Extech Instruments TKG100 Manuale utente

USER GUIDE

TKG100

Digital Ultrasonic Thickness

Gauge

TKG150

Digital Ultrasonic Thickness

Gauge with Datalogger

Extech Instruments .

2TKG100_TKG150 Ultrasonic Thickness Gauge User Guide v2.8 11/13 2

WARRANTY

FLIR Systems, Inc. warrants this Extech Instruments brand device to be free

of defects in parts and workmanship for two years from date of shipment (a six

month limited warranty applies to sensors and cables). If it should become

necessary to return the instrument for service during or beyond the warranty period,

contact the Customer Service Department for authorization. Visit the website

www.extech.com for contact information. A Return Authorization (RA) number

must be issued before any product is returned. The sender is responsible for

shipping charges, freight, insurance and proper packaging to prevent damage in

transit. This warranty does not apply to defects resulting from action of the user

such as misuse, improper wiring, operation outside of specification, improper

maintenance or repair, or unauthorized modification. FLIR Systems, Inc. specifically

disclaims any implied warranties or merchantability or fitness for a specific purpose

and will not be liable for any direct, indirect, incidental or consequential damages.

FLIR‟s total liability is limited to repair or replacement of the product. The warranty

set forth above is inclusive and no other warranty, whether written or oral, is

expressed or implied.

The information in this document is subject to change without notice and describes

only the product defined in the introduction of this documentation. This document

is intended for the use of Extech Instruments customers only (a Flir Systems, Inc.

brand) for the purposes of the agreement under which the document is submitted,

and no part of it may be reproduced or transmitted in any form or means without

the prior written permission. For information address: Flir Commercial Systems,

Inc. 9 Townsend West, Nashua NH, 03063 U.S.A.

The information or statements given in this document concerning the suitability,

capacity, or performance of the mentioned hardware or software products cannot

be considered binding but shall be defined in the agreement made between Flir

Systems and the customer. However, Flir Systems has made all reasonable efforts to

ensure that the instructions contained in the document are adequate and free of

material errors and omissions. Flir Systems will, if necessary, explain issues which

may not be covered by the document.

Other product names mentioned in this document may be trademarks of their

respective companies, and they are mentioned for identification purposes only.

Printed in the United States of America

LIABILITY

Ultrasonic testing is a function of using the proper equipment

(electronics, transducer, cable and couplant combination) for the

inspection and a qualified operator who knows how to use this manual,

the instruments and all calibration procedures. The improper use of this

equipment, along with the improper calibration can cause serious

damage to components, factories, facilities, personal injury and even

death.

ALL FLIR SYSTEMS ULTRASONIC THICKNESS GAUGES ARE

NOT INTRINSICALLY SAFE AND SHOULD NOT BE USED IN

ANY HAZARDOUS OR EXPLOSIVE AREAS.

It is understood that the operator of this equipment is a well-trained

inspector qualified by either their own company or another outside

agency to issue Ultrasonic Level I, 40 hour class room training in

Ultrasonic Theory. Flir Systems and any of its employees or

representatives shall not be held responsible for improper use of this

equipment for its intended use. Proper training, a complete

understanding of Ultrasonic wave propagation, thorough reading of this

manual, proper transducer selection, correct zeroing of the transducer,

correct sound velocity, proper test blocks, proper cable length, proper

couplant selection all play a factor in successful ultrasonic thickness

gaging. Special care should be taken when test pieces have rough or

painted surfaces, particularly those applications where the test piece is

thin to begin with as doubling of the echoes is possible even if the

transducer is capable of measuring the desired thickness. As transducers

wear or heat up, results can be either too thin due to a lack of sensitivity

as a result of wear or too thick due to heating up of the transducer,

referred to as “drift.”

Extech Instruments .

4TKG100_TKG150 Ultrasonic Thickness Gauge User Guide v2.8 11/13 4

Table of Contents

Table of Contents........................................................................................ 4

1 Getting Started......................................................................................... 7

About the TKG Series............................................................................. 7

Probe Zero................................................................................................ 8

Keypad Functions.................................................................................. 10

Function Keys ........................................................................................ 11

Display Screen....................................................................................... 11

Battery Power......................................................................................... 13

Monitoring the Battery from the Display........................................ 13

Replacing the Batteries................................................................... 13

2 Basic Gauge Operations...................................................................... 14

Power on the Gauge ............................................................................. 14

Performing a Reset (TKG100) ............................................................. 16

