Flexim FLUXUS G601

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3 Measurement Principle FLUXUS G60x

UMFLUXUS_G6V4-2EN, 2011-03-29 17

Δt

signal in the

flow direction

signal against

the flow direction

Fig. 3.3: Transit time difference Δt

Main Page

Table of Contents5
Introduction11
Regarding this Manual11
Safety Instructions11
Warranty12
Handling13
First Inspection13
General Precautions13
Cleaning13
Storage14
Measurement Principle15
Measurement System15
Determination of the Volumetric Flow Rate15
Transmitter18
Design18
Status Indication19
Serial Number19
Keyboard20
Selection of the Measuring Point22
Acoustic Penetration22
Undisturbed Flow Profile23
Influence of Noise26
Selection of the Measuring Point Taking into Account the Flow Profile and the Influence of Noise28
Installation of FLUXUS G60130
Location30
Installation of the Transmitter30
Connection of the Transducers32
Power Supply33
Connection of the Outputs35
Connection of the Inputs38
Connection of the Serial Interface41
Installation of FLUXUS G60842
Location42
Installation of the Transmitter42
Connection of the Transducers44
Power Supply45
Connection of the Outputs (Optional)49
Connection of the Inputs (Optional)51
Connection of the Serial Interface53
Mounting the Transducers54
Preparation of the Pipe Surface54
Mounting of the Damping Mats54
Positioning of the Transducers58
Installation of the Temperature Probe (Optional)61
Cleaning of the Pipe Surface61
Installation of the Temperature Probe (Response Time 50 S)61
Installation of the Temperature Probe (Response Time 8 S)63
Connection of the Temperature Probe64
Start-Up67
Switching On/Off67
Displays67
Hotcodes69
Language Selection70
Basic Measurement71
Input of the Pipe Parameters71
Input of the Medium Parameters74
Other Parameters76
Selection of the Channels76
Defining the Number of Sound Paths77
Transducer Distance79
Start of the Measurement82
Detection of the Flow Direction83
Stopping the Measurement83
Displaying the Measured Values84
Selection of the Physical Quantity and of the Unit of Measurement84
Toggling between the Channels85
Adjustment of the Display86
Status Line87
Transducer Distance88
Advanced Measuring Functions89
Damping Factor89
Totalizers89
Upper Limit of the Flow Velocity91
Cut-Off Flow92
Uncorrected Flow Velocity93
Measurement of Highly Dynamic Flows (Fastfood Mode)94
Calculation Channels95
Change of the Limit for the Inner Pipe Diameter98
Data Logger and Transmission of Data99
Data Logger99
Transmission of Data104
Working with Parameter Records111
Introduction111
Storing of a Parameter Record111
Loading of a Parameter Record111
Deleting Parameter Records112
Libraries113
Partitioning of the Coefficient Memory113
Input of Material/Medium Properties Without the Extended Library114
Extended Library116
Deleting a User Defined Material/Medium119
Arrangement of the Material/Medium Scroll List120
Settings122
Time and Date122
Dialogs and Menus123
Measurement Settings126
Settings of the Standard Conditions for the Gas Measurement127
Setting the Contrast128
Instrument Information128
Superuser Mode129
Activation/Deactivation129
Transducer Parameters129
Defining the Flow Parameters130
Limit of the Signal Amplification132
Upper Limit of the Sound Speed133
Number of Decimal Places of the Totalizers134
Manual Reset of the Totalizers135
Display of the Sum of the Totalizers135
Display During the Measurement135
Wall Thickness Measurement (Optional)136
Activation of the Wall Thickness Measurement136
Parameter Input137
Measurement138
Inputs142
Assigning the Temperature Inputs to the Measuring Channels142
Selection of the Temperature Probe143
Assignment of Other Inputs to the Measuring Channels144
Activation of the Inputs144
Temperature Correction145
Outputs147
Installation of an Output147
Error Value Delay152
Activation of an Analog Output153
Configuration of a Frequency Output as a Pulse Output154
Activation of a Binary Output as a Pulse Output155
Activation of a Binary Output as an Alarm Output156
Behavior of the Alarm Outputs160
Deactivation of the Outputs162
Troubleshooting163
Problems with the Measurement164
Selection of the Measuring Point165
Maximum Acoustic Contact165
Application Specific Problems165
Large Deviations of the Measured Values166
Problems with the Totalizers167
Data Transmission167
A Menu Structure168
B Technical Data189
C Reference226
D Certificates230

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