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Thermo Fisher Scientific CyberScan PC 300 User Manual

Page 42

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Instruction Manual PC 300

38

You can also change the Ready indicator and auto endpoint function in Program P7.1

(available from conductivity or TDS mode). Any changes you make to the Ready indicator/auto

endpoint function in pH mode will also change in conductivity mode.

P3.2: Selecting number of pH calibration points

Program P3.2 lets you select the number of calibration

points that appear in pH calibration mode: 2, 3, 4, or 5.

The meter will automatically exit calibration mode after

you have calibrated to your selected number of points.

From measurement mode.

1. Press

the

MODE key to select pH measurement

mode.

2. Press

SETUP key to enter Set Up mode.

3. Press

the or

keys to scroll through subgroups

until you view parameter P3.0.

4.

Press the ENTER key twice to select parameter 3.2.

5. Press

the or

keys to select 2, 3, 4, or 5 point

pH calibration.

6. Press

the

ENTER key to confirm selection and to

return to the subgroup menu. Press CAL/MEAS key

to return to measurement mode.

See Figure 30.

P3.3 Selecting USA or NIST buffer

Program P3.3 lets you select between the following buffer

sets:

USA: pH 1.68, 4.01, 7.00, 10.01, 12.45

NIST: pH 1.68, 4.01, 6.86, 9.18, 12.45

Factory default is USA buffer set. Please refer to

Addendum 5 for P3.3 procedure.

Figure 30 – P3.2: Select number

of pH calibration points