DeFelsko ATA50C-B, ATA50T-B User manual

Full Guide v. 5.0

PosiTest AT-A

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au to matic

PosiTest AT-M

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manual

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Analysis of Test Results

Upon completion of the pull-off test, the dolly and coated surface
should be examined. In addition to pull-off force, many National
and International standards such as ASTM D4541 and ISO 4624
require the nature of the fracture to be recorded.

Glue

Coated Surface

Glue failure

(coating/glue)

Cohesive fracture:
fracture occurs within a coating
layer (same coating on dolly
face and coated surface).

Adhesive fracture:
fracture occurs at the interface
between layers (coating on
dolly face differs from surface).

Glue failure: visible separation of the glue from itself,
the coating or dolly (no coating visible on the dolly face).

Dolly Face

Dolly

Substrate

Cohesive fracture

(within a layer)

Adhesive fracture

(between layers)

Glue failures typically occur when the glue is improperly mixed or
the coated surface has not been adequately prepared (see pg.2).

The PosiTest AT-A model provides an interface to document the
nature of the fracture for each pull-off test (see pg. 11). Fracture
results are included in test reports.

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PosiTest AT-M Manual

Actuator Handle

Hose

Display

Pump Handle

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The PosiTest AT-M powers-up and displays d ashes when the

powers-down after 5 minutes of no activity.

1. Ensure the pressure relief

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Stand off

button is pressed. To preserve battery life, the instrument

Quick Guide

(1) Open pressure relief valve completely (turn counter clockwise)
(2) Connect the actuator to the dolly
(3) Close the pressure relief valve completely (turn clockwise)
(4) Zero - Press the button
(5) Pump pressure into the system until the dolly pulls

valve is completely open.
(turn counter clockwise)

USB Data Transfer /Power Port

Quick Coupling

Pump

OPEN

2. Push the actuator handle completely down into the actuator

assembly. Place the actuator over the dolly head and attach the
quick coupling to the dolly by reaching through the holes in the
actuator and lifting the coupling. Release the quick coupling when
the dolly head is completely engaged.

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PosiTest AT-M

3. Close the pressure
relief valve on the pump

completely

(turn clockwise).

As required, verify and adjust the dolly size by pressing the
button. Select the pressure units by pressing the button.

The instrument will maintain these settings even after the

button is pressed.

CLOSE

4. Zero the instrument

This prepares the instrument for the test by clearing the
display, and zeroing the instrument.

5. Prime the pump slowly until the displayed reading approaches
the priming pressure. The priming pressure is the point that the
instrument begins calculating and displaying the pull rate. It is
also the pressure at which the ability to store readings is enabled.
Priming pressures for the various dolly diameters are:

10 mm 400 psi 2.8 MPa
14 mm 200 psi 1.4 MPa

20 mm 100 psi 0.7 MPa

50 mm 50 psi 0.4 MPa

For optimum results, prior to exceeding the priming pressure,
return the pump handle to its full upright position and then
complete a single continuous stroke at the desired pull rate until
the actuator separates the dolly from the coating.

6. Open the pressure relief valve and remove the dolly from the
actuator assembly.

7. Readings may be stored into memory by pressing the
button

(memory storage for up to 200 pulls)

stored readings. Stored measurements can be accessed using
our PosiSoft 3.0 desktop software (pg. 18).

BEFORE

pumping by pressing the button.

(default setting)

. Press again to review

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PosiTest AT-A Automatic

Touch Screen Display

AC Adapter Port

(Charges batteries

and powers
instrument)

USB Port

Quick Coupling

The PosiTest AT-A powers-up when the button is pressed.
To preserve battery life, the instrument powers-down after 5
minutes of no activity. Alternatively, press and hold the

button for 5 seconds or select Power Off from the menu.

Instrument functions are menu controlled. To access the Menu,
press the button. Navigate using the multifunction keypad
or touch screen display.

Multifunction Keypad

Directional buttons are used to navigate through
menu options and adjust parameters.

Note: Some menus display on more than a
single view. Use the or buttons or swipe
the touch display to switch between views.

