AE SW6 Manuale utente

 
CONTENTS 
OVERVIEW............................................................................................................. 1 
1 SPECIFICATIONS ................................................................................................... 1 
2 FEATURES ............................................................................................................2 
3 INCLUDED COMPONENTS &PROBE SELECTION ..................................................2 
INTRODUCTION OF THE GAUGE AND BASIC OPERATION ....................................... 3 
1 THE MAIN UNIT .................................................................................................... 3 
2 KEYPAD................................................................................................................. 3 
3 BASIC OPERATION ................................................................................................ 4 
3.1 INITIAL SETUP ............................................................................................... 5 
3.2 MAKING MEASUREMENTS............................................................................ 6 
CALIBRATIONS ....................................................................................................... 6 
1 ZERO CALIBRATION............................................................................................... 7 
2 MATERIAL VELOCITY CALIBRATION....................................................................... 7 
2.1 ONE POINT CALIBRATION.............................................................................. 7 
2.2 TWO POINT CALIBRATION............................................................................. 8 
2.3 SET THE VELOCITY AS A KNOWN VELOCITY .................................................. 8 
FUNCTION AND SETUP........................................................................................... 9 
1 MAIN MENU......................................................................................................... 9 
1.1 ECHO-ECHO (ECHO-ECHO MEASUREMENT MODE) ...................................... 9 
1.2 SAVE (DATA PROCESSING) ............................................................................. 9 
1.3 LIMIT (ALARM MEASUREMENT MODE)...................................................... 12 
1.4 UNITS .......................................................................................................... 12 
1.5 SCAN (SCAN MEASUREMENT MODE) ......................................................... 12 
1.6 DIFF (DIFFERENTIAL MEASUREMENT MODE) ............................................. 13 
1.7 HTEM (HIGH TEMPERATURE MEASUREMENT MODE)................................ 13 
1.8 AVG (AVERAGE MEASUREMENT MODE) ..................................................... 14 
1.9 STD (STANDARD MEASUREMENT MODE) ................................................... 15 
1.10 RESL (DISPLAY RESOLUTION)..................................................................... 15 

 
1.11 RATE (MEASUREMENT RATE).................................................................... 15 
1.12 AUTO-OFF ................................................................................................. 16 
1.13 RESET ........................................................................................................ 16 
1.14 CONTR (DYNAMIC CONTRAST).................................................................. 16 
1.15 LANGUAGE................................................................................................ 16 
1.16 PROBE-ZERO-CAL ...................................................................................... 17 
1.17 MANU-SELECT-PRB (MANUALLY SELECT PROBE) ...................................... 17 
1.18 SOUND (SOUND SETUP)............................................................................ 17 
1.19 ROTATE (SCREEN ROTATE) ......................................................................... 17 
1.20 CAL-1 (ONE-POINT CALIBRATION)............................................................. 17 
1.21 CAL-2 (TWO-POINT CALIBRATION)............................................................ 17 
1.22 VELOCITY PRESET (VELOCITY TABLE)......................................................... 18 
1.23 BACK-LIGHT............................................................................................... 18 
1.24 DIM (PIPE-WALL MEASUREMENT MODE)................................................. 19 
APPLICATION NOTES............................................................................................ 19 
1 FACTORS AFFECTING PERFORMANCE AND ACCURACY ...................................... 19 
1.1 SURFACE CONDITION .................................................................................. 19 
1.2 PROBE POSITIONING/ALIGNMENT ............................................................. 19 
1.3 CALIBRATION............................................................................................... 20 
1.4 TAPERING& ECCENTRICITY.......................................................................... 20 
1.5 ACOUSTIC PROPERTIES OF THE MATERIAL.................................................. 20 
2 PROBE SELECTION .............................................................................................. 21 
3 HIGH TEMPERATURE MEASUREMENTS.............................................................. 21 
MAINTENANCE AND TROUBLE SHOOTING........................................................... 23 
1 ROUTINE CARE AND MAINTENANCE..................................................................23 
2 PROBES............................................................................................................... 23 
3 OTHER ERROR OR PROBLEM INDICATIONS.........................................................23 
3.1 TURN ON AND LOW BATTERY PROBLEMS................................................... 23 
3.2 COUPLING PROBLEMS ................................................................................ 23 
3.3 IDENTIFY PROBE PROBLEM......................................................................... 24 
3.4 MEASUREMENT PROBLEMS........................................................................ 24 

APPENDIX

Ⅰ

............................................................................................................

