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Xylem Lab 850, starting from serial number 09470315 User Manual

Page 29

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Lab 850

Operation

29

ba75890e01

11/2009

Note
Here you can cancel the calibration procedure with . This
corresponds to a single-point calibration. The value of the zero point
(Asy) is displayed for 10 seconds, then the value of the slope (Slo) is
displayed for 10 seconds. After this the meter switches to the
measuring mode.

Continue with two-point

calibration

8

5

2

2

1

°C

TP

AutoCal

pH

SET

BUFFER

5

Thoroughly rinse the electrode with distilled water.

6

If necessary, set the temperature of the second buffer solution
with <

▲><▼>.

7

Immerse the pH electrode in the second buffer solution.

8

Start the measurement with .
The SC display indicator flashes.
Depending on the setting, the display shows the nominal pH
value for the recognized buffer or the electrode voltage (mV).
As soon as a stable value is recognized, the next buffer
(BUFFER 3) is requested.

8

5

2

3

1

°C

TP

AutoCal

pH

SET

Buffer

DIN

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