Elcometer 331 H User manual

English

Elcometer 331

Half-Cell Meter

Model H

Operating Instructions

331_TMA_0434+_00_04.book Page -1 Thursday, March 12, 2009 10:05 PM

English

The Elcometer 331 Half-Cell Meter has been tested in accordance with EU regulations governing

Electro-magnetic compliance and it meets the required directives.

Note: Readings may be affected if the unit is operated within a radio frequency electromagnetic strength of

greater than 3 V/m.

, CoverMaster

and are registered trademarks of Elcometer Limited.

All other trademarks acknowledged.

retrieval system or otherwise) or translated into any language, in any form or by any means (electronic,

mechanical, magnetic, optical, manual or otherwise) without the prior written permission of

Elcometer Limited.

A copy of this Instruction Manual is available for download on our Website via www.elcometer.com/

downloads.

Doc.No. TMA-0434 Issue 03

Text with Cover No: 20447

331_TMA_0434+_00_04.book Page 0 Thursday, March 12, 2009 10:05 PM

CONTENTS

Section Page

1 About your Half-Cell Meter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

2 Quick-start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

3 Getting started . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

4 The menus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

5 Measuring half-cell potential . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

6 Half-cell probes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

7 Personalised welcome screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

8 Error messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

9 Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

10 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

11 Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

12 Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

13 Related equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

14 Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

331_TMA_0434+_00_04.book Page 1 Thursday, March 12, 2009 10:05 PM

Thank you for your purchase of this Elcometer 331 Half-Cell Meter. Welcome to Elcometer.

Elcometer are world leaders in the design, manufacture and supply of inspection equipment for concrete

and coatings. Our concrete inspection products include a comprehensive range of concrete, and civil

engineering inspection equipment. Our coatings products cover all aspects of coating inspection, from

development through application to post application inspection.

The Elcometer 331 Half-Cell Meter is a world beating product. With the purchase of this Half-Cell Meter you

now have access to the worldwide service and support network of Elcometer. For more information visit our

website at www.elcometer.com

1 ABOUT YOUR HALF-CELL METER

The Elcometer 331 Half-Cell Meter is a portable Half-Cell Meter for fast and accurate assessment of the

potential for corrosion of concrete reinforcement bars.

Your Half-Cell Meter measures half-cell potential - an electrochemical technique commonly used to assess

the potential for corrosion in reinforced concrete structures. The instrument acts as a voltmeter which

measures the potential difference between the steel reinforcement in the concrete structure and a reference

electrode (the half-cell) placed on the surface of the concrete.

The Half-Cell Meter is available in two versions:

• Model H (entry level)

• Model HM (with data logging)

This manual describes the operation of the Elcometer 331 Half-Cell Meter Model H.

Both versions of the instrument feature an easy-to-use menu-driven graphical interface which guides the

user during setup and measurement. A range of half-cell probes is available to suit your requirements.

331_TMA_0434+_00_04.book Page 2 Thursday, March 12, 2009 10:05 PM

This instrument is packed in cardboard and plastic packaging. Please ensure that this packaging is

disposed of in an environmentally sensitive manner. Consult your Local Environmental Authority for further

guidance.

To maximise the benefits of your new Elcometer 331 Half-Cell Meter please take some time to read

these Operating Instructions. Do not hesitate to contact Elcometer or your Elcometer supplier if you

have any questions.

1.1 FEATURES

Feature Elcometer 331 Model Page

H HM

Menu-driven backlit graphical user interface   12

Weather proof to IP65   -

Multiple languages   14

Memory - multiple linear and grid batches, up to 240 000 readings   -

Text fields for input of user data in each batch   -

Date and time stamping   -

Statistical analysis of readings and batches   -

Alarm if reading is outside limits   -

Transfer readings and statistics to a computer   -

CoverMaster

software for batch setup, data transfer and reporting   -

Plot mode   -

331_TMA_0434+_00_04.book Page 3 Thursday, March 12, 2009 10:05 PM

1.2 STANDARDS

The Elcometer 331 Half-Cell Meter can be used in accordance with the following National and International

Standards; ASTM C876, DGZfP:B3, TR60, UNI 10174.

