Panametrics MG2 Manuale utente

USER’S MANUAL

MG2, MG2-XT, MG2-DL

Ultrasonic Thickness Gages

Part No. 910-257C

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Printed in the United States of America.

March 2006 910-257C

MG2 Series

Table of Contents

Preface and Warranty

1 General Information...................................................... 1-1

2 Basic Operation.............................................................. 2-1

2.1 Initial Setup......................................................... 2-2

2.2 Making Measurements........................................ 2-4

2.3 Low Battery......................................................... 2-4

3 Standard Calibration Measurement............................ 3-1

3.1 Introduction......................................................... 3-1

3.2 Transducer Zero Compensation.......................... 3-2

3.3 Velocity and Zero Calibration............................. 3-3

3.4 Material Velocity Calibration ............................. 3-4

3.4.1 Material Sound Velocity Unknown..... 3-4

3.4.2 Material Sound Velocity Known......... 3-6

3.5 Zero Calibration.................................................. 3-7

3.6 THRU-COAT®Calibration (MG2-XT and DL) 3-8

3.6.1 THRU-COAT Calibration (Material).. 3-9

3.6.2 THRU-COAT Calibration................... 3-9

3.7 Echo-to-Echo Calibration.................................... 3-11

4 Additional MG2 Gaging Features................................ 4-1

4.1 Back Light........................................................... 4-2

4.2 Freeze Mode........................................................ 4-4

4.3 Gain Adjust ......................................................... 4-4

4.4 Material Gain Sensitivity Optimization .............. 4-5

4.5 Measurement Set................................................. 4-6

4.5.1 Meas Option ........................................ 4-7

4.5.2 Units .................................................... 4-8

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4.5.3 Resolution............................................ 4-8

4.5.4 Min/Max.............................................. 4-9

4.5.5 Hold/Blank .......................................... 4-10

4.5.6 Measure Rate....................................... 4-10

4.5.7 CAL Lock............................................ 4-11

4.5.8 ID Overwrite........................................ 4-12

4.6 System Setup....................................................... 4-12

4.6.1 Beeper.................................................. 4-13

4.6.2 Inactive Time....................................... 4-13

4.6.3 Radix.................................................... 4-14

4.6.4 Backlight Mode ................................... 4-15

4.6.5 36DLP Output ..................................... 4-15

4.7 High/Low Alarms................................................ 4-16

4.8 Diff Mode............................................................ 4-17

4.9 Clock Setup......................................................... 4-18

4.10 Resets ................................................................ 4-19

4.10.1 Measurement Reset ........................... 4-19

4.10.2 Master Reset ...................................... 4-21

4.10.3 Database Reset................................... 4-22

4.11 Activating Waveform Option............................ 4-22

4.12 Optional Waveform........................................... 4-24

4.13 Waveform Adjust Mode.................................... 4-27

4.13.1 Manual Gain Adjust .......................... 4-28

4.13.2 Extended Blank ................................. 4-30

4.13.3 Database ResetE1 (Echo 1) Blank..... 4-31

4.13.4 Range................................................. 4-33

4.13.5 Delay.................................................. 4-35

4.14 B-Scan............................................................... 4-36

4.14.1 Using the B-scan Function ................ 4-38

4.14.2 B-scan Freeze .................................... 4-40

4.14.3 Saving B-scan.................................... 4-41

4.15 DB Grid (DL Models Only).............................. 4-42

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MG2 Series

4.15.1 Using the DB Grid Function.............. 4-43

4.15.2 Saving Data ....................................... 4-44

4.15.3 Reviewing Stored Thickness Data..... 4-45

4.15.4 Editing and Moving Directly............. 4-46

4.15.5 Inserted ID# Location in Grid Files... 4-47

5 Datalogger........................................................................ 5-1

5.1 Datalogger Overview.......................................... 5-1

5.2 Organizing the Datalogger.................................. 5-3

5.2.1 File Name Structure............................. 5-3

5.2.2 Identifier Structure............................... 5-3

5.3 Creating Data Files.............................................. 5-4

5.3.1 Standard Editing Commands............... 5-4

5.3.2 Creating Files From a Computer......... 5-6

5.3.3 Creating Files From the MG2-DL....... 5-6

5.4 Opening a File..................................................... 5-15

5.5 Saving Data......................................................... 5-16

5.6 Using the Review ID Mode................................. 5-17

5.7 Using Edit ID Mode............................................ 5-18

5.8 Delete .................................................................. 5-19

5.8.1 Deleting a Range of ID#s in a File...... 5-19

5.8.2 Deleting Selected Files........................ 5-20

5.8.3 Deleting Stored Value ......................... 5-22

5.9 Receiving Files and Using GageViewTM............. 5-23

5.9.1 Receiving Files From a Computer....... 5-23

5.9.2 Using GageView ................................. 5-24

5.10 Statistics Reports............................................... 5-24

6 Specifications.................................................................. 6-1

7 Theory of Operation...................................................... 7-1

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8 Application Notes........................................................... 8-1

8.1 Performance and Accuracy Factors .................... 8-1

8.2 Transducer Selection........................................... 8-4

8.3 High Temperature Measurements....................... 8-6

9 Maintenance and Troubleshooting .............................. 9-1

9.1 Routine Care and Maintenance ........................... 9-1

9.2 Transducers ......................................................... 9-1

9.3 Error Messages.................................................... 9-2

9.4 Turn On and Low Battery Problems................... 9-2

9.5 Measurement Problems....................................... 9-3

9.6 Self Diagnostics .................................................. 9-4

9.7 Tests .................................................................... 9-7

9.8 Repair Service..................................................... 9-10

9.9 Replacement Parts and Options .......................... 9-10

Appendix I: Sound Velocities

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MG2 Series

Preface

MG2 Series Ultrasonic Gages (MG2, MG2-XT, MG2-DL) are

designed and manufactured as precision instruments. Under normal

working conditions, they will provide long, trouble-free service.

