Elcometer 456 Manuel utilisateur
User Guide
Elcometer 456
Scan Probes
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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.
© Elcometer Limited 2008 - 2018. All rights reserved. No part of this document may be reproduced, transmitted,
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.
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Section
Page
1
Overview
en-2
2
Calibration Using a Scan Probe
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3
Technical Specification
en-4
4
Spares
en-5
5
Important Information
en-5
CONTENTS
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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’,
a
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
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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).
b
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.
c
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”
b
OR “AUTO REPEAT” MODE :
1 Press the Cal softkey and select
“Cal Method”.
2 Select “Smooth” or “Rough /
d
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
e
probe and cap combination at the end of the calibration routine.
1
2
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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
f
±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")
g
F : 4mm (0.16")
g
N : 6mm (0.24")
T456CF2U
Ferrous Scale 2
89mm (3.50")
4mm (0.16")
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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
h
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).
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TMA-0568 Issue 04 - Text with cover 23959
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Guide d'utilisation
Elcometer 456
Sondes Scan
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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.
© Elcometer Limited 2008 - 2018. Tous droits réservés. Aucune partie de ce document ne peut être reproduite,
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.
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Section
Page
1
Présentation
en-2
2
Calibrer avec une sonde scan
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Caractéristiques techniques
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4
Pièces de rechange
en-5
5
Information importante
en-5
SOMMAIRE
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13
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