1.3 WHAT THIS BOX CONTAINS

• Elcometer 331 Model H Half-Cell Meter

• Rechargeable battery pack and battery charger

• 25 m extension cable on spool

• 1.7 m red rebar cable with connecting clip

• 1.7 m black half-cell connecting cable

• Earphone

• Shoulder strap

• Plastic carrying case

• Operating instructions

Note: Half-Cell probes are not supplied with the main instrument and have to be ordered separately - see

“Accessories” on page 25.

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Figure 1. Elcometer 331 Half-Cell Meter

1.4 CONVENTIONS IN THESE INSTRUCTIONS

A simple menu structure helps you get the most from your Half-Cell Meter - see “The menus” on page 16.

There are many references to this menu structure in these instructions.

As an example, the LANGUAGE option which is in SETUP from the MAIN MENU would be shown in these

instructions as:

MENU / SETUP / LANGUAGE

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2 QUICK-START

Note: Before switching the Half-Cell Meter on for the first time read “Selecting a language” on page 14.

To configure the Half-Cell Meter quickly and start taking readings:

1. Charge the batteries see page 7

2. Fit half-cell probe and cables see page 10

3. Switch on see page 12

4. Select language see page 14

5. Take readings of half-cell potential see page 18

For an overview of your Half-Cell Meter menus and functions, see pages 16 to 17.

3 GETTING STARTED

This section of the instructions is intended for first-time users of the Half-Cell Meter. It contains essential

information about batteries, assembling the Half-Cell Meter, the controls and the display. At the end of this

section you will be ready to take readings.

3.1 THE POWER SUPPLY

Your Half-Cell Meter is powered by a rechargeable Lithium-Ion

battery pack which can be charged inside

or outside the Half-Cell Meter.

a. The Half-Cell Meter is not designed to operate using dry cell batteries.

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One battery pack is supplied with the Half-Cell Meter. To increase productivity on site, Elcometer

recommends that you purchase a spare battery pack which can be charged while you are using your Half-

Cell Meter. To order an additional battery pack (see “Accessories” on page 25), contact Elcometer or your

local Elcometer supplier.

CHARGING THE BATTERIES

The rechargeable battery must be fully charged before using the Half-Cell Meter for the first time. Use only

the charger supplied with your Half-Cell Meter to charge the battery. Use of any other type of charger is a

potential hazard, may damage your Half-Cell Meter and will invalidate the warranty. Do not attempt to

charge any other batteries with the supplied charger.

Always charge the battery indoors. To prevent overheating, ensure that the charger is not covered.

1. Unscrew the

retaining screw (1)

and open the

interface access

cover (2) on the rear

of the Half-Cell

Meter.

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2. Connect the lead

from the charger into

the socket marked

‘Charger Input’

behind the interface

access cover.

The Half-Cell Meter

will automatically

switch off when the

lead from the

charger is

connected.

3. Plug the charger supplied into the mains supply. The LED indicator on the charger will glow orange.

4. Leave the gauge charging for at least 4 hours. The LED indicator changes colour from orange to green

when charging is complete.

5. When charging is complete, disconnect the charger from the mains supply before removing the lead

from the Half-Cell Meter.

To remove the battery pack for charging outside the Half-Cell Meter, unscrew the two battery pack retaining

screws (3) at the rear of the Half-Cell Meter and slide out the battery pack. To charge the battery once it has

been removed, connect the lead from the charger into the socket on the battery pack.

Warning: Do not allow metallic objects to come into contact with the battery terminals; this may

cause a short circuit and result in permanent damage to the battery.

(battery in the Half-Cell Meter) (battery removed)

331_TMA_0434+_00_04.book Page 8 Thursday, March 12, 2009 10:05 PM

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