DeFelsko PosiTector 200 Bedienungsanleitung

Instruction Manual v. 3.1

Ultrasonic Coating Thickness Gage

Standard

and

Advanced

Table of Contents

Introduction ......................................................... 4

Quick Start .......................................................... 4

Certification ......................................................... 5

Probes ................................................................. 7

How to Measure .................................................. 8

Calibration, Verification and Adjustment ............. 9

Menu Operation .................................................. 10

Cal Settings Menu ............................................... 11

Zero ................................................................ 11

Set Range ...................................................... 11

Thickness ....................................................... 12

Polyurea ......................................................... 12

Cal Lock ......................................................... 12

Cal Reset ....................................................... 12

Setup Menu ......................................................... 13

Reset .............................................................. 13

age Info ....................................................... 14

raphics ......................................................... 14

Layers ............................................................ 16

Memory Management ......................................... 18

Standard Models Menu .................................. 18

Advanced Models Menu ................................ 19

Annotate ......................................................... 20

Display ........................................................... 21

Summaries ..................................................... 22

Screen Capture .............................................. 22

Accessing Stored Measurement Data ................ 23

PosiSoft Desktop............................................ 23

PosiSoft.net .................................................... 23

PosiSoft App.... .............................................. 23

Connect Menu ..................................................... 24

WiFi ................................................................ 24

USB Drive ...................................................... 26

Sync Now ....................................................... 27

Auto Sync ....................................................... 27

Bluetooth Smart.............................................. 27

Bluetooth ........................................................ 28

Updates .......................................................... 29

Application Notes ................................................ 30

Measuring on rough surfaces ........................ 30

Measuring on dense (hard) surfaces ............. 31

Measuring total thickness (multi-layers applications) ..... 31

Troubleshooting - eneral................................... 31

age does not turn on ................................... 31

age powers up but fails to stay on .............. 31

age readings are lower than expected ........ 31

age readings are higher than expected ...... 32

age does not yield accurate or consistent results ...... 32

age displays an error message ................... 32

age displays dashed line “----” .................... 32

and emits low-tone buzz ...................... 32

Power Supply / Battery Indicator ........................ 33

Technical Data .................................................... 34

Probe Details & Specifications........................ 34

Operating Temperature Range....................... 34

Size / Weight.................................................. 34

Returning For Service ......................................... 35

Warranty .............................................................. 35

Introduction

PosiTector 200 Kit Contents

- PosiTector body (St nd rd or Adv nced)

- PosiTector probe (200 B, C or D)

- Protective rubber cap for Probe

- Protective lens shield

- Wrist strap

- 3 AAA alkaline batteries

- Quick uide instruction booklet

- Protective rubber holster

- Nylon carrying case with shoulder strap

- Belt clip for rubber holster and carrying case

- USB Cable

- 4 ounce (118 ml) bottle ultrasonic couplant

- Precision Plastic Shims

- 2500 microns (100 mils) Polystyrene Block (C & D Probe only)

- Certificate of Calibration traceable to NIST

- PosiSoft.net account

- Two (2) year warranty on Body and Probe

The PosiTec or 200 is a hand-held Coating Thickness age that

uses a non-destructive ultrasonic principle to measure coating

thickness on a wide variety of substrates. It consists of a body

(Standard or Advanced) and a probe (see Probes pg. 7).

The PosiTector 200 powers-up when the center navigation button

is pressed. To preserve battery life, the age powers down

after approximately 5 minutes of no activity. All settings are

retained.

1. Remove the protective rubber cap from the probe.

2. Power-up age by pressing the center navigation button.

3. Zero the probe. (see pg. 11)

4. Adjust to a known thickness, if necessary. (see pg. 12)

5. Measure the part. (see pg. 8)

Quick Start

Certification

All PosiTector 200 probes include a Certificate of Calibration. For

organizations with re-certification requirements, instruments may

be returned at regular intervals for calibration.

DeFelsko recommends that customers establish calibration

intervals based upon their own experience and work environment.

Based on our product knowledge, data and customer feedback, a

one year calibration interval from either the date of calibration, date

of purchase, or date of receipt is a typical starting point.

Wrist Strap

We recommend attaching and wearing the

supplied wrist strap.

Protective Lens Shield

The LCD is covered with a thin plastic film for protection against

fingerprints and other marks during shipment. This film, while

usually removed before using the age, can be left in place to

protect against paint overspray or debris. Replacements can be

purchased.

Protective Cap

PosiTector 200 gages ship with a protective rubber cap over the

probe. Remove this cap prior to use. Replace it when the age is

not in use to protect the probe.

Couplant

Couplant is required to propagate ultrasound into the coating.

