Elcometer AVU User manual
User Guide
Elcometer AVU
Adhesion Verification Unit
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1
Overview
6
After Test
2
Box Contents
7
Dolly Adaptors
3
Getting Started
8
Technical Specification
4
Performing the Test
9
Recommended Test Pressures &
5
Assessing the Results
Acceptable Ranges
CONTENTS
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For the avoidance of doubt, please refer to the original English language version.
This product meets the Electromagnetic Compatibility Directive. The product is Class B, Group 1 ISM equipment according to CISPR 11. Group 1 ISM
product: A product in which there is intentionally generated and/or used conductively coupled radio-frequency energy which is necessary for the internal
functioning of the equipment itself. Class B product are suitable for use in domestic establishments and in establishments directly connected to a low
voltage power supply network which supplies buildings used for domestic purposes.
is a registered trademark of Elcometer Limited, Edge Lane, Manchester, M43 6BU. United Kingdom
All other trademarks acknowledged.
Dimensions: 165 x 155 x 105mm (6.5 x 6.1 x 4.1")
Weight: 3kg (6.6lbs)
© Elcometer Limited 2013. 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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TMA-0569 Issue 02 - Text with cover 23966
1 OVERVIEW
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†
1 Dolly Adaptor
2 LCD Display
3 Softkeys
4 Battery Life Indicator
5 Adhesion Reading
6 ‘Max Hold’ Key
7 Units of Measurement
(MPA or PSI)
8 On/Off Key
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<
Elcometer Adhesion Verification Unit (AVU)
<
Elcometer 506 Dolly Adaptor for 20 & 14.2mm Skirt
<
2 x AA Batteries
<
Test Certificate
<
Carry Case
<
User Guide
2 BOX CONTENTS
3 GETTING STARTED
To switch the gauge on, press and hold the “On/Off” ( ) key.
The gauge has an integrated backlight which will timeout after 30 seconds of inactivity.
The unit will switch off automatically after 5 minutes of inactivity.
4
5
6
7
8
1
† The Elcometer AVU is supplied with an Elcometer 506 20mm dolly adaptor fitted. Dolly adaptors for other adhesion gauges from Elcometer and other
manufacturers, are available as optional accessories - see Section 7 “Dolly Adaptors” on page 6 for details.
4 PERFORMING THE TEST
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The Elcometer AVU is designed to provide users with a method of verifying the performance of their
†
pull-off adhesion gauges .
The performance of an adhesion gauge should be verified at a number of test pressures. Refer to
Section 9 on page 7 for recommended test pressures for Elcometer pull-off adhesion gauges based on
our certification procedures. For other manufacturers’ gauges, refer to the manufacturers’ specification.
1 Press and hold the “On/Off” ( ) key to switch on the
Elcometer AVU.
†
2 Fit the appropriate dolly adaptor - screwing clockwise to
tighten into position. The reading on the Elcometer AVU
display should be zero.
Note: Do not overtighten as this will apply pressure and result in
inaccurate readings.
3 Connect the adhesion gauge or actuator to the dolly adaptor
(Elcometer 506 actuator shown).
4 “MAX” should be displayed on the Elcometer AVU LCD to
indicate that ‘Max Hold’ is switched on. ‘Max Hold’ holds the
Elcometer AVU reading when the required test pressure has
been reached on the adhesion gauge. Press the “MAX”
softkey to switch ‘Max Hold’ on and off.
Note: The display will hold the maximum value until the ‘MAX’ softkey is
pressed again.
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2
† The Elcometer AVU is supplied with an Elcometer 506 20mm dolly adaptor fitted. Dolly adaptors for other adhesion gauges from Elcometer and other
manufacturers, are available as optional accessories - see Section 7 “Dolly Adaptors” on page 6 for details.
4 PERFORMING THE TEST (continued)
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5 Apply pressure until the required test pressure is reached on the adhesion gauge and compare the
adhesion gauge’s reading with the reading on the Elcometer AVU display - see Section 5 “Assessing
the Results” on page 5.
6 To switch between measurement units, press the “MPa/psi” softkey.
The Elcometer AVU will provide adhesion readings for 20mm dollies irrespective of which dolly adaptor is
fitted - see below for additional information.
ELCOMETER 506 DOLLY ADAPTOR FOR 50MM ACTUATOR SKIRT (Part Number: T99923936)
When using the Elcometer 506 Analogue Adhesion Tester with 50mm dolly adaptor, the reading on the
Elcometer AVU display should be compared with the reading on the 20mm scale of the Elcometer 506
analogue pressure gauge.
