Elcometer PG70 User manual

Model PG70

Model PG70DL

Precision Gauge

Operating Instructions

This product meets the Electromagnetic Compatibility Directive.

The product is Class A, Group 1 ISM equipment according to CISPR 11. Group ISM product: A product in which

there is intentionally generated and/or used conductively coupled radio-frequency energy which is necessary for

the internal functioning of the equipment itself.

Class A product is suitable for use in all establishments other than domestic and those directly connected to a

low voltage power supply network which supplies buildings used for domestic purposes.

Note: In the close presence of some radio transmitters, erroneous readings may be given. If this occurs tests

should be repeated at another location.

These operating instructions are available for download on our website www.elcometerndt.com.

The following trademark is a registered trademark of Elcometer Limited, Edge Lane, Manchester, M43 6BU.

United Kingdom:

Material Safety Data Sheet for the ultrasonic couplant supplied with the PG70DL & PG70 and available as an

accessory, is available to download via our website:

Elcometer NDT Ultrasonic Couplant Material Safety Data Sheet :

www.elcometerndt.com/images/MSDS/elcometer_ultrasonic_couplant.pdf

document may be reproduced, transmitted, transcribed, stored (in a 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. Doc.No. TMA-0499 Issue 02

Text with Cover No: 23226

Contents

1 About your gauge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

2 The keypad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

3 Getting started. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

4 The display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

5 Setting up Gauge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

6 Measurement modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

7 Taking readings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

8 Measurement - Recording your readings (PG70DL only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

9 Transferring readings to a computer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

10 Storage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

11 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

12 Technical specification. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

13 Spares & Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

14 Warranty. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

15 Transducers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

16 Condition and preparation of surfaces. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

17 Application notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

18 Sound velocities of common materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Thank you for purchasing this Model PG70/PG70DL Precision Gauge. Welcome to Elcometer.

Elcometer are world leaders in the design, manufacture and supply of coatings inspection equipment. Our

products cover all aspects of coating inspection, from development through application to post application

inspection.

The Model PG70/PG70DL Precision Gauge are world beating products. With the purchase of this gauge

younow have access to the worldwide service and support network of Elcometer NDT. For more information

visit our website at www.elcometerndt.com.

1 ABOUT YOUR GAUGE

The Model PG70/PG70DL Precision Gauge are hand-held gauges for fast and accurate measurement of

the thickness of thin materials.

Your gauge is capable of measuring the thickness of various materials with great precision. The principal

advantage of ultrasonic measurement over traditional methods is that ultrasonic measurements can be

performed with access to only one side of the material being measured.

Your gauge is also capable of measuring the thickness of plastics.

There are two versions of the gauge:

• The Model PG70 is the basic model.

• The Model PG70DL model includes all the features of the Model PG70 model plus a data-logging

(memory) facility which allows readings to be stored in batches before being downloaded to a

computer.

This manual describes the operation of both models - Model PG70 and PG70DL.

1.1 STANDARDS

Your gauge can be used in accordance with the following Standards and test methods; ASTM E 797 and

EN 15317.

1.2 WHAT THIS BOX CONTAINS

Model PG70 or PG70DL Gauge, Bottle of couplant, Battery (2 x), Carrying case, Test certificate, Operating

instructions, CD with data transfer and data collection software (DL version only), RS232 cable and USB to

Serial converter.

Note : The box does not include a transducer; these must be ordered separately. To order a transducer,

contact Elcometer NDT or your local Elcometer NDT supplier.

To maximise the benefits of your new Elcometer NDT Ultrasonic Thickness Gauge, please take

some time to read these Operating Instructions. Do not hesitate to contact Elcometer NDT or your

Elcometer NDT supplier if you have any questions

1.3 FEATURES OF THE GAUGE

ECHO-TO-ECHO MODE: Allows measurement of coated materials without having to remove the coating.

INTERFACE-TO-ECHO MODE: The gauge switches to this mode automatically when measuring thicker

materials and plastic.

PLAS MODE: For measuring the thickness of plastics.

SCAN MODE: Identifies the minimum thickness over a large area while moving the transducer over the

surface. While the transducer is in contact with the material being measured the smallest value is held in

memory and displayed when scanning is complete.

ALARM: Allows the user to set a target so that an audible and visual alarm operates when taking

measurements. If the measurement falls below a pre-set nominal (target) value a red LED will light and the

beeper sounds. A green LED will light to indicate an acceptable thickness.

