Installation, operating and maintenance manual
UNIGAS 300
DDG6004MHGB/08-2017/Rev.A2 Software version from M 1.3.40 and D 2.3.37
2
Table of contents
1
Introduction ................................................................................................................. 3
2
Explosion safety instructions (Ex) ............................................................................ 5
3
MID and conversion functions ................................................................................... 6
3.1
Measurement Instruments Directive (MID) .......................................................................................... 6
3.2
Conversion functions ........................................................................................................................... 7
3.2.1
Gas meter error curve correction ................................................................................................... 9
3.2.2
Handling conversion functions ....................................................................................................... 9
3.2.3
Determining the flow rate and consumption .................................................................................. 9
3.2.4
Loggers and log books................................................................................................................. 10
3.3
Other functions .................................................................................................................................. 12
3.3.1
Impulse outputs ............................................................................................................................ 12
3.3.2
Alarm outputs ............................................................................................................................... 12
3.3.3
Battery consumption counter ....................................................................................................... 12
4
Installation ................................................................................................................. 13
4.1
Main components .............................................................................................................................. 13
4.2
Connections ....................................................................................................................................... 15
4.3
Connecting a gas meter with encoder output .................................................................................... 16
4.4
Mounting and connecting cables ....................................................................................................... 17
4.5
Temperature sensor .......................................................................................................................... 19
4.6
Pressure sensor ................................................................................................................................. 19
5
Sealing layout ........................................................................................................... 21
6
Control and display .................................................................................................. 22
7
Maintenance .............................................................................................................. 29
7.1
Adjusting ............................................................................................................................................ 29
7.2
Replacing the pressure sensor or the temperature sensor ............................................................... 29
8
Replacing the battery ............................................................................................... 32
9
Sensor pockets for temperature sensor ................................................................. 34
10
Counters and registers ............................................................................................ 35
11
Technical specifications .......................................................................................... 44
12
Correction of gas meter measuring error ............................................................... 51
13
Determination of volume difference when two impulse inputs are used ............ 52
Summary of Contents for UNIGAS 300
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