4.
After the ENTER key is pressed, the AV38 will return to the configuration menu. The user has
the option of repeating the procedure if desired. If not, press the ESC key to exit the menus and
return to normal operations.
Thermo Scientific AquaSensors
™
AquaTrace
™
Trace DO System User Guide
20
▲
◄
►
▼
≡
Configure
►
Pressure
MENU ESC ENTER
After entering the ambient pressure, use the following procedure to complete the air calibration:
1.
Enter the calibration menu on the AV38 Remote Display (see the AV38 user guide for detailed
information on the various menus in the user interface).
2.
Press the ENTER key from the AIR calibration menu to initiate the calibration process. When the
temperature calibration procedure is started, the analog output is placed into hold mode. The
user is prompted to prepare the sensor. The sensor value is dynamically updated during this
step.
≡
Calibrate
►
Air
▲
◄
►
MENU ESC ENTER
▼
3.
Remove the Trace DO sensor from sample chamber.
4.
Rinse the sensor head off with clean water. Shake any excess water off the tip of the sensor.
5.
Fill a beaker or cup approximately ½ full with clean water. Suspend the sensor over the beaker
so that the tip of the sensor sits approximately ¼ to ½ inch above the surface of the water. Allow
the sensor to stand approximately fifteen minutes to acclimate and stabilize.
6.
After the unit has stabilized, press the ENTER key to proceed with the calculation.
7888 ppb
Sensor in air?
▲
◄
►
MENU ESC ENTER
▼