1 OVERVIEW

Thank you for using QingCheng’s Ultrasonic Thickness Gauge. Please read the operating manual in detail

before use as this will enable you to use the gauge in the shortest amount of time. The manual includes

information on the functions, specifications, settings, operation and calibration of the gauge.

1.1 SPECIFICATIONS

SW6/SW6U: large range, high resolution mode, measuring range of 0.65mm～500mm, display resolution

of 0.01mm, capacity for data storage.

SW7: large range, high resolution mode, through-coat mode, measuring range of 0.65mm～500mm

(standard), 3.0～50mm (through-coat mode), display resolution of 0.01mm.

Table 1-1: SPECIFICATIONS

SW6

SW7

ange

(

anda

)

～

500

ange

(

)

～

(

Steel

depend

probe)

(

)

(

)

(

)

001

509

～

18699

(

)

and

z～

)

～

(

ona

)

upp

(

)

280

(

)

100

(

)

een

128×64 LCD

136

(

)

(

)

(

)

176g

(

ude

)

～

﹢

℃

(

obe

300

℃

)

20%～90%RH

1.2 FEATURES

●Measuring ranges from 0.65mm to 500mm (dependent on the gauge, probe and material).

●Suitable for different types of probes.

●Material velocity can be chosen or inputted directly. An unknown velocity can be found automatically

by one-point or two-point velocity calibration.

●Numerous kinds of measurement modes: standard, scan, alarm, difference, high-temperature (match

high-temperature probe), average, pipe-wall, echo-echo.

●Special pipe wall measurement mode improves the measuring accuracy of curved surfaces.

●Auto-matching makes the gauge suitable for various materials including metal, glass, plastic, rubber

and gray cast.

●High-capacity data storage (the U model) for up to 2000 data sets.

●Normal measurement can be done using function keys without need to open menu.

1.3 INCLUDED COMPONENTS & PROBE SELECTION

Table 1-2: INCLUDED COMPONENTS

Product

Quantity

Note

Main Unit

Probe

Couplant

Battery

USB cable

Optional

PC software

Optional

Table 1-3: PROBE SELECTION

Probe Type

Measuring Range

Work Temperature

Description

5M,Ф10

0.7～400mm

3.0～50mm(through coat)

-10～+50℃

Basic

(Suitable for through coat)

5M,Ф6

0.70～60mm

-10～+50℃

Little Pipe Wall

2.5M,Ф12

3.0～500mm

-10～+50℃

Basic

7.5M,Ф6

0.65～25mm

-10～+50℃

Mini Pipe Wall

7.5M,Ф10

0.65～250mm

-10～+50℃

High Resolution

ZW5P

4.0～80mm

-10～-300℃

High Temperature

2M,Ф22

3～50mm

(Gray Cast)

-10～+50℃

Gray Cast

Note: Measurement range depends on the probe, material, structure, surface condition and so on. High

temperature tolerance depends on the probe property and couplant.

2 INTRODUCTION OF THE GAUGE AND BASIC OPERATION

2.1 THE MAIN UNIT

The main unit of the gauge is shown in Figure 2-1:

Fig. 2-1: The Main Unit

2.2 KEYPAD

The keypad is shown in Figure 2-2:

Fig. 2-2: The Keypad

The function of each key is explained below:

•This key is used to: power on the gauge and simultaneously carry out self-checking;

return directly to the measuring GUI when in the menu or sub-menu; power off in the

measuring GUI (long press).

•This key is used to: save or cancel data in the measuring GUI; turn to the next page in

the main menu.

