ACS A1208 Manuale utente

Ultrasonic thickness gauge A1208

Operation Manual

ACOUSTIC

CONTROL

SYSTEMS

ULTRASONIC

THICKNESS GAUGE

Acoustic Control Systems – ACS Group

Saarbrücken, Germany 2019

A1208

OPERATION MANUAL

Ultrasonic thickness gauge A1208

Operation Manual

ACOUSTIC

CONTROL

SYSTEMS

Ultrasonic thickness gauge A1208

Operation Manual

ACOUSTIC

CONTROL

SYSTEMS

CONTENTS

1 DESCRIPTION AND OPERATION............................................................................................................................6

1.1 Intended use......................................................................................................................................................................................................6

1.1.1 Intended use and range of application...............................................................................................................................6

1.1.2 Operating conditions........................................................................................................................................................................6

1.2 Technical speciﬁcations...........................................................................................................................................................................7

1.3 Arrangement and operation................................................................................................................................................................8

1.3.1 Arrangement...........................................................................................................................................................................................8

1.3.2 Operating principle...........................................................................................................................................................................9

1.3.3 Operating modes................................................................................................................................................................................9

1.3.4 Display of the device ........................................................................................................................................................................10

1.3.5 The device keyboard.........................................................................................................................................................................13

2 INTENDED USE..............................................................................................................................................................14

2.1 Operational restrictions............................................................................................................................................................................14

2.2 Preparing the device for use...............................................................................................................................................................14

2.2.1 Preparation of the surface ...........................................................................................................................................................14

2.2.2 Connection of the transducer..................................................................................................................................................14

2.2.3 Switching the device On/Off.....................................................................................................................................................15

2.2.4 The setup of the device to the parameters of the used PET...........................................................................15

Ultrasonic thickness gauge A1208

Operation Manual

ACOUSTIC

CONTROL

SYSTEMS

2.3 Using the device ...........................................................................................................................................................................................18

2.3.1 Work with the device.......................................................................................................................................................................18

2.3.2 The SETUP mode...............................................................................................................................................................................18

2.3.3 The MONITORING Mode..............................................................................................................................................................33

2.3.4 The MEMORY Mode ........................................................................................................................................................................35

3 MAINTENANCE.............................................................................................................................................................. 40

3.1 Battery....................................................................................................................................................................................................................40

3.2 Charging the battery.................................................................................................................................................................................40

3.3 Possible malfunctions..............................................................................................................................................................................40

4 STORAGE .........................................................................................................................................................................41

5 TRANSPORTATION ......................................................................................................................................................42

APPENDIX A.......................................................................................................................................................................43

Ultrasonic thickness gauge A1208

Operation Manual

ACOUSTIC

CONTROL

SYSTEMS

The present operation manual (hereinafter referred to as the “Manual”) contains technical

speciﬁcations, description and operating principle of the device as well as information necessary

for correct operation of the ultrasonic А1208 thickness gauge (hereinafter referred to as “thick-

ness gauge” or “device”).

Prior to start working with the device, please carefully read the manual.

The manufacturer continuously improves the possibilities of the device, its reliability and

comfort of operation. This may result in some minor changes, not given in the present revision of

the manual. These changes do not affect the technical speciﬁcations of the device.

The instrument is manufactured by:

ACS-Solutions GmbH

Science Park 2

66123 Saarbrucken, Germany

Phone: +49 (0) 681-96592270

Fax: +49 (0) 681-96592280

Е-mail: inf[email protected]om

Website: www.acs-international.com

Ultrasonic thickness gauge A1208

Operation Manual

ACOUSTIC

CONTROL

SYSTEMS

1.1.1 Intended use and range of application

The ultrasonic cold-resistant thickness gauge А1208 is used for measuring the thickness of pipe walls (including bends),

boilers, cylinders, vessels under pressure, covers and other products from ferrous and nonferrous metals, with smooth or

rough and corrosive surfaces, and also products from plastic and other materials with high fading of the ultrasonic sound at a

unilateral access to the surface of such products.

The device can be used in laboratories, work shops or in the ﬁeld in various industries. Prior to use the device, it is neces-

sary to perform a preliminary preparation of the surface and use a contact liquid, e.g. oil, water, glycerin, special contact liquids

or gels for ultrasonic testing.

The thickness gauge is equipped with a special patented system of automatic adaptation to the curves and surface rough-

ness of the object. This system of indication ensures equally reliable measurements in all application cases.

Thickness gauges allow to save the measurement results in the non-volatile memory.

The DataSaver soware (ON) included in the delivery kit of the device, allows to transfer data from the device storage to

an external personal computer (PC) for subsequent analysis, processing and documentation. The communication with a PC is

done using the USB port.

1.1.2 Operating conditions

The instrument is intended for operation under the following conditions:

- Operating temperature range: from -30 to +55 ˚С;

- Relative air humidity up to 85 % at +35 ˚С.

DESCRIPTION

AND

OPERATION

1.1 THE INTENDED USE

Ultrasonic thickness gauge A1208

Operation Manual

ACOUSTIC

CONTROL

SYSTEMS

1.2 TECHNICAL SPECIFICATIONS

The main technical speciﬁcations of the device are given in the Table 1.