When using the Elcometer 506 Digital Adhesion Tester with 50mm dolly adaptor, the dolly size should be
set to 20mm before test - refer to the Elcometer 506 User Guide for instructions on how to select the
20mm dolly size.
ELCOMETER 106 SCALE 6 DOLLY ADAPTOR (Part Number: T99923938)
When testing the Elcometer 106 Pull-Off Adhesion Tester with the Scale 6 dolly adaptor, the Elcometer
AVU reading should be multiplied by a conversion factor of 6.4516 before comparing with the adhesion
gauge reading.
For other manufacturers’ gauges, please refer to the manufacturers’ instructions for adhesion readings
using 20mm dollies.
6 AFTER TEST
Adhesion gauges should be tested at a number of pressure / adhesion values across the their
measurement range - see Section 9 on page 7 for recommended test pressures for Elcometer pull-of f
adhesion gauges.
When comparing the adhesion gauge reading with the Elcometer AVU reading, the user should refer to
the adhesion gauge’s accuracy statement. This is usually quoted in the operating instructions or
technical data sheet.
The adhesion gauge can be stated as performing within specification if the Elcometer AVU adhesion
reading is within the stated accuracy of the adhesion gauge. If outside specification, re-calibration is
recommended - contact Elcometer or your local supplier for further information.
The Elcometer AVU can be used to re-certify adhesion gauges if it has a current and valid calibration
certificate, dated within 12 months of test. This provides users with a Calibration Certificate which is
traceable through the certification of the Elcometer AVU unit in accordance with Elcometer’s procedures.
The Elcometer AVU is supplied with a Test Certificate as standard and is also available with an optional
Calibration Certificate. To certify or re-certify the Elcometer AVU, contact Elcometer or your local
supplier.
5 ASSESSING THE RESULTS
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1 Release all pressure from the adhesion gauge.
2 Detach the adhesion gauge or actuator from the dolly adaptor.
3 Press the “MAX” softkey to release the ‘Max Hold’.
7 DOLLY ADAPTORS
#
Dolly adaptors are available for testing Elcometer 106 and 506 pull-off adhesion gauges. Adaptors
are also available for testing other manufacturers’ gauges.
Description Part Number
Elcometer 506 Dolly Adaptor: 20 & 14.2mm Skirts T99923935
Elcometer 506 Dolly Adaptor: 50mm Skirt T99923936
#
Elcometer 106 Dolly Adaptor: Scales 1 to 4 T99923937
#
Elcometer 106 Dolly Adaptor: Scale 6 T99923938
AT-M & AT-A Adhesion Gauge Dolly Adaptor T99923939
PAT Adhesion Gauge Dolly Adaptor T99923986
Range
0 - 30MPa (0 - 4000psi)
Resolution
±0.01MPa (1psi)
Accuracy
±0.33% of full scale
Power Supply
2 x AA alkaline dry batteries (rechargeable batteries can be used)
Dimensions
165 x 155 x 105mm (6.5 x 6.1 x 4.1")
Weight
3kg (6.6lbs)
8 TECHNICAL SPECIFICATION
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# The Elcometer AVU is not suitable for verifying the accuracy of the Elcometer 106 Scale 5 due to its scale range.
9 RECOMMENDED TEST PRESSURES & ACCEPTABLE RANGES
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ELCOMETER 506 ANALOGUE GAUGES (Accuracy: ±1% of full scale)
Megapascals (MPa)
Pounds Per Square Inch (psi)
Gauge
Pressure
Elcometer AVU
Acceptable Range
Gauge
Pressure
Elcometer AVU
Acceptable Range
Gauge
Pressure
Elcometer AVU
Acceptable Range
Gauge
Pressure
Elcometer AVU
Acceptable Range
3.0
2.74 - 3.26
18.0
17.74 - 18.26
500
462 - 538
2000
1962 - 2038
8.0
7.74 - 8.26