Performing a Reset (TKG150) ............................................................. 17

About Screen ......................................................................................... 19

3 Calibrating the Gauge/Making Measurements................................ 20

Velocity Calibration Only....................................................................... 20

Velocity and Zero Calibration............................................................... 21

Zero Calibration Only ............................................................................ 22

Delay Line Calibration........................................................................... 23

Automatic Zero....................................................................................... 24

Measurement Mode with a Datalogger (TKG150) ....................... 26

Measurement Mode without a Datalogger (TKG100).................. 27

4 Measurement Mode Setup Options................................................. 29

Using the Clock...................................................................................... 31

Setting LCD Contrast ............................................................................ 33

Understanding a LOS Reading............................................................ 33

Using the Hold Option........................................................................... 34

Using the Fast Option ........................................................................... 35

Using the Gain Option (TKG150 only) ................................................ 38

Using the Diff Option............................................................................. 39

Using the Alarm Option......................................................................... 40

‘Vibra’ Alarm (TKG150 only) ........................................................... 44

Using the Echo-to-Echo Option (TKG150 only)................................. 47

5 Special Gauge Functions..................................................................... 48

Using the Save Option (TKG150 only)................................................ 48

Using the Freeze Option....................................................................... 50

6 Using Datalogger Directory Mode (TKG150) ................................... 55

Selecting a Custom Linear File ...................................................... 63

Selecting a Custom Grid File.......................................................... 63

Reviewing a File .................................................................................... 65

Reviewing a Linear File................................................................... 66

Reviewing a Grid File ...................................................................... 67

Renaming a File..................................................................................... 67

Extech Instruments .

6TKG100_TKG150 Ultrasonic Thickness Gauge User Guide v2.8 11/13 6

Copying a File........................................................................................ 71

Deleting a File........................................................................................ 74

7 Technical Specifications...................................................................... 76

8 Software Options................................................................................... 79

B-Scan (TKG150 only).......................................................................... 80

9 Technical Assistance............................................................................ 81

1 Getting Started

About the TKG Series

The TKG100 and TKG150 are portable, digital,

handheld thickness gauges. The TKG series of ultrasonic

thickness gauges are specifically designed to measure the

remaining wall thickness of primarily steel structures.

Vibralarm (vibrates gauge below/above

minimum/maximum thickness value)

Illuminating keypad for easy to view go-no go

thickness values (patent pending)

Automatic transducer replacement intelligence

built in (patent pending)

Unique, programmable left-hand/right-hand

operation (patent pending)

Up to 200 hour battery life with 2 AA batteries

Small, easy to hold, ergonomic, custom molded,

durable case with rubber keypad

Automatic zero capability

Gain boost

Extech Instruments .

8TKG100_TKG150 Ultrasonic Thickness Gauge User Guide v2.8 11/13 8

The TKG100 is a base gauge offering a simple user

interface packaged in the same custom molded high-

density plastic case with rubber keypad as the other more

sophisticated models. This gauge offers reliable, accurate

thickness readings on mostly steel structures with access

to only one side.

The TKG150 contains all the same features of the

TKG100 plus:

50,000 (expandable to 100,000) reading

datalogger capacity with complete setup

tracking

Three pre-set files for linear, grid (row advance)

and grid (column advance)

Echo-to-Echo

B-scan

Probe Zero

When turning on the TKG100 or TKG150 (for the sake

of this manual, with the exception of the datalogger, B-

scan, and Echo-to-Echo features, the two model

numbers are interchangeable for the basic operation and

calibration), the gauge does an automatic zeroing of the

transducer (after the user selects the transducer from the

list) thus eliminating the need for an on-block zero. The

TKG100 and TKG150 will electronically zero the

transducer upon power up and at a particular time during

normal operation. This feature ensures the transducer is

working in accordance with electronic zeroing

procedures. This feature is particularly important on high

temperature materials and when the transducer becomes

worn.

Important Notice: Please make sure the transducer

is not coupled to the test piece when the gauge is first

turned on and that there is no couplant on the end of

the transducer. The transducer should also be at room

temperature, clean without any noticeable wear.

Extech Instruments .

10 TKG100_TKG150 Ultrasonic Thickness Gauge User Guide v2.8 11/13 10

Keypad Functions

The figure below shows the full keypad of the TKG

Series thickness gauges. Refer to the following table that

lists the function of each key on the keypad.

Key

Function

Up arrow key

Down arrow key

Left arrow key

Right arrow key

On/Off symbol (under the F1 key)

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