DATA OUTPUT: Allows the user to send data direct to a printer or PC.

DATA-LOGGING (PG70DL VERSION ONLY): Memory capacity of up to 1000 readings. Readings are stored in

up to 10 batches each containing up to 100 readings. Batches may be transferred to a PC using supplied

software.

1.4 PACKAGING

Your gauge is packed in a cardboard and foam package. Please ensure that this packaging is disposed of

in an environmentally sensitive manner. Please consult your Local Environmental Authority for further

guidance.

Elcometer 207

Ultrasonic Thickness Gauge

DIFF

SEND

ALRM

CAL

OFF

SCAN

DIFF

SENDCAL

LRM

PRECISION GAUGE

Elcometer 207

Ultrasonic Thickness Gauge

DIFF

SEND

ALRM

CAL

OFF

PRECISION GAUGE

CLR

MEM

SEND

MODE

CAL

PG70 PG70DL

2 THE KEYPAD

MODEL PG70

Key Functions For more

information see Mode

Press to switch the gauge on or off.

When switching off, the gauge retains all of its settings.

If the gauge is idle for 5 minutes, it will switch itself off.

PG70

PG70DL

Press to adjust the features and settings of the gauge (alarm, scan, mode,

units, backlight, and beeper). PG70DL

Press to switch SCAN mode on or off. page 15. PG70

Press to adjust calibration. page 12. PG70

PG70DL

Press to change units (metric/imperial) PG70

PG70DL

a) Increases values on the display (press and hold to change values quickly). PG70

b) Switches between measurement modes (echo-echo, interface-echo or

auto). PG70

c) Scrolls up through menu system PG70DL

MODE

a) Decreases values on the display (press and hold to change values quickly). PG70

b) Switches the display backlight between three settings; on, off and auto. page 19. PG70

c) Press and hold during gauge switch on to toggle LOC mode on/off page 20. PG70

d Scrolls down through menu system PG70

PG70DL

a) Press and hold during gauge switch on to toggle the audible beeper on or

off. PG70

b) Press to toggle the alarm on or off, and to adjust the nominal thickness

value. page 17. PG70

Press to toggle the DIFFERENTIAL mode on or off, and to adjust the nominal

thickness value. page 16. PG70

PG70DL

Press to switch data logging (memory) on/off.

Measurement -

Recording your

readings - see

page 22.

PG70DL

Press when data logger is switched on to clear the contents of an entire batch,

or an individual memory location.

The CLR key is also used to send an obstruct message (ObSt) to an individual

memory location. The ObSt symbol would indicate that the user was unable to

take a reading at a particular location.

Measurement -

Recording your

readings - see

page 22.

PG70DL

Key Functions For more

information see Mode

MEM

CLR

a) Press to send the displayed thickness measurement to an external storage

device via the RS232 port. page 26. PG70

b) Press to select functions in the menu and save readings PG70

c) Press to send the displayed thickness measurement to an internal memory

location or an external storage device via the RS232 port. page 26. PG70DL

c) Press to select data logging functions.

Measurement -

Recording your

readings - see

page 22.

PG70DL

Key Functions For more

information see Mode

3 GETTING STARTED

3.1 FITTING BATTERIES

Your gauge may be used with dry cell batteries or rechargeable batteries.

2 x LR6 (AA) alkaline batteries are supplied in the kit.

When the battery voltage is low the entire display will start to flash. When

this occurs the batteries should be replaced.

To fit or replace batteries:

1. Unscrew battery compartment cover.

2. Referring to battery polarity instructions on rear of gauge, insert

batteries into gauge ensuring correct polarity.

3. Replace battery compartment cover.

Remove the batteries from the gauge if it is to remain unused for a long

period of time. This will prevent damage to the gauge in the event of

malfunction of the batteries.

Note: Alkaline batteries must be disposed of carefully to avoid

environmental contamination. Please consult your local environmental

authority for information on disposal in your region.

Do not dispose of any batteries in fire.

3.2 CHOOSING THE TRANSDUCER

Information can be found on the Elcometer NDT Knowledge Centre on www.elcometerndt.com.

Elcometer 207

Ultrasonic Thickness Gauge

DIFF

SEND

ALRM

CAL

OFF

SCAN

DIFF

SENDCAL

LRM

PRECISION GAUGE

Battery

compartment

cover

Model PG70

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