Checkline TI-MVX Bedienungsanleitung

TABLE OF CONTENTSCHAPTER ONE: INTRODUCTION ...2CHAPTER TWO: QUICK STARTUP G

2) Press the ENTER key to display the digits edit box.3) Press the UP and DOWN arrow keys to scroll the highlighted value.4) Press the LEFT and RIGHT

B-SCAN DIGITSIn the upper left corner of each of the mode photos above, is the repeatabilityindicator. The repeatability indicator is represented by s

CHAPTER THREE: KEYBOARD, MENU, & CONNECTOR REFERENCE3.1 Menu Key (Operation & Sub Menus ) The Menu key activates the primary menu structure c

3.2 Probe – MenuZero: The TI-MVX is zeroed in much the same way thata mechanical micrometer is zeroed. If the TI-MVX is notzeroed correctly, all of t

Two Point: Performs a two-point calibration. This option allows the user to auto-matically calculate the velocity by entering a second known sample th

3.5 TUNE – MenuGain: Increases or decreases the overall amplitudeof the signal. Much like turning the volume up ordown on a stereo receiver. Refer to

3.7 SETUP – MenuOpen: Displays a list of factory and user defined setupscurrently stored in memory. These setups can berecalled and used at any time.

Alarm Status: Toggles alarm mode on or off. Refer to page 75 for further info.Alarm LO Limit: Gives the user the ability to set the LO limit parameter

3.12 MEAS (measurement mode) KeyThe MEAS key puts the TI-MVX into it’s primary mode of operation. Inthis mode, the user has a complete view of the LC

3.13 OK KeyThe primary function of the OK key is confirmation of a change orselection.3.14 ESC KeyThe ESC key is used in the MENU, MEAS, and EDIT func

CHAPTER ONE: INTRODUCTIONThe CHECK-LINE model TI-MVX is a visual A / B scan ultrasonic thicknessgauge. Based on the same operating principles as SONAR

3.19 Top & Bottom End CapsThe top & bottom end panels are where all connections are made to the TI-MVX. The diagram above shows the layout an

CHAPTER FOUR: PRINCIPALS OF ULTRASONIC MEASUREMENT4.1 Time versus thickness relationshipUltrasonic thickness measurements depend on measuring the len

0.010 inch to 9.999” in steel. However, the maximum attainable thickness ismuch less for more attenuative materials (materials that absorb sound).Accu

4.6 Measurement ModesIn this section we will discuss the different measurements modes the TI-MVX iscapable of operating in, the transducers required,

Echo-Echo Mode: The echo-echo mode measuresbetween two reflections. This technique is common-ly used to eliminate errors from surface coatingsand also

4.7 Glossary of termsRepetition Rate & Display UpdateThe repetition rate is how often the TI-MVX generates a burst of ultrasound.The TI-MVX has a

CHAPTER FIVE: SELECTING THE MEASUREMENT MODE5.1 The setup libraryThe TI-MVX contains 64 user configurable preset locations to store customsetups for

to measuring. Users will often use pulse-echo mode and echo-echo mode inconjunction when performing inspections on coated materials.Thru coating measu

5.3 Factory Setup ChartNum Name Comment 1 Gn/AGC Velocity1 STEEL BASIC 45 0.2330 in/uSec2 STEEL THRU PNT STD _ 5MHZ HD 15 0.2330 in/uSec3 STEEL THR

CHAPTER SIX: MAKING MEASUREMENTSThe steps involved in making measurements are detailed in this section. The following sections outline how to setup an

CHAPTER TWO: QUICK STARTUP GUIDETurn the TI-MVX on and off using the switch located on the bottom right cornerof the keypad. When TI-MVX is initially

Selecting the Transducer Type1) Press the MENU key once to activate the menuitems tab. Press the MENU key multiple times totab right and the ESC key m

3) Press the ENTER key to display the list of stored setups.4) Press the UP and DOWN arrow keys to scroll through the list of setups untilthe appropri

6.2 Probe ZeroAs noted in chapter 3, the probe zero function is a very important and necessaryfunction that must done prior to calibration. It should

The One Point calibration is the simplest and most commonly used calibrationmethod -optimizing linearity over large ranges. The Two Point calibration

2) Apply a drop of couplant on the transducer. Place the transducer in steadycontact on the known thickness location. Be sure that the reading is stab

1) Using a set of calipers, physically measure two known thickness locations onthe sample of material. Note: The two locations should represent the de

Note: CHECK YOUR CALIBRATION! Place the transducer back on both calibra-tion points. The thickness readings should now matchthe known thickness locati

CHAPTER SEVEN: USING THE A-SCAN & B-SCAN DISPLAYSA key feature of the TI-MVX is the waveform display. The waveform is a graphicalrepresentation of

3) Use the LEFT and RIGHT arrow keys to scroll the view options. Once theappropriate view is displayed, press the MEAS key to return to the measuremen

E) Echo Signal – Graphical full waveform representation of the echo signal dis-played as an amplitude (vertical or “Y” axis) plotted against time (hor

2.2 Probe Zero & CalibrationThe next step is to calibrate the TI-MVX to the material and transducer beingused. If a sound velocity is not known,

Rectified View The rectified A-Scan mode shows half of thewaveform. Either the positive or negativepeaks are displayed, depending on the polar-ity sel

WARRANTYELECTROMATIC Equipment Co., Inc. (ELECTROMATIC) warrants to the original purchaser that this product is of merchantable quality and confirms i

Model TI-MVXVISUAL A/B SCAN THICKNESS GAUGEELECTROMATIC E Q U I P M E N T C O., I N C.600 Oakland Ave., Cedarhurst, NY 11516–U.S.A.TEL: 516-295-4300

4) Press the OK key to complete the probe zero function, or ESC key to cancelthe probe zero function.5) Remove the transducer from the probe zero disk

Known ThicknessSometimes the sound velocity of a material is not known. In this case a samplewith a known thickness can be used to determine the sound

Basic Material TypeIf the material velocity is unknown, and a sample thickness cannot be taken fromthe material, the user may opt to choose a basic ma

2.3 MeasureThe TI-MVX is now ready to measure. There are four different measurementview options, each with a specific purpose. The steps below outline

DIGITS: Displays the digital thickness value using a larger font size. This view isuseful when the TI-MVX is being used as a basic thickness gauge.Onc