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TABLE OF CONTENTS
1. GENERAL DESCRIPTIONS....................................................... 1
2. FEATURES............................................................................. 1
3. SPECIFICATIONS....................................................................2
4. FRONT PANEL DESCRIPTION.................................................. 4
4-1 Display.......................................................................... 4
4-2 Power Off/On button.......................................................4
4-3 Data Hold button............................................................4
4-4 / button..................................................................
℃ ℉
4
4-5 Memory Record button....................................................4
4-6 Memory Call button........................................................ 4
4-7 Factor Adj. button...........................................................4
4-8 Zero button....................................................................4
4-9 % Salt button................................................................ 4
4-10 DO/O2 Selector.............................................................. 4
4-11 O2 Cal. button................................................................4
4-12 MT. ( Mountain Height ) button........................................4
4-13 Battery Compartment/Cover............................................ 4
4-14 Probe Input Socket ........................................................ 4
4-15 Oxygen Probe handle...................................................... 4
4-16 Temperature sensor........................................................4
4-17 Probe head with diaphragm set........................................4
4-18 Protection cover for probe head....................................... 4
4-19 Oxygen probe plug..........................................................4
5. MEASURING PROCEDURE....................................................... 5
5-1 Calibration...................................................................
5
5-2 Dissolved Oxygen ( DO) measurement .............................. 6
5-3 Oxygen in Air ( O2) measurement .....................................8
5-4 Temperature measurement .............................................. 8
6. AUTO POWER OFF DISABLE....................................................11
7. PROBE MAINTENANCE............................................................11
8. BATTERY REPLACEMENT....................................................... 14