Parameter

Value

Thickness measurement range (for steel), mm:

with the transducer S3567 2.5A0D10CL 0.8 to 300.0

Limits of the absolute permissible inaccuracy of the thickness measurement, mm, max.,

where H is the measured thickness in mm:

at thickness from 0.7 to 3.0 mm

at thickness from 3.01 to 99,99 mm

at thickness from 100.0 to 300.0 mm

±(0.01

∙

H+0.1)

±(0.01

∙

H+0.05)

±(0.01

∙

H+0.1)

Thickness indication sensitivity, mm:

at thickness up to 99.99 mm

at thickness from 100.0 mm

0.01; 0.1

0.1

Ultrasonic velocity setup range, m/s 500 to 19,999

Power Inbuilt lithium battery

Rated supply voltage, V 3.7

Battery operation time, h, min. 9

Overall dimensions of the electronic unit, mm, max. 161X70X24

Weight of the electronic unit, gr., max. 210

Mean time between failures, h 18,000

Regular service life, years 5

Table 1

Ultrasonic thickness gauge A1208

Operation Manual

ACOUSTIC

CONTROL

SYSTEMS

1.3 ARRANGEMENT AND OPERATION

1.3.1 Arrangement

The thickness gauge consists of an electronic block (Figure 1) with replaceable piezoelectric transducers. The device is

connected using cables.

The colour TFT display is located in the upper part of the indication panel of the electronic block. It is used to display the

measurement results and current information necessary to control the thickness gauge. The display enables to monitor the

measurement process visually by means of color-coded indication.

Under the display there is a pressure switch of the thickness gauge.

To perform the automatic resetup of the device and the transducer with the ultrasonic probe and to estimate the operating

capacity of the device a 5 mm thick calibration sample made of titanium with the ultrasonic speed of 6.180 km/s is placed on

the lower part of the front panel.

The ports for connection of the piezoelectric transducers are located on the upper front side of the electronic block. One of

ports is marked with a red dot (Figure 2).

On the lower front wall of the electronic block the USB Micro B socket is located. It is used to connect the USB cable with

the PC and the 200 V USB power adapter to charge the built-in device battery (Figure 3).

The USB Micro B cable shall be connected with the icon or the letter B looking down (Figure 4).

Electronic block sockets

Red point

Colour TFT display

Membrane switch

Socket USB MicroB

Calibration sample

Electronic block fastening

Figure 1

Figure 3

Figure 2 Figure 4

Ultrasonic thickness gauge A1208

Operation Manual

ACOUSTIC

CONTROL

SYSTEMS

1.3.2 Operating principle

The operating principle of the А1208 thickness gauge mainly includes the measurement of time needed for the ultrasonic

waves to pass the tested object from one surface to another and the subsequent conversion of the measured values into the

thickness parameter.

An ultrasonic transducer is used to emit the ultrasonic pulses into the TO and receive their reﬂections. The US transducer

is placed on the surface of the TO where the thickness shall be measured. The ultrasonic transducer has a sharp emitting and

receiving beam pattern, so the thickness is determined directly under the located transducer. In case there are cavities on the

surface of the TO opposite to the installed transducer, the US pulses are reﬂected from the cavities, the thickness is determined

as the shortest distance from the external surface to these cavities.

1.3.3 Operating modes

The thickness gauge can be used in the following modes:

- the measurement mode: here the measurement result is displayed in accordance with the appropriate set interval and

the response parameter of the automatic ﬂaw warning (AFW) STANDARD.

- the measurement mode: indication of the saved results i.e. MEMORY;

- the measurement mode: indication of the deviation of the measurement results from the set rated value i.e. PERMISSIBLE VALUE.

- the setup and measurement parameter selection mode: i.e. SETUP.

It is possible to save the results in the device memory in all measurement modes.

When in the STD mode, the thickness gauge measures the thickness of the TO and allows to quickly determine the appro-

priate set interval, in the percentage as well, and the response parameter of the AFW.

When in the MEMORY mode, the thickness gauge measures the thickness of the TO and allows to quickly determine the appro-

priate set interval and the response parameter of the AFW, view the measurement results saved in other modes on the display and

correct the records performing repeated measurements and recording the information into the updatable memory cells.

The SETUP mode allows to change the selected conditions and parameters of measurements. The set of the parameters

accessible to editing employs measurements common for all modes and measurements individual for each mode.

Ultrasonic thickness gauge A1208

Operation Manual

ACOUSTIC

CONTROL

SYSTEMS

Tab Operating mode

STANDARD

MEMORY

1.3.4 Display of the device

In all operating modes in the upper line of the display the information on the current operating mode of the device and the

battery charge level is indicated.

The tab icons of diﬀerent operating modes are given in the Table 2 below.

Table 2

The icons of the measurement mode are always located from le to right as follows: STANDARD – MEMORY. The active

mode icon is highlighted yellow (Figure 5).

When you enter the SETUP mode its icon will be displayed instead of the icon of the mode, from where you entered the

SETUP mode. All parameters and settings are now active and can be edited. (Figure 6).

Figure 5 Figure 6

The characters informing on the signal presence and level are always present in the STANDARD, MEMORY and PERMISSI-

BLE VALUE modes. Here you also read the information on the measurement method, units of measurement and the numerical

value of the measurement result.

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