•This key is used to: open the sound velocity table or enter velocity; shift the cursor left

when adjusting readings or when in the main menu.

•This key is used to: open the measurement mode menu; shift the cursor right when

adjusting readings or when in the main menu.

•This key is used to: carry out a one-point calibration for sound velocity in the measuring

GUI; increase the indicated value or shift the cursor up in the main menu.

•This key is used to: carry out a two-point calibration for sound velocity in the measuring

GUI; decrease the indicated value or shift the cursor down in the main menu.

•This key is used to: turn the backlight on or off in the measuring GUI; to confirm your

setup or menu selection.

•This key is used to open the main menu from the measuring GUI or return to the menu.

2.3 BASIC OPERATION

The purpose of this section is to demonstrate how basic measurements can be made with the gauge. The

unit has been shipped from the factory with the following default conditions:

•SOUND VELOCITY: 5900m/s (approximate sound velocity for the steel test bar provided with the

gauge) (see “Note” below)

•BACKLIGHT: ON

•UNITS: mm/inch

•LANGUAGE: ENGLISH

•MEASUREMENT RATE: 4 times/s

•DISPLAY RESOLUTION: 0.01mm/0.001inch

A further explanation of these default conditions can be found in later sections of this manual. It is

recommended that they only be changed by the operator after they have become familiar with the more

sophisticated features of the gauge.

Note: The default value for sound velocity is only an approximation of the sound velocity in the test block

material. The sound velocity of stainless steel is typically 5663m/s. Therefore, if you find the default value

gives inaccurate results on your material, please refer to Section 3 for calibration instructions.

2.3.1 INITIAL SETUP

In this section, general operation procedure when in the standard measurement mode will be introduced.

Please follow this procedure when operating the gauge for the first time.

•STEP 1: Plug the probe into the gauge at the top end of the gauge.

•STEP 2: Power on the gauge by pressing . The ON GUI and measuring GUI will appear in

turn (initial setup as shown in Figure 2-3). The gauge will auto-recover the setup from the

previous use.

5920m/s 5.0M STD

10.00mm

Velocity

Probe Frequency

Couple State

Unit

Measurement Mode

Fig. 2-3: Standard Measurement GUI

•STEP 3: Velocity Input or Zero Calibration.

Material velocity must be correct when doing measurements. If the velocity of the material to

be measured is known, please input it first (refer to Section 3.1), otherwise the velocity should

be calibrated. To calibrate the velocity, refer to Section 3.2. Following this, zero calibration

should be carried out (refer to Section 3.1).

•STEP 4: Measurement

Firmly couple the probe to the surface of the material to be measured. Ensure couplant is

applied at the point of contact (refer to Section 2.3.2 for more detail on measurement).

•STEP 5: Save

Refer to Section 4.1.2

•STEP 6: Upload data (suitable for USB gauge)

To upload the saved data to the computer for processing, complete the following:

1. Press to enter the main menu (as shown in Figure 4-1)

2. Select SAVE using , , or

3. Press to enter the SAVE GUI01.2.2.2.2.

4. Select UPLOAD using , , or

5. Press to start upload

6. Press to return to the measuring GUI

7. If you want to check the saved data, refer to Section 4.1.2.1

2.3.2 MAKING MEASUREMENTS

•STEP 1: Apply couplant to the test block or material at the spot to be measured. In general, the

smoother the material surface, the thinner the couplant may be. Rough surfaces require more

viscous couplant such as gel or grease. Special couplant may be required for high temperature

applications.

•STEP 2: Press the tip of the probe to the surface of the material to be measured. Use firm

pressure and keep the probe as flat as possible on the material surface.

•STEP 3: Read the material thickness on the gauge display.

Note: For highest accuracy, the velocity of the material must be correct. Refer to Section 3, VELOCITY

SETUP, for this procedure.

3 CALIBRATIONS

Calibration is the process of adjusting the gauge so that it measures accurately on a particular material

using a particular probe at a particular temperature. Calibration should be carried out when using the

gauge for the first time or when probes are changed. Below are the gauge’s various calibration procedures.

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