407510

V7.0 10/06

3

Getting Started

Note: The dissolved oxygen probe assembly may be shipped to you

from the factory dry. If the probe does not contain electrolyte

solution, refer to the Electrolyte Replacement section of this manual

for the instructions for adding the electrolyte solution prior to initial

use.

Filling the Electrolyte Container Prior to Initial Use

1.

Unscrew and remove the electrolyte container from the tip of

the probe.

2.

Fill the electrolyte container with new electrolyte.

3.

Screw the electrolyte container back onto the electrode

holder and probe handle. Excess Electrolyte may be forced

out through the threads. Wipe clean.

4.

Lightly tap the probe to remove any air bubbles.

Calibration

For first time use or after long periods (several days) of non-use, calibrate the instrument using

the following steps. The procedure should be performed in an open, well-ventilated area.

1.

Ensure that the sensor is DISCONNECTED from the meter.

2.

Turn ON the meter.

3.

4.

Press the zero key to null the meter (the display should indicate "OO").

5.

Connect the DO sensor to the top of the meter (remove the plastic probe head

protective cap).

6.

Allow the meter to stand for at least five minutes until the display stabilizes.

7.