Oakton PH 300 Manuel utilisateur

Technolo

ade

Instruction Manual

pH 300/310

Waterproof Hand-held pH / mV / Temperature Meter

68X248901

rev 5 11/02

Preface

This manual serves to explain the use of the waterproof pH 300/310 hand-held meter. It

functions in two ways, firstly as a step by step guide to help you to operate the meter.

Secondly, it serves as a handy reference guide. It is written to cover as many anticipated

applications of the waterproof pH 300/310 meter as possible. If there are doubts in the use of

the meter, please do not hesitate to contact the nearest Authorized Distributor.

Eutech Instruments/ Oakton Instruments cannot accept any responsibility for damage or

malfunction to the meter caused by improper use of the instrument.

The information presented in this manual is subject to change without notice as improvements

are made, and does not represent a commitment on the part of Eutech Instruments Pte Ltd/

Oakton Instruments.

Eutech Instruments Pte Ltd/ Oakton Instruments

Rev 5, 11/02.

TABLE OF CONTENTS

1INTRODUCTION 1

2DISPLAY AND KEYPAD FUNCTIONS 2

2.1 Display 2

2.2 Keypad 3

2.3 Inserting the Batteries 4

2.4 Connecting the Electrode and Temperature Probe 5

2.5 Attaching the Electrode Holder to the Meter 7

2.6 Inserting the Electrode into the Electrode Holder 7

3CALIBRATION 8

3.1 Important Information on Meter Calibration 8

3.2 Preparing the Meter for Calibration 8

3.3 pH Calibration 10

3.4 Relative mV Calibration 12

3.5 Temperature Calibration 13

4MEASUREMENT 14

4.1 Automatic Temperature Compensation 14

4.2 Manual Temperature Compensation 15

4.3 Taking Measurements 16

5HOLD FUNCTION 17

6MEMORY FUNCTION 18

6.1 Memory Input 18

6.2 Memory Recall 19

7ADVANCED SETUP FUNCTIONS 21

7.1 Advanced SET-UP Mode Overview 23

7.2 P 1.0: Memory Clear (CLr) 25

7.3 P2.0: Viewing previous calibration data 26

7.4 P3.0: Viewing electrode data 27

7.5 P4.0: Unit configuration 29

7.6 P5.0: Resetting to factory default settings 34

7.7 P5.0: Setting the real-time clock 35

7.8 P6.0: Resetting to factory default settings 37

8PROBE CARE AND MAINTENANCE 38

9TROUBLE SHOOTING GUIDE 40

10 ERROR MESSAGES 41

11 SPECIFICATIONS 42

12 ACCESSORIES 43

13 ADDENDUM 1: METER FACTORY DEFAULT SETTINGS 46

14 WARRANTY 47

15 RETURN OF ITEMS 48

1 INTRODUCTION

Thank you for selecting this meter. The waterproof pH 300/310 Hand-held meter is a

microprocessor-based instrument that is designed to be handy and user-friendly. It is capable of

measuring pH, mV and temperature. It is designed to be handy and capable of allowing one-hand

operation. It is completely WATERPROOF --- and it FLOATS!

This meter has many user-friendly features – all of which are completely accessible through the

water-resistant membrane keypad. Your meter includes a temperature probe, two electrode holders,

batteries, instruction manual and a warranty card. Complete portable testing versions, including a

rugged carrying case and calibration solutions, are also available. Refer to the Accessories section

for more information.

Please read this manual thoroughly before operating your meter.

2 DISPLAY AND KEYPAD FUNCTIONS

2.1 Display

The LCD has a primary and secondary display.

•The primary display shows the measured pH, mV or Relative mV value.

•The secondary display shows the measured temperature.

The display also shows error messages, keypad functions and program functions.

See Figure 1.

SETUP MEAS CAL MEM

Primary Display

Secondary Display

R.mV

MEM

ERR

AM PM

ATC

°C °F

READY

HOLD

OFF

-8.8.8.8

-1.8.8.8

1234

Figure 1: Full LCD Screen

1. SETup mode indicator 7. Temperature indicator (°F

available on pH 310 meter

only)

13. Low battery indicator

2. MEASurement mode

indicator

8. pH buffer selection indicator 14. Probe indicator

3. CALibration indicator 9. Automatic Temperature

Compensation indicator

15. Buffer indicator

4. MEMory recall mode

indicator

10. Clock indicator (pH 310

meter only)

16. Function ON/OFF indicator

5. mV or Relative mV indicator 11. ERRor indicator 17. HOLD indicator

6. pH indicator 12. MEMory location indicator 18. READY indicator

2.2 Keypad

The large membrane keypad makes the instrument easy to use. Each button, when pressed, has a

corresponding graphic indicator on the LCD. See Figure 2. Some buttons have several functions

depending on its mode of operation.

Key Function

ON/OFF Powers on and shuts off the meter. When you switch on the meter, the meter starts up in the

mode that you last switched off from. For example, if you shut the meter off in mV

measurement mode, the meter will be in mV measurement mode when you switch the meter

on.

