6.Calibration
NOTE: This instruction assumes that only the internal sensor is in use (external probe disconnected). See option instructions for calibration of external probe.
6.1Turn the monitor “ON” and place it in an environment containing 20.9% oxygen and 79.1% nitrogen. This can be supplied from a calibration cylinder or can be open air if it is known to be clean.
6.2Adjust the monitor to read 20.9% by turning the set screw which is located on the right side of the monitor behind a black grommet. Use a small jewels screwdriver to make the adjustment.
OXYGEN DEFICIENCY MONITOR | PAGE 7 |
