NDT V-E-400 Manual de usuario
V-E-400
Emodumeter
Operator’s Manual
Original Instructions: Revision February 2017
Notice
The James Instruments Emodumeter ™ has been tested in accordance
with the EU regulations governing Electro-Magnetic compliance and it
meets required directives.
Emodumeter™ is a registered trademark of James Instruments Inc. and is
property of its respective owner.
© 2017 James Instruments Inc. All rights reserved.
No part of this publication may be reproduced, stored in a retrieval system,
or transmitted, in any form, or by any means, mechanical, electronic,
photocopying, recording, or otherwise, without prior written permission of
James Instruments.
No patent liability is assumed with respect to the use of the information
contained herein. Moreover, because James Instruments is constantly
striving to improve its high-quality products, the information contained in
this manual is subject to change without notice. Every precaution has been
taken in the preparation of this manual. Nevertheless, James Instruments
assumes no responsibility for errors or omissions. Neither is any liability
assumed for damages resulting from the use of the information contained
in this publication.
Contents
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Table of Contents
Introduction.......................................................................................1
Instrument Contents List ..................................................................2
Contents List............................................................................3
Testing Bench Contents List ............................................................4
Contents List............................................................................4
Emodumeter Overview.....................................................................6
Control Panel Buttons..............................................................7
Menu Layout.....................................................................................8
Emodumeter Run Mode...................................................................9
Emodumeter Setup Menus ............................................................10
Emodumeter Selections.................................................................11
Gain.......................................................................................11
Sampling rate and number of data points .............................11
Trigger Level..........................................................................12
Review Menu..................................................................................13
System Setup.................................................................................14
Changing Date.......................................................................14
Erase Memory.......................................................................16
Display Cursor.......................................................................17
Battery Operation ..................................................................18
Battery Charge ......................................................................19
Simple Guidelines for Battery Maintenance..........................20
Upload Menu..................................................................................21
Test Bench.....................................................................................22
Accelerometer................................................................................23
Testing Procedure..........................................................................25
Longitudinal Frequency Mode...............................................25
Transverse Frequency Mode ................................................29
Torsional Frequency Mode....................................................32
Emodulinx Introduction...................................................................35
Features ................................................................................35
Minimum System Requirements ...........................................35
Emodulinx Overview ......................................................................36
Menu Descriptions.................................................................37
Software Installation.......................................................................38
Contents
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Connecting the Emodumeter .........................................................43
Overview of Menus ........................................................................44
Setup Menu ...........................................................................44
Selection Menu......................................................................46
Review Menu.........................................................................47
Upload Menu .........................................................................48
FFT Menu..............................................................................50
Tips and Troubleshooting...............................................................51
Sampling Frequency and frequency resolution.....................51
Contact accelerometer ..........................................................51
Trigger level...........................................................................51
Gain.......................................................................................51
Missing Drivers (Emodulinx)..................................................52
Safety.............................................................................................54
Specifications.................................................................................55
Sales Numbers...............................................................................55
Warranty Information......................................................................56
Repair Policy..................................................................................61
We: James Instruments Inc.
Of: Chicago, IL
In accordance with the following Directive(s):
2006/95/EC Low Voltage Directive
hereby declare that:
Equipment Emodumeter
Model Number V-E-400
is in conformity with the applicable requirements of the following
documents
Ref. No. Title Edition/date
ASTM C 215 Standard Test Method for Fundamental 2008
Transverse, Longitudinal, and Torsional
Frequencies of Concrete Specimens.
ASTM C 666 Standard Test Method for Resistance of 2008
Concrete to Rapid Freezing and Thawing.
EN 61000-6-3 Electromagnetic compatibility (EMC). Generic 2007
standards. Emission standard for residential,
commercial and light-industrial environments.
EN 61000-6-2 Electromagnetic Compatibility (EMC) 1999
Part 6-2: Generic Standards—Immunity
for Industrial Environments.
I hereby declare that the equipment named above has been designed to
comply with the relevant sections of the above referenced specifications.
The unit complies with all applicable Essential Requirements of the
Directives.
Signed:
Name: Michael Hoag
Position: President, James Instruments Inc.
Location: Chicago, IL
On: 2/23/2017
Introduction
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Introduction
The Resonant Frequency Tester may be used in the laboratory for
research purposes or in the field to assess quality control and
concrete stiffness evolution or the damage induced by freezing and
thawing of concrete. It is a non-destructive method to determine
the longitudinal, torsional, and flexural or transverse resonant
frequencies of a variety of materials. The specification complies
with ASTM C-215, ASTM C- 666, BS 1991, and JISA 1127
standard for testing concrete specimens by the resonant frequency
method. It also meets standards to measure modulus of Elasticity
of rocks and other materials.
The instrument consists of the Resonant Frequency Tester, a test
bench for longitudinal, flexural and torsional resonance
measurements to take specimens up to 28” x 6” x 6”, a miniature
accelerometer is used as a receiver and a set of 6 hardened steel
balls are used to generate the vibrations on the sample by a
mechanical impact. In order to obtain the resonance frequency of
the sample, the received signal is analyzed in the time domain and
the frequency spectrum is displayed on the instrument’s screen.
The Emodumeter system comes with 6 different (steel) ball sizes:
6mm, 8mm, 10mm, 12mm, 14mm and 16mm. The maximum
frequency that can be generated by each size can be found in the
chart below.
Steel ball diameter = Maximum Resonant Frequency possible
6mm = 48.5 kHz max freq.
8mm = 36.4 kHz max freq.
10mm = 29.1 kHz max freq.
12mm = 24.3 kHz max freq.
14mm = 20.8 kHz max freq.
16mm = 18.2 kHz max freq.
(Note: All impactors sold and manufactured at James Instruments,
Inc. are made of steel.)
Instrument Contents List
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Instrument Contents List
Each Emodumeter comes with the following items included in the
carrying case.
Figure 1: Emodumeter Contents
Testing Bench Contents List
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Contents List
Item #
Description
1
Case –Used for carrying the Emodumeter and
accessories.
2
Emodumeter Instrument –Resonant Frequency
Tester encased in a durable protective case.
3
Instruction Manual –Operating instructions for
Emodumeter.
4
AC Power Adapter –Used to power the Emodumeter
and recharge the unit.
5
240 VAC Adapter Plug –
6
USB Cable –Serial cord used to connect the
Emodumeter to a PC to upload data.
7
Accelerometer Pickup Cable –Connected to
Sensor/Accelerometer.
Testing Bench Contents List
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Testing Bench Contents List
Each Emodumeter comes with a testing bench which has the
following items included.
Figure 2: Testing Bench Contents
Contents List
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