HOLD Freezes the measured reading. To activate, press HOLD while in measurement mode. To

release, press HOLD again.

pH 310 model only: When auto endpoint feature is switched on, it automatically holds reading

after 5 seconds of stability. The HOLD indicator appears on the display.

Press HOLD to release auto endpoint feature.

MODE Selects the measurement parameter. Press MODE to toggle between pH, mV (or relative mV)

and date/time [date/time feature available on pH 310 model only].

CAL/MEAS Toggles between Calibration and Measurement mode.

1. If you were in pH Measurement mode, press CAL/MEAS to enter pH Calibration mode.

NOTE: Temperature calibration is available from pH Calibration mode. See page 13 for

directions.

2. If you were in mV Measurement mode, press CAL/MEAS to enter mV Calibration mode.

While in SETUP main menu, pressing CAL/MEAS takes you out directly into the measurement

mode.

ENTER 1. To confirm your calibration values in Calibration mode.

2. To confirm selections in SETUP mode.

MI/▲&

MR/▼

In Measurement mode:

Press MI/▲(memory input) to store values with its corresponding temperature values in the

memory. Press MR/▼(memory recall) to retrieve data from memory.

In SETUP mode:

Press to scroll through the setup subgroup programs.

In mV calibration mode:

Press to adjust the calibration value.

SETUP Takes you into the SETUP mode. This mode lets you customize meter preference and

defaults, and view calibration and electrode offset data.

Figure 2 - Keypad

2.3 Inserting the Batteries

Four AAA batteries are included with your meter.

1. Use a Philips screwdriver to remove the two screws holding the battery cover. See Figure 3

below.

2. Remove battery cover to expose batteries.

3. Insert batteries. Follow the diagram inside the cover for correct polarity.

4. Replace the battery cover into its original position using the two screws removed earlier.

Figure 3 - Back panel of meter showing battery compartment

2.4 Connecting the Electrode and Temperature Probe

The waterproof pH 300/310 handheld pH meter uses any standard pH, ORP, or ISE electrode with a

BNC connector. For Automatic Temperature Compensation (ATC), this meter requires a

temperature probe with a special 6-pin connector.

Use either:

•All electrode with a BNC connector and a separate temperature probe with 6-pin connector

(EC-PHWPTEM-01W/ 35618-05).

•A “3-in-1” combination pH electrode with temperature probe designed specifically for pH 300

and pH 310 waterproof meters.

Refer to “Accessories” section on page 43 for more information on temperature probe and other

electrodes.

NOTE: Keep connectors dry and clean. Do not touch connector with soiled hands.

To connect the pH, ORP or ISE electrode:

1. Slide the BNC connector of the probe over the BNC connector socket on the meter. Make sure

the slots of the connector are in line with the posts of the socket. Rotate and push the

connector clockwise until it locks.

5. To remove electrode, push and rotate the connector counterclockwise. While holding onto the

metal part of the connector, pull it away from the meter.

CAUTION: Do not pull on the probe cord or the probe wires might disconnect.

To connect the temperature probe:

1. Line up the notch and 6 pins on the probe connector with the holes in the connector located on

the top of the meter. Push down and screw the metal sleeve to lock the probe connector into

place. See Figure 4.

6. To remove probe, unscrew the metal sleeve and slide up the probe connector. While holding

onto metal sleeve, pull probe away from the meter.

CAUTION: Do not pull on the probe cord or the probe wires might disconnect.

Figure 4 - Connection for pH Electrode (BNC) and Temperature probe (6-pin connector)

2.5 Attaching the Electrode Holder to the Meter

The waterproof pH 300/310 handheld meter comes complete with two

electrode holders. They are designed to facilitate one-hand operation.

Attach two electrode holders if you have a separate electrode and

temperature probe. Care must always be taken to avoid use of excessive

force in the process of attaching these components.

1. Locate the slot on the right-hand side of the meter.

2. Gently slide the flange of the

holder into the slot on the

meter. Make sure the holder is

secured properly into the slot.

See figure 5.

3. You can attach the electrode holder in different

positions. See figure 6.

To attach a second electrode holder:

4. Align the flange of the second electrode holder with

the slot of the first holder.

5. Slide the flange of the second holder into the slot of the

first holder until the tops of the holders are aligned and

secure. See figure 7.

2.6 Inserting the Electrode into the

Electrode Holder

Do not use excessive force when inserting electrodes into the

holders.

Insert the pH electrode into the opening of the first holder until

the top housing of the electrode touches the top of the holder.

If you are using a separate temperature probe, insert the probe into the opening of the second holder

until the ridge on the housing touches the top of the holder.

NOTE: The holder is designed for probes 12 mm in diameter. Electrodes larger than

12 mm may not fit in the holder. Forcing the electrode into the opening may

damage the holder or your electrode.

Figure 5 - Holder

slot into right-hand

side of meter

Figure 6 - Electrode can be placed in

different positions with holder

Figure 7 - Two holders

Ce manuel convient aux modèles suivants

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