Manuale di Istruzioni
Instruction Manual
58-E4800 Rev. 4 EN 21/05/2012
Index
1. INTRODUCTION 1
1.1 Icons appearing in the manual .........................................................................................2
1.2 Manual revision history...................................................................................................3
1.3 Symbols used..................................................................................................................4
1.4 Intended use and improper use.........................................................................................5
1.5 Safety information...........................................................................................................6
1.6 Environmental risks and disposal...................................................................................10
1.7 CE declaration...............................................................................................................11
2. DESCRIPTION 12
2.1 Identification plate ........................................................................................................13
2.2 Commands and controls ................................................................................................14
2.3 Technical specifications ................................................................................................15
3. USE OF THE EQUIPMENT 16
3.1 Recharging the battery...................................................................................................17
3.2 Preparation and use .......................................................................................................19
3.3 Interpretation of results..................................................................................................22
3.3.1 Transducers arrangement ...........................................................................................22
3.3.2 Path length and pulse velocity measurement...............................................................23
3.3.3 Evaluation of homogeneity and uniformity of concrete...............................................24
3.3.4 Presence of cracks, voids, deteriorated regions ...........................................................24
3.3.5 Correlation of pulse velocity and strength...................................................................24
3.3.6 Estimation of time for formwork striking and prestressing..........................................24
3.3.7 Estimation of dynamic elastic modulus.......................................................................25
3.3.8 Depth of cracks..........................................................................................................26
3.3.9 Recommendation for the proper use of the ultrasonic tester.........................................27
3.4 Connection to an oscilloscope .......................................................................................28
3.5 Connection to a PC........................................................................................................29
3.6 Setting “Economy mode”..............................................................................................30
3.7 Switching off the instrument..........................................................................................31
3.8 Use of the equipment with the flexible case and with the shoulder straps .....................32
4. MAINTENANCE 33
4.1 Preventive maintenance.................................................................................................34
4.1.1 Checking the calibration ............................................................................................35
4.1.2 Replacing the batteries...............................................................................................36
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