User manual

ExStik

CL200A-EU V4.0 02/08

Offset Adjustment Procedure

If it is necessary to adjust the chlorine reading to match the value of a

known standard or to agree with the reading from another chlorine

meter, the following procedure can be used.

1. Using a chlorine solution of known concentration perform the normal

sampling procedure (refer to the operator’s manual) with 20 ml of the

solution, wait for the display to read “HOLD” (approx. 2 minute

sampling time).

2. With meter still in the solution press the Mode/Hold button for

approximately 5 seconds until “CO” appears at the bottom of the

Display.

3. The concentration value on the Display can now be adjusted up or

down to match the actual known concentration of the solution.

4. Press the MODE/HOLD key to increase the value or Press the

CAL/RECALL button to decrease the value.

5. Once the reading is adjusted to the desired value do a quick press of

the ON/OFF button and “SA” will appear on the Display followed by

“END”. This indicates that the adjusted value was saved to memory.

6. Turn the meter off and proceed with the sampling procedure as

described in the operator’s manual.