Access Menu / Select

Power On / Start Test / Return to Main View

Stop Test / Power-down (hold for 5 seconds)

Hose

Actuator

Handle

Actuator

Assembly

Stand off

Screen Capture: Press both buttons at any time to copy
and save an image copy of the the current display. The last 10
screen captures are stored in memory and can be accessed when
connected to a computer (see PosiSoft USB Drive pg. 15).

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Touch Screen Display

PosiTest AT-A

Use the touch screen to interact with menu options. Swipe
horizontally to navigate between views or vertically to move
between batch readings. Alternatively, the directional buttons can
be used for navigation.

Main View (shown with memory batch open)

Indicates the current view. Swipe horizontally

or use arrow keys to switch between views.

Hold Time

(pg.11)

WiFi Bluetooth USB

(Stat us icons)

(see pg.10)

Current

Reading

Battery

Pull Chart

displa ys
pressure
over time

Dolly
Size

Pull Rate

Carousel:

Limit

Pull Parameters

How to Measure

Prepare the Instrument

1. Push the actuator handle completely down into the actuator

assembly. P lace the actuator over the dolly head and attach
the quick coupling to the dolly by reaching through the holes
in the actuator and lifting the coupling. Release the quick
coupling when the dolly head is completely engaged.

2. Press the button to power-up the instrument if necessary.

3. Verify Pull Parameters (pg. 13) are set to the preferred dolly

size, pull rate, pull limit and hold time. Change if necessary.

NOTE:

If recording of test results is desired, a memory batch

must be opened prior to the test. Select New Batch from the
Memory menu (pg. 13).

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Perform the Test

4. Press the button to initiate the test.

The instrument begins building pressure (priming stage) and a
green animated arrow (up) appears on the display. When the
priming pressure is achieved the LCD starts displaying pressure
over time on the pull chart. Refer to step 5 (pg. 6) for Priming
Pressures.

Pressure build-up stops when the dolly is pulled from the

surface, the pull limit has been reached or when the button
is pressed. The maximum pressure value will blink on the display
and a red animated arrow (down) will display while the pump

retracts the actuator.

PosiTest AT-A

CAUTION:

has completed and the actuator has been fully retracted. Press the
stop button to abort the pull test at any time.

NOTE:

occurs is useful when the coating strength exceeds specified
requirements.

5. Remove the dolly from the actuator assembly.

6. Examine the dolly and surface to analyze the result (pg. 4).

Recording the Result

If a memory batch is open, the maximum pressure result is
automatically stored into memory (pg.13). Pass/fail, pull
parameters, date and time are also recorded.

The nature of the fracture (cohesive, adhesive, glue), batch and
reading notes can also be recorded. Swipe the touch screen
horizontally or use the left/right buttons to navigate to the
appropriate view and select Edit. See Memory Views (pg. 10).

All stored measurement data can be accessed using PosiSoft
solutions or the PosiTector App (pg. 18).

quick coupling and actuator assembly until the pull test

Setting a Pull Limit or stopping the test before a fracture

To avoid injury, keep fingers away from the

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Memory Views (carousel)

When a memory batch (pg. 13) is open, a carousel appears at the
top of the display. Views are represented by dots, the solid dot
indicates the current view.

Swipe horizontally to navigate between views or vertically to move
between batch readings. Alternatively, the directional buttons can
be used for navigation. Six views are available:

PosiTest AT-A

Main View Reading Summary

Reading List

Reading NoteLayer/Fracture Batch Note

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Recording the Nature of the Fracture

The cohesive and adhesive fracture visual analysis can be
recorded using the PosiTest AT-A's keypad or touch screen
display. Alternatively, the information can be reported using the
PosiTector App (pg. 18).

Fractures are visually estimated and recorded as a percent of
each. The two layer example below illustrates a cohesive fracture
within coating layer 1 and layer 2 (visually estimated at 50% each).
Recorded results are included in reports.

Dolly Face Coated Surface

PosiTest AT-A

Layer 2

The PosiTest AT-A can record fracture information for up to five
layers.

