press
the ENT key. Zero calibration in Range selected by the
cursor is carried out.
To close Zero Calibration
To close the “Zero Calibration “ or cancel this mode
midway, press the ESC key. A previous screen will
return.