TABLE OF CONTENTS
1
INTRODUCTION 1
2
DISPLAY AND KEYPAD FUNCTIONS
2
2.1
Display
2
2.2
Keypad
3
3
PREPARATION 4
3.1
Inserting the Batteries
4
3.2
Probe Information
5
4
CALIBRATION 7
4.1
Important Information on Meter Calibration
7
4.2
Temperature Calibration
8
4.3
pH calibration
9
4.4
Dissolved Oxygen Calibration
12
4.5
Dissolved Oxygen Calibration in % Saturation
13
4.6
Dissolved Oxygen Calibration in mg/L (ppm) mode
15
5
MEASUREMENT 17
5.1
Taking pH Measurements
17
5.2
Taking DO readings
21
5.3
Taking Pressure/Salinity Compensated DO measurements
23
6
HOLD FUNCTION
24
7
BACKLIT LCD
5
2
7.1
Using the backlit LCD
25
7.2
Adjusting the LCD brightness
25
8
ADVANCED SETUP FUNCTIONS
6
2
8.1
Advanced SETUP Mode Detailed Overview
26
8.2
P1.0: Viewing previous pH calibration data
30
8.3
P2.0: Viewing pH electrode data
31
8.4
P3.0: pH Measurement configuration
32
8.5
P4.0: Resetting to factory default settings (pH)
36
8.6
P1.0 (dPr): Dissolved Oxygen Parameters
37
8.7
P2.0 (OFS): Offset for % Saturation Measurement
40
8.8
P3.0 [P2.0] (CAL): Previous Calibration Information
(*Program numbers in “[ ]” are for setup in mg/L (ppm) mode.
41
8.9
P4.0 [P3.0] (ELE): Electrode Properties
42
8.10
P5.0 [P4.0] COF: Unit Configuration
44
8.11
P6.0 [P5.0] LCd: Adjusting LCD Brightness
48
8.12
P7.0 [6.0] rSt: Resetting to Factory Default Setting (DO)
49
9
PROBE CARE AND MAINTENANCE
0
5
9.1
pH Electrode care
50
9.2
Dissolved Oxygen Principle
52
9.3
Probe Care and Maintenance
53
9.4
Membrane Housing Replacement
54
9.5
Membrane/O-ring Replacement (Optional Procedure)
55
9.6
Electrolyte Solution
57
9.7
DO Probe Troubleshooting Table
58
10
TROUBLE SHOOTING GUIDE
60
11
ERROR MESSAGES
61
12
SPECIFICATIONS 62
13
ACCESSORIES 63
14
ADDENDUM 1: DISSOLVED OXYGEN & METER THEORY
66
15
ADDENDUM 2: PRESSURE VS ALTITUDE TABLE
67