Cohesive and adhesive fractures are identified as follows:

Layer 2: 50% Cohesive (C)

Layer 1

Layer 1: 50% Cohesive (B)

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PosiTest AT-A

Select Edit to set the number of layers
and cohesive/adhesive fracture details.
Use the buttons to adjust.

Examples:

100% cohesive fracture at D/E coating interface (layer 3/layer 4)

70% cohesive failure within layer 1; 30% cohesive within layer 2

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PosiTest AT-A

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Memory Menu

The PosiTest AT-A stores 100,000 readings in up to 1,000 batches
Stored measurements can be reviewed on-screen or accessed vi
computers, tablets and smart phones.

New Batch

Closes any currently opened batch and creates a new memor
batch, named using the lowest available number (example: B2
New batches are date stamped when they are created.

Open

Selects a previously created batch to open and make current.

Close

Stops the recording process, closes the current batch, and
removes batch information from the display.

Delete

Removes a batch and associated measurements from memory.

NOTE:

instruction manual at:

For further details on memory options, refer to the full

Setup Menu

Pull Parameters

Select desired parameter using the buttons or touch
screen. Use the and buttons to adjust.

Dolly Size: Select the dolly size being utilized for the test (10,
14, 20 or 50 mm)

Rate: User selectable pull rate (unit/sec). Specified rate is
maintained for the duration of the test.

Limit: Pressure will build-up until the set Limit is reached or th
dolly is pulled from the surface, whichever occurs first. By defaul
the instrument will pull to maximum for selected dolly size (se
Technical Specifications pg. 16).

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PosiTest AT-A

Hold Time:

(up to 60 seconds)

pressure is maintained

(held) at defined Limit.

Hold Time is

displayed on
the pull chart
(shaded area).

Default: 0 seconds.

Defined

Hold Time

Orientation

Rotates display between landscape (default) or portrait views.
Ideal for use in horizontal or vertical positions.

Units

Converts the display from psi, MPa, N/mm2or Newtons (unit of
force). Existing measurements in memory are not converted.
Switching units closes Memory.

Gage Info

Displays the model number & serial number, PosiSoft.net
registration key, the amount of remaining memory for storage of
readings, date and time, and software packages.

For security purposes, the registration key is required to add the
Gage to your PosiSoft.net account (pg. 14).

Reset

Restores factory settings and returns the instrument to a known
condition. The following occurs:

- All batches, stored readings, notes, batch names and screen
captures are erased.

- Menu settings are returned to the following:

Memory = OFF
Pull Parameters = default
Orientation = Landscape

Bluetooth = ON
WiFi = OFF
USB Drive = ON

Units = psi
Backlight = Sun

Language = English

NOTE:

Date, Time and WiFi are not affected by a Reset.

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Connect Menu

PosiTest AT-A

PosiSoft.net

Select Sync Now to immediately synchronize stored
measurement data via USB or WiFi to PosiSoft.net (pg.14).
PosiSoft Desktop Manager and an internet connection are
required when using USB.

The instrument automatically attempts synchronization with
PosiSoft.net when initially connected via USB to a PC running
PosiSoft Desktop Manager.

NOTE:

connected are synchronized only when the USB cable is
disconnected, then reconnected or when the Sync Now option is
selected.

The instrument uses a USB mass storage device which provides a
simple interface to retrieve data in a manner similar to USB flash
drives, cameras or digital audio players.

When checked, any computer can view readings stored in memory
by navigating a virtual drive labeled “PosiTest” using the included
USB cable.

A formatted HTML report is viewed by selecting the "index.html" or
“START_HERE.html” file found in the root directory. Optionally, text
".txt" files located in each batch folder provide access to
measurement values. Stored readings and graphs can be viewed
or copied using universal PC/Mac web browsers or file explorers.

The last 10 screen captures (pg. 7) stored in memory can be
accessed by navigating to the “screen_capture” directory.

When your PosiTest AT-A is first connected to your Windows PC
via a USB cable, an enumeration process is started that installs
device drivers without re-booting your computer. You may see
several pop-up windows in the taskbar at the bottom right of your
screen. Wait for the entire process to be completed before
proceeding.

