CONTENTS
INITIAL INSPECTION AND ASSEMBLY ................... 2
BEFORE YOUR FIRST USE ........................…........... 2
A. Replace the Batteries
........................................... 2
B. Soak the Electrode
.... ........................................... 2
C. Setup and Calibrate the Electrode and Meter
........... 2
VISIONPLUS pH 618N OVERVIEW............................ 3
A. Meter Description
................................................. 3
B. VisionPlus Graphical Display
................................ 3
OPERATION MODES AND KEYPAD OPERATIONS 4
A. Operation Modes
................................................... 4
B. Keypad Operations
............................................... 4
USING VISIONPLUS pH 618N.................................... 5
A. Power ON/OFF
.................................................... 5
B. Set Date and Time
................................................ 5
C. Select Buffer
........................................................ 6
D. Calibrate pH
......................................................... 6
E. Measure
.............................................................. 7
F. Hold Data
........... ................................................. 7
G. Save Data
.................................................…........ 7
H. Recall Data and Erase Data
...................................... 7
ONGOING MAINTENANCE......................................... 8
A. Replace Electrode
................................................. 8
ERROR DISPLAYS AND TROUBLESHOOTING ....... 9
SPECIFICATIONS ........................................................ 10
WARRANTY ................................................................. 10
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