
Contents
Manual TRZ 03· EN08 2018 September, 10th
II
3.6.1
Connecting additional devices
........................................................................................ 43
3.6.2
Pulse transmitters in measuring element (HF 2 and HF 3)
........................................ 44
3.6.3
Connector pin assignments
............................................................................................. 46
3.7
S
PECIFICATIONS OF THE PULSE TRANSMITTERS
............................................................................ 48
3.8
T
EMPERATURE MEASUREMENT
....................................................................................................... 49
3.9
C
OMMISSIONING
.............................................................................................................................. 50
3.9.1
Filling with oil
..................................................................................................................... 50
3.9.2
Connecting the gas flow
................................................................................................... 50
4.
OPERATION
................................................................................................................................. 52
4.1
I
NFLUENCES ON THE ERROR OF MEASUREMENT DUE TO OPERATION
............................................ 52
4.1.1
Intermittent operation
....................................................................................................... 52
4.1.2
Influence of pulsations
..................................................................................................... 52
4.1.3
Consequences
.................................................................................................................. 53
4.1.4
Limiting values
................................................................................................................... 54
4.2
L
UBRICATION
................................................................................................................................... 55
4.2.1
Lubricator
........................................................................................................................... 55
4.2.2
Specification for lubricating oils
....................................................................................... 56
4.2.3
Initial lubrication
................................................................................................................. 56
4.2.4
Relubrication
...................................................................................................................... 56
4.2.5
Lubrication procedure
....................................................................................................... 57
4.2.6
Maintenance instructions
................................................................................................. 59
5.
LABELLING
................................................................................................................................. 60
6.
SPECIFICATIONS
........................................................................................................................ 64
6.1
M
EASURING RANGES
/
D
IMENSIONS
/
P
RESSURE CLASSES
TRZ03
(PTB)
.................................. 64
6.2
M
EASURING RANGES
/
D
IMENSIONS
/
P
RESSURE CLASSES
TRZ03-