Additional measur ements added to memory while

USB Drive

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PosiTest AT-

A

Bluetooth Smart

Allows communication with a smart device running the PosiTecto
App (pg .18) via wireless techno logy. No pairin
required. When connected, measurement data is automatical
transfered. Select Send Batch to manually transfer batche
(useful when switching between smart devices).

WiFi

WiFi technology wirelessly communicates with PosiSoft.ne
downloads software updates, and provides access the PosiTes
AT-A’s stored measurement data using standard web browsers.

On/Off : Turns WiFi functionality On. Press it again t
deactivate WiFi.

Networks: Available networks detected by the instrument ar
listed on the screen along with any networks that have previousl
been connected to that are not currently within connection range

If the network is secure, the password must be entered (if unknown
contact the Network Administrator). Use the QWERTY keyboard t
enter the password, then press OK. Select Connect to establish th
WiFi connection. When connected the icon will appear on th
display.

Information: Displays information about the local WiFi networ
connection including...

-SSID: the network’s name

-State: displays if the Gage is connected to the network or not

-IP Address: the IP Address provided by the network

-IP Settings: allows manual entry of network information

Any WiFi enabled device connected to the same network can view th
PosiTest AT-A’s built-in mass storage drive. Using your device’s we
browser, enter the IP address of your PosiTest AT-A to access th
drive.

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Accessing Stored Measurement Data

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PosiSoft solutions for viewing, analyzing and reporting data:

PosiTest AT (all models)

PosiSoft 3.0 - Desktop software for downloading, viewing

printing and storing measurement data.

Customizable reporting tools allow you to add pictures an
screen captures, notes and annotations, add or remove section
(drag and drop), change headings and more. Save your custom
layouts as templates for future use.

PosiTest AT-A

In addition to PosiSoft 3.0, the PosiTest AT-A is also compatible
with the following solutions...

PosiSoft USB Drive - connect to a PC/Mac using the supplie
USB cable to access and print stored readings, graphs, note
and screen captures. No software or internet connectio
required. USB Drive must be selected. (see pg.15)

PosiSoft.net - a free web-based application offering secur
centralized storage of instrument readings. Access your dat
from any web connected device. Go to:

PosiTector App - Wirelessly transfer measurement data to you
Apple iOS o r Android smart device. Create, customize an
share professional PDF rep ort s quickly and easily. Ad
notes, images, nature of the frature and m ore. Th
Pos iTector App is available on the iTunes App Store an
Google Play.

For more information on the PosiSoft suite of software, visit:

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Power Supply / Charging

PosiTest AT-M (manual)

Power Source: Built-in rechargeable NiMH battery**

The built-in rechargeable NiMH batteries are charged using the
included USB AC power supply/charger. Ensure batteries are
charged prior to use. The battery icon will blink while the
instrument is charging and disappear when fully charged. The
charging process will take up to 14 hours depending on remaining
battery power.

Alternatively, the AC power supply or any computer USB port can
be used to power and charge the instrument.

**Do not attempt to remove or replace the PosiTest AT-M internal NiMH
battery pack. In the unlikely event power issues are experienced,
please contact our technical support for assistance.

PosiTest AT-A (automatic)

Power Source: Built-in rechargeable NiMH battery

The built-in rechargeable NiMH batteries are charged using the
included AC power supply/charger. Ensure batteries are charged
prior to use. The USB port will not charge or power the PosiTest
AT-A.

The charging process will take 2-3 hours depending on remaining
battery power. Alternatively, the AC power supply can be used to
power the instrument.

~60 hours continuous with full charge

>200 pulls with full charge

The icon will display while the instrument is charging.

When fully charged the icon will appear.

NOTE:

replaceable. In the unlikely event power issues are experienced,
please contact our technical support or your local dealer for OEM
battery pricing, availability and detailed replacement instructions.

The PosiTest AT-A internal NiMH battery pack is user

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Returni ng for Servic e

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Returning fo r Servic e

There are no user serviceable components. Any service must b
performed by DeFelsko Corporation.

If you need to return the instrument for service, describe th
problem fully and include reading results, if any. Be sure to includ
contact information including your company name, compan
contact, telephone number and fax number or email address.

Website:

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