Figure 28: Calibrate Now; Figure 29: Zero Calibration - Weatherford SLS Baseline 9000 FID Manual

5) Select "Calibrate Now" using the green enter key from the main menu.
6) Using the left arrow key will zero the machine. The zero may be set multiple times with each
new selection overriding the previously selected zero value. Once the zero value has become
steady, fluctuating between positive and negative values, press the green enter key to save the
calibration. If a zero calibration is not required, press the red key to skip this step and move onto
the span calibration.
Page 23 of 36

Figure 28: Calibrate Now

Figure 29: Zero Calibration

SLS Baseline 9000 FID Total Gas Detector Manual