Elcometer 456 Manuel utilisateur

User Guide

Elcometer 456

Scan Probes

www.elcometer.com

en-1

For the avoidance of doubt, please refer to the original English language version.

This product is packed in a cardboard package. Please ensure that all packaging is disposed of in an

environmentally sensitive manner. Consult your local Environmental Authority for further guidance.

is a registered trademark of Elcometer Limited, Edge Lane, Manchester, M43 6BU. United Kingdom

All other trademarks acknowledged.

transcribed, stored (in a retrieval system or otherwise) or translated into any language, in any form or by any

means (electronic, mechanical, magnetic, optical, manual or otherwise) without the prior written permission of

Elcometer Limited.

Section

Page

Overview

en-2

Calibration Using a Scan Probe

en-3

Technical Specification

en-4

Spares

en-5

Important Information

en-5

CONTENTS

www.elcometer.com en-2

Elcometer 456 Scan Probes have been specifically designed for use

with the “Scan” and “Auto Repeat” modes on Elcometer 456 Model T

separate gauges. They are supplied with a highly durable ‘snap on’,

user replaceable, probe cap - allowing users to take individual

readings or rapidly scan large surface areas without damaging the

probe or the coating.

Scan Mode: When Scan Mode is selected,

users can slide the Scan Probe over the

entire surface area. As the probe is lifted

off the surface the gauge displays the

average coating thickness value (x)

together with the highest (Hi) and lowest

(Lo) thickness values. Each set of three

readings can be displayed on a run graph

and stored into the memory. This is ideal for

on line inspection.

Auto Repeat Mode: When the probe is

placed onto the coated substrate in Auto

Repeat Mode, the gauge automatically

takes readings at a rate of 140 per minute

until the probe is removed from the

substrate. Each individual reading is

stored into the memory. The Auto Repeat

Mode can be used to significantly speed

up the inspection of large coated areas

such as steel I-beams (RSJ’s), tanks, ship

hulls, etc.

Note: “Scan Mode with Hold” allows the probe to be lifted off the surface for a

maximum of 1.5 seconds and replaced without starting a new set of readings -

allowing the user to avoid holes, weld seams, etc. in the substrate without

affecting the measurement results.

1 OVERVIEW

a Replacement probe caps are available - see Section 4 “Spares” on page en-5 for details.

Hi, x & Lo

1, 2, .......n

www.elcometer.com

en-3

2 CALIBRATION USING A SCAN PROBE

b To select the measurement mode go to Menu/Setup/Measurement Mode.

c The Scale 2 probe is supplied with a 3mm (120mils) and 1mm (40mils) foil which can be used to make a

4mm (160mils) foil.

d If an alternative calibration method has been selected, the gauge will prompt the user to select either

“Smooth” or “Rough / 2 Point”.

e Probe caps have a nominal thickness of 500µm (20mils).

When using a Scan Probe in “Scan” or “Auto Repeat” mode , the

probe cap must be fitted to avoid damage to the probe tip and the

gauge can only be calibrated using either the “Smooth” or “Rough /

2 Point” calibration methods.

Scale 1: For “Smooth” calibration a 1500µm (60mils) nominal foil and

uncoated base / zero plate is required. For “Rough / 2 Point” a 50µm

(2mil) nominal foil is also required.

Scale 2: For “Smooth” calibration a 4mm (160mils) nominal foil and

uncoated base / zero plate is required. For “Rough / 2 Point” a 50µm

(2mils) nominal foil is also required.

2.1 CONNECTING THE SCAN PROBE

1 Rotate the probe plug to align the

pins.

2 Screw in the collar - clockwise.

2.2 CALIBRATING WHEN IN “SCAN”

OR “AUTO REPEAT” MODE :

1 Press the Cal softkey and select

“Cal Method”.

2 Select “Smooth” or “Rough /

2 Point” followed by “Calibrate” .

3 Follow the on screen instructions.

In order to avoid probe tip damage during “Scan” or “Auto Repeat”

mode, a probe cap must be fitted. During the calibration procedure if,

when asked by the gauge, no cap is to be used, the gauge will

automatically revert to “Standard” measurement mode.

Scan Probes use the Elcometer 456's patented offset feature ensuring

that any cap wear during use is incorporated within the calibration

procedure, displaying the maximum coating thickness range of the

probe and cap combination at the end of the calibration routine.

www.elcometer.com en-4

3 TECHNICAL SPECIFICATION

Range

Scale 1

100 - 1000µm (4 - 40mils)

Scale 2

0.1 - 4.5mm (4 - 180mils)

Resolution

Scale 1

1µm (0.1mil)

Scale 2

1μm: 0 - 1mm; 10μm: 1 - 5mm

(0.1mil: 0 - 50mils; 1mil: 50 - 200mils)

Accuracy

Scale 1

±3% or ±2.5µm (±0.1mil)f

Scale 2

±1-3% or ±0.02mm (±1mil)

f Whichever is the greater. When calibrated using a sample of the uncoated base.

gF: FNF probe in F mode; N: FNF probe in N mode .

