Introduction
Operating Instructions for the TERZ 94 Electronic Turbine Meter
1
Table of Contents
Introduction.............................................................................. 1
Functional Description............................................................ 2
Construction............................................................................................. 2
Meter head............................................................................................... 3
Block diagram .......................................................................................... 3
Safety Instructions .................................................................. 5
Installation................................................................................ 6
Operating conditions ................................................................................ 6
Pressure loss ........................................................................................... 7
Installation................................................................................................ 7
Electrical connections .............................................................................. 9
Installing the remote totalizing unit......................................................... 13
Start-up................................................................................... 14
Connecting the gas flow......................................................................... 14
Initializing the totalizing unit ................................................................... 14
Operation................................................................................ 15
Display ................................................................................................... 15
Programming ......................................................................................... 17
Parameters and Modes of the TERZ 94 / 94-S ...................................... 21
Power Supply......................................................................... 27
Maintenance........................................................................... 28
Lubrication ............................................................................................. 28
Changing the battery.............................................................................. 29
Specifications ........................................................................ 30
Measuring range .................................................................................... 30
Measuring error...................................................................................... 30
Temperature ranges .............................................................................. 30
Inputs and outputs ................................................................................. 30
Materials used for the meter case.......................................................... 34
Examples of connection ......................................................................... 35
Annex...................................................................................... 38
Overview of parameters......................................................................... 38
Standard parameters (factory setting).................................................... 39
Fault and event display .......................................................................... 41
Matrix of the TERZ 94 / 94-S ................................................................. 42
TERZ 94 button assignments................................................................. 43
Converting the TERZ 94 into the TERZ 94-S......................................... 44
Cable type abbreviations ....................................................................... 45
EC type approval certificate ................................................................... 47
Содержание TERZ 94
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