CONTENTS
INDEX 9
1 INTRODUCTION 12
1.1 SV 977D as Sound Level Meter & Analyser 13
1.2 SV 977D as Vibration Level Meter & Analyser 13
1.3 General features of SV 977D 13
1.4 Accessories included 14
1.5 Accessories available 14
1.6 Firmware options available 14
2 GENERAL INFORMATION 15
2.1 Measurement configurations as Sound Level Meter (SLM) 15
2.2 Sound measurements in special conditions 16
2.3 Measurement configurations as Vibration Level Meter (VLM) 16
2.4 Input and output sockets of the instrument 16
2.5 Power supply 18
2.6 Control keys 19
2.7 Working with the instrument 21
2.7.1 Measurement mode 22
2.7.2 Configuration mode 23
2.8 Default settings 26
2.9 Description of icons 27
2.10 Overload and underrange detection 28
2.11 Saving data 29
2.12 Downloading and uploading files 32
2.13 Activating optional functions 33
3 MEASUREMENT FUNCTIONS AND CALIBRATION – Function 34
3.1 Selecting the instrument mode – Mode 34
3.2 Activating measurement functions – Measurement Function 34
3.3 Calibrating the instrument – Calibration 35
3.3.1 System Check 36
3.3.2 Calibration by Sensitivity (Acoustic signal) 36
3.3.3 Calibration by Sensitivity (Vibration signal) 37
3.3.4 Calibration by Measurement (Acoustic signal) 37
3.3.5 Calibration by Measurement (Vibration signal) 38
3.3.6 History of performed calibrations – Calibration History 39
3.3.7 Erasing calibration records – Clear Calibr. History 39
3.3.8 Automatic calibration – Auto Calibration 40
3.3.9 Post measurement calibration – Post Calibration 40
4 CONFIGURING MEASUREMENT PARAMETERS – Measurement 41
4.1 Setting general measurement parameters – General Settings 42