Part Number

Probe Design

Minimum

Headroom

Minimum

Sample Diameter

T456CF1U

Ferrous Scale 1

86mm (3.38")

15mm (0.59")

T456CF1UARM

Ferrous Scale 1 -

Armoured Cable

140mm (5.51")

15mm (0.59")

T456CFNF1U

Dual FNF Scale 1

89mm (3.50")

15mm (0.59")

T456CF2U

Ferrous Scale 2

90mm (3.54")

15mm (0.59")

3.1 PROBE CAP FITTED

3.2 WITHOUT PROBE CAP

Range

Scale 1

0 - 1500µm (0 - 60mils)

Scale 2

0 - 5mm (0 - 200mils)

Resolution

Scale 1

1µm (0.1mil)

Scale 2

1μm: 0 - 1mm; 10μm: 1 - 5mm

(0.1mil: 0 - 50mils; 1mil: 50 - 200mils)

Accuracy

Scale 1

±1-3% or ±2.5µm (±0.1mil)f

Scale 2

±1-3% or ±2.5µm (±0.1mil)f

Part Number

Probe Design

Minimum

Headroom

Minimum

Sample Diameter

T456CF1U

Ferrous Scale 1

85mm (3.35")

4mm (0.16")

T456CF1UARM

Ferrous Scale 1 -

Armoured Cable

139mm (5.47")

4mm (0.16")

T456CFNF1U

Dual FNF Scale 1

88mm (3.46")

F : 4mm (0.16")

N : 6mm (0.24")

T456CF2U

Ferrous Scale 2

89mm (3.50")

4mm (0.16")

www.elcometer.com

en-5

4 SPARES

Probe caps wear over time and the gauge will inform the user during

the calibration procedure if the cap needs replacing . When tested

using smooth surfaces, probe caps have been scanned in excess of

50km (30 miles). Replacement caps are available to purchase from

Elcometer or your local supplier.

Description Part Number

Scan Probe Caps (3 per pack) T456C23956

Foil Set; Scale 1; 0 - 1500µm (0 - 60mils) T99022255-1

Foil Set; Scale 1; 0 - 1500µm (0 - 60mils) - Certified T99022255-1C

Foil Set; Scale 2; 0 - 5mm (0 - 200mils) T99022255-2

Foil Set; Scale 2; 0 - 5mm (0 - 200mils) - Certified T99022255-2C

Ferrous Zero Test Plate, 1% T9994910-

Non-Ferrous Zero Test Plate, 1% T9994911-

h When the cap thickness falls below 200µm (8mils).

5 IMPORTANT INFORMATION

“Scan” and “Auto Repeat” modes are only available on Elcometer 456

Model T separate gauges. The probe cap must be fitted to the Scan

Probe when used in these modes to avoid damage to the probe tip.

Use in these modes without the cap will invalidate the probe warranty.

Scan Probes can be used in “Standard” mode - with or without the

probe cap fitted - when connected to any Elcometer 456 separate

gauge.

When fitted with the probe cap, Scan Probes are not recommended for

use on coating thicknesses below 100µm (4mils).

www.elcometer.com en-6

TMA-0568 Issue 04 - Text with cover 23959

Guide d'utilisation

Elcometer 456

Sondes Scan

www.elcometer.com

fr-1

En cas de doute, merci de vous référer à la version originale anglaise de ce manuel.

Ce produit est livré dans un emballage en carton. Merci d'éliminer tous les emballages de manière écologique.

Contactez la déchèterie de votre localité pour plus d'informations sur le recyclage.

est une marque déposée d'Elcometer Limited, Edge Lane, Manchester, M43 6BU. Royaume Uni.

All other trademarks acknowledged.

transmise, transcrite, stockée (dans un système documentaire ou autre) ou traduite dans quelque langue que ce

soit, sous quelque forme que ce soit ou par n'importe quel moyen (électronique, mécanique, magnétique, optique,

manuel ou autre) sans la permission écrite préalable d’Elcometer Limited.

Section

Page

Présentation

en-2

Calibrer avec une sonde scan

en-3

Caractéristiques techniques

en-4

Pièces de rechange

en-5

Information importante

en-5

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