User guide

TABLE OF CONTENTS
1. FEATURES............................................................ 1
2. SPECIFICATIONS................................................... 2
3. FRONT PANEL DESCRIPTION.................................. 5
4. PH CALIBRATING PROCEDURE...............................
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7
4-1 Calibrating Consideration..................................
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7
4-2 Requiring Equipment for calibration................... 7
4-3 Two Points Calibration...................................... 7
4-4 Singal Point Calibration..................................... 9
4-5 Others............................................................. 10
5. PH TEMPERATURE COMPENSATION........................ 11
5-1 Manual temperature compensation.................... 11
5-2 Automatic temperature compensation................15
6. MEASURING PROCEDURE.......................................15
6-1 PH Measurement..............................................15
6-2 mV Measurement............................................. 16
6-3 Temp. Measurement........................................
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16
7. AUTO POWER DISABLE.......................................... 19
8. RS232 PC SERIAL INTERFACE.................................19
9. BATTERY REPLACEMENT........................................ 21
10. OPTIONAL PROBES & ACCESSORIES....................... 21