User Guide

TABLE OF CONTENTS
1 INTRODUCTION 1
2 DISPLAY AND KEYPAD FUNCTIONS 2
2.1 Display 2
2.2 Keypad 3
3 PREPARATION 5
3.1 Inserting the Batteries 5
3.2 Connecting the Probe 6
3.3 Connecting the AC Adapter 7
4 CALIBRATION 8
4.1 Temperature Calibration 9
4.2 DO Calibration in Air (with ATC) –% Saturation Mode 11
4.3 DO Calibration in mg/L Mode 13
5 MEASUREMENT 14
5.1 Taking Measurement 14
6 HOLD FUNCTION 15
7 MEMORY FUNCTION 16
7.1 Data Input 16
7.2 Memory Recall 18
8 SET FUNCTION 20
8.1 SET Function in % Saturation Measurement Mode 21
8.2 SET Function in mg/L or ppm Measurement Mode 31
9 DISSOLVED OXYGEN PROBE 38
9.1 Dissolved Oxygen Principle 38
9.2 Probe Care 39
9.3 Membrane Housing Replacement 40
9.4 Electrolyte Solution 43
9.5 DO Probe Troubleshooting Table 44
10 TROUBLESHOOTING 46
11 ERROR MESSAGES 47
12 ADDITIONAL INFORMATION 48
12.1 Dissolved Oxygen 48
13 SPECIFICATIONS 51
14 ACCESSORIES 52
15 WARRANTY 54
16 RETURN OF ITEMS 54