LaMotte DO 6 Dissolved Oxygen Meter User Manual

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TABLE OF CONTENTS

1 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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2 Display & Keypad Functions . . . . . . . . . . . . . . . . . . . .

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2.1 Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.2 Keypad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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3 Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

3.1 Inserting & Removing Rubber Boot . . . . . . . . . . . . . . . . . 7
3.2 Inserting the Batteries . . . . . . . . . . . . . . . . . . . . . . . . 8
3.3 Battery Replacement . . . . . . . . . . . . . . . . . . . . . . . . . 8
3.4 Dissolved Oxygen Probe Information. . . . . . . . . . . . . . . . . 9
3.5 Connecting the Probe to Meter . . . . . . . . . . . . . . . . . . . 10
3.6 Switching the Meter On. . . . . . . . . . . . . . . . . . . . . . . 11
3.7 Measurement Mode Selction:-Percentage Saturation (%),

Concentration (mg/L) (ppm) and Temperature (T) . . . . . . . . 12

4 Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

4.1 Important Information on Meter Calibration . . . . . . . . . . . 13
4.2 Preparing the Meter for Calibration . . . . . . . . . . . . . . . . . 14
4.3 Temperature Calibration . . . . . . . . . . . . . . . . . . . . . . 15
4.4 Dissolved Oxygen Calibration in % Saturation . . . . . . . . . . . 16

4.4.1 To calibrate 100% Saturation . . . . . . . . . . . . . . . . . 16
4.4.2 To calibrate 0% Saturation . . . . . . . . . . . . . . . . . . 17

4.5 Dissolved Oxygen Calibration in mg/L or ppm Concentration

Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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4.5.1 To calibrate in mg/L (ppm) Concentration mode: . . . . . . 18

5 Measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

5.1 With Automatic Temperature Compensation (ATC) . . . . . . . 19
5.2 Manual Temperature Compensation . . . . . . . . . . . . . . . . 20
5.3 Taking Measurements . . . . . . . . . . . . . . . . . . . . . . . . 21

5.3.1 To take measurements: . . . . . . . . . . . . . . . . . . . . 21

5.4 Taking Pressure/Salinity Compensated DO Measurements . . . . . 21

5.4.1 Pressure Setting Adjustment . . . . . . . . . . . . . . . . . 22
5.4.2 Salinity Setting Adjustment . . . . . . . . . . . . . . . . . . 23

6 Hold Function . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
7 Advanced Setup Funtions . . . . . . . . . . . . . . . . . . . . . 25

7.1 Advanced Setup Overview . . . . . . . . . . . . . . . . . . . . . 25

7.1.1 To enter the % Saturation or Temperature Set Up menu: . . 25
7.1.2 To enter the mg/L (ppm) Concentration Set Up menu: . . . 26

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