Damage in transit - Inspect the unit thoroughly immediately upon

receipt for evidence of external or internal damage that may have

occurred during shipment. Notify the carrier making the delivery

immediately of any damage, since the carrier is normally liable for

damage in shipment. Preserve packing materials, waybills, and other

shipping documentation in order to establish damage claims. After

notifying the carrier, contact Olympus NDTTM so that we may assist

you in the damage claims, and provide replacement equipment, if

necessary.

Warranty

Olympus NDT guarantees MG2 Series Ultrasonic Gages to be free

from defects in materials and workmanship for a period of two years

(twenty-four months) from date of shipment. The warranty covers

only equipment that has been used in a proper manner as described in

this instruction manual and has not been subject to excessive abuse,

unauthorized repair, or modification. DURING THIS WARRANTY

PERIOD, Olympus NDT LIABILITY IS STRICTLY LIMITED TO

REPAIR OR REPLACEMENT OF A DEFECTIVE UNIT AT ITS

OPTION. Olympus NDT does not warrant MG2 Series Ultrasonic

Gages to be suitable for intended use, and assumes no responsibility

for unsuitability for intended use. Olympus NDT accepts no liability

for consequential or incidental damages including damage to property

and/or personal injury.

This warranty does not include the transducer, transducer cable,

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MG2 Series

charger or battery. The customer will pay shipping expense to the

Olympus NDTTM plant for warranty repair; Olympus NDT will pay

for the return of the repaired equipment. For instruments not under

warranty, the customer will pay shipping expenses both ways.

Olympus NDT offers an optional third year warranty coverage (at an

additional cost), under the same terms, at the time of purchase.

Olympus NDT reserves the right to modify all products without

incurring responsibility for modifying previously manufactured

products. Olympus NDT does not assume liability for the results of

particular installations, as these circumstances are not within our

control.

March 2006 910-257C

MG2 Series Page 1-1

1 GENERAL INFORMATION

Panametrics-NDTTM MG2 Series Ultrasonic Gages are designed for a

wide range of applications including quick spot measurements to

determine wall thickness of various structures and measurement of

corroded metal. The MG2 series includes:

• MG2 - Features include: Automatic probe recognition, quick

compensations for transducer temperature changes, fast scan min

hold mode with 20 readings/sec and freeze function, selectable

Hold or Blank display during loss of signal (LOS) conditions,

LCD with selectable backlight or auto backlight for a highly

readable display under all lighting conditions, selectable English/

metric units, selectable calibration lockout functions to prevent

accidental change to calibration, selectable resolutions .001"

(.01mm) or .01" (.1mm), easy calibration for unknown material

velocity and/or transducer zero, and automatic power off.

• MG2-XT - Features include: Automatic probe recognition, quick

compensations for transducer temperature changes, fast scan min

hold mode with 20-readings/sec and freeze function, freeze func-

tion that instantly freezes displayed measurement, differential

mode that displays the difference between the actual thickness

and a user set nominal reference value, THRU-COAT®that dis-

plays the thickness of the coating and the true metal thickness

using a single backwall echo, Echo-to-Echo that displays the true

metal thickness and ignores the thickness of the coating layer,

High-Low Alarm that indicates out of tolerance measurements,

Gain Adjustment to help enable measurements in difficult appli-

cations, Material Sensitivity Optimization, selectable Hold or

Blank display during loss of signal (LOS) conditions, LCD with

selectable backlight or auto backlight for a highly readable dis-

910-257C March 2006

Page 1-2 MG2 Series

play under all lighting conditions, selectable calibration lockout

functions to prevent accidental change to calibration, selectable

resolutions .001" (.01mm) or .01" (.1mm), and easy calibration

for unknown material velocity and/or transducer zero.

• MG2-DL - Features include: Quick compensations for transducer

temperature changes, fast scan min hold mode with 20 readings/

sec and freeze function, freeze function that instantly freezes dis-

played measurement, differential mode that displays the differ-

ence between the actual thickness and a user set nominal

reference value, THRU-COAT®that displays the thickness of the

coating and the true metal thickness using a single backwall

echo, Echo-to-Echo that displays the true metal thickness and

ignores the thickness of the coating layer, High-Low Alarm that

indicates out of tolerance measurements, Gain Adjustment to

help enable measurements in difficult applications, Material Sen-

sitivity Optimization, On-Board Datalogger for storage of up to

8000 thickness readings, and USB output for computer interface.

Table 1 below lists MG2 Series features:

Table 1: MG2 Series Features

MG2 Series Features MG2 MG2-XT MG2-DL

Thickness Range 0.020"-25.00"

(0.50-635.0 mm) •••

Compatible with Complete Line of

Dual Element Transducers •••

Thickness Display Resolution up

to 0.001" (0.01 mm) •••

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