Water is a good couplant for smooth coatings. Use the supplied

glycol gel for rougher coatings. While it is unlikely that the

couplant will damage the finish or leave a stain on the surface, we

suggest testing the surface by using the couplant on a sample. If

testing indicates that staining has occurred, a small amount of

water can be used instead of couplant. Consult the Material Safety

Data Sheet available on our website and your coating supplier if

you suspect the couplant may damage the coating. Other liquids

such as liquid soap may also be used.

Typical Display

Current

Measurement

Unit of

Measurement

thou/mils

Battery

Icon

Factory Calibration

settings in use.

USB Port

LCD

Display

Probe

Connector

PosiTector Body

200 B probe

200 C probe

200 D probe

2.1

Probes

To disconnect a probe from a body, power-down the

age and slide the plastic probe connector horizontally

(in the direction of the arrow) away from the body.

Reverse these steps to attach a new probe.

When powered-up the PosiTector automatically

determines what type of probe is attached and does a

self-check.

Additionally, the PosiTec or accepts a number of probe types

including magnetic and eddy current coating thickness, surface

profile, environmental and ultrasonic wall thickness probes.

Perform the latest software Updates (pg. 32) to ensure probe

compatibility with your age. For the latest information on probe

interchangeability see www.defelsko.com/probes

PosiTec or 200 probes are available for measuring a

wide variety of coating thickness applications.

B probe - 13 to 1000 microns (0.5 to 40 mils)

Ideal for polymer coatings on wood, plastic, composites, etc.

C probe - 50 to 3800 microns (2 to 150 mils)

Ideal for thicker coatings on concrete, fiberglass, etc.

D probe - 50 to 5000 microns (2 to 200 mils) - Polyurea

- 50 to 7600 microns (2 to 300 mils) - Other Coatings

Ideal for thick or soft (attenuative) coatings

R nge limits pply to polymer co tings only.

NOTE:

The PosiTec or 200 probe emits a high frequency sound pulse

that travels into the coating via a coupling gel and reflects from

ANY surface that is different in density. Coating thickness readings

are obtained by measuring the time taken for the ultrasonic signal

to propagate from the probe to the coating/substrate interface and

back. The travel time is divided by two and multiplied by the

velocity of sound in the coating to obtain the thickness of the

coating.

Ultrasonic Thickness

Theory of Operation

Couplant

Probe

Coating 1

Substrate

Coating 2

The PosiTec or 200

interprets the largest

“echo” within the

selected range as the

coating/coating or

coating/substrate echo.

How to Measure

1. Remove the protective rubber cap from probe.

2. Power-up age by pressing the center navigation

button.

3. Apply couplant (see pg. 5) to the surface of

the part.

4. Place the probe FLAT on the surface and

press down.

5. Lift the probe when you hear a double BEEP,

- OR - leave probe on the surface in the same location for

continuous measurements.

6. When completely finished, wipe the probe clean of couplant

then return the age to the protective pouch. There is no need

to disconnect the probe from the PosiTec or during storage.

Calibration, Verification and Adjustment

Three steps ensure best accuracy…

1.Calibration - typically done by the manufacturer. All probes

include a Certificate of Calibration.

2.Verification of Accuracy - typically done by the user on known

reference standards such as plastic shims or coated thickness

standards.

3.Adjustment - to a known thickness

Calibration

Calibration is the high-level, controlled and documented process

of measuring traceable calibration standards over the full

operating range of the probe, and verifying that the results are

within the stated accuracy of the probe. Calibrations are

performed by the manufacturer, their authorized agent, or by an

accredited calibration laboratory in a controlled environment using

a documented process.

Verification

Verification is an accuracy check performed by the user on known

reference standards. A successful verification requires the age

to read within the combined accuracy of the probe and the

reference standards.

Adjustment

Adjustment, or Cal Adjustment, is the physical act of aligning the

probe’s thickness readings to match those of a known thickness

sample (removal of bias) in order to improve the accuracy of the

probe on a specific coating. See Thickness pg. 12.

Menu Operation

age functions are menu controlled. To access the Menu,

power-up the age, then press the center navigation button.

Below is a sample menu for a PosiTector 200 Advanced model:

Memory

Cal Settings

Setup

Connect

Help

Power Off

Exit

Some buttons have a tick box to their

right to indicate current status. An empty

box indicates that feature is not active.

Current selection is displayed

with darkened background

Down

Center

To navigate, use the Up and Down buttons to

scroll and to SELECT.

Select Exit to exit from any menu.

Navigation Button

Sync Now

USB Drive

Auto SYNC

Bluetooth

WiFi

Updates

Exit

The center button is purposely recessed to help

eliminate unintentional powering-up of the age.

NOTE:

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