23.0
22.74 - 23.26
1000
962 - 1038
2500
2462 - 2538
13.0
12.74 - 13.26
1500
1462 - 1538
3000
2962 - 3038
ELCOMETER 506 DIGITAL GAUGES (Accuracy: ±1% of full scale)
Megapascals (MPa)
Pounds Per Square Inch (psi)
Gauge
Pressure
Elcometer AVU
Acceptable Range
Gauge
Pressure
Elcometer AVU
Acceptable Range
Gauge
Pressure
Elcometer AVU
Acceptable Range
Gauge
Pressure
Elcometer AVU
Acceptable Range
2.0
1.74 - 3.26
15.0
14.74 - 15.26
500
462 - 538
2000
1962 - 2038
5.0
4.74 - 5.26
20.0
19.74 - 20.26
1000
962 - 1038
2500
2462 - 2538
10.0
9.74 - 10.26
25.0
24.74 - 25.26
1500
1462 - 1538
3000
2962 - 3038
ELCOMETER 106 SCALE 1 (Accuracy: ±15% of the reading)
Megapascals (MPa)
Pounds Per Square Inch (psi)
Gauge
Pressure
Elcometer AVU
Acceptable Range
Gauge
Pressure
Elcometer AVU
Acceptable Range
Gauge
Pressure
Elcometer AVU
Acceptable Range
Gauge
Pressure
Elcometer AVU
Acceptable Range
0.5
0.43 - 0.58
2.5
2.13 - 2.88
100
85 - 115
400
340 - 460
1.0
0.85 - 1.15
3.0
2.55 - 3.45
200
170 - 230
500
425 - 575
1.5
1.28 - 1.73
3.5
2.98 - 4.03
300
255 - 345
2.0
1.70 - 2.30
ELCOMETER 106 SCALE 2 (Accuracy: ±15% of the reading)
Megapascals (MPa)
Pounds Per Square Inch (psi)
Gauge
Pressure
Elcometer AVU
Acceptable Range
Gauge
Pressure
Elcometer AVU
Acceptable Range
Gauge
Pressure
Elcometer AVU
Acceptable Range
Gauge
Pressure
Elcometer AVU
Acceptable Range
1.0
0.85 - 1.15
5.0
4.25 - 5.75
100
85 - 115
600
510 - 690
2.0
1.70 - 2.30
6.0
5.10 - 6.90
200
170 - 230
700
595 - 805
3.0
2.55 - 3.45
7.0
5.95 - 8.05
300
255 - 345
800
680 - 920
4.0
3.40 - 4.60
400
340 - 460
900
765 - 1035
500
425 - 575
1000
850 - 1150
9 RECOMMENDED TEST PRESSURES & ACCEPTABLE RANGES (continued)
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ELCOMETER 106 SCALE 3 (Accuracy: ±15% of the reading)
Megapascals (MPa)
Pounds Per Square Inch (psi)
Gauge
Pressure
Elcometer AVU
Acceptable Range
Gauge
Pressure
Elcometer AVU
Acceptable Range
Gauge
Pressure
Elcometer AVU
Acceptable Range
Gauge
Pressure
Elcometer AVU
Acceptable Range
3.0
2.55 - 3.45
12.0
10.20 - 13.80
500
425 - 575
1500
1275 - 1750
6.0
5.10 - 6.90
15.0
12.75 - 17.25
1000
850 - 1150
1750
1487 - 2013
9.0
7.65 - 10.35
1250
1062 - 1438
2000
1700 - 2300
ELCOMETER 106 SCALE 4 (Accuracy: ±15% of the reading)
Megapascals (MPa)
Pounds Per Square Inch (psi)
Gauge
Pressure
Elcometer AVU
Acceptable Range
Gauge
Pressure
Elcometer AVU
Acceptable Range
Gauge
Pressure
Elcometer AVU
Acceptable Range
Gauge
Pressure
Elcometer AVU
Acceptable Range
5.0
4.25 - 5.75
20.0
17.00 - 23.00
500
425 - 575
2500
2125 - 2875
10.0
8.50 - 11.50
22.0
18.70 - 25.30
1000
850 - 1150
3000
2550 - 3450
15.0
12.75 - 17.25
1500
1275 - 1725
3200
2720 - 3680
2000
1700 - 2300
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9 RECOMMENDED TEST PRESSURES & ACCEPTABLE RANGES (continued)
ELCOMETER 106 SCALE 6 (Accuracy: ±15% of the reading)
Megapascals (MPa)
Pounds Per Square Inch (psi)
Gauge
Pressure
Elcometer AVU
Acceptable Range‡
Gauge
Pressure
Elcometer AVU
‡
Acceptable Range
Gauge
Pressure
Elcometer AVU
‡
Acceptable Range
Gauge
Pressure
Elcometer AVU
‡
Acceptable Range
0.5
2.74 - 3.71
2.5
13.71 - 18.55
50
274 - 371
300
1645 - 2225
1.0
5.48 - 7.42
3.0
16.45 - 22.26
100
548 - 741
350
1919 - 2596
1.5
8.23 - 11.13
3.5
19.19 - 25.97
150
822 - 1112
400
2193 - 2967
2.0
10.97 - 14.84
200
1096 - 1483
450
2467 - 3338
250
1371 - 1854
500
2742 - 3710
‡Elcometer AVU reading is multiplied by the conversion factor of 6.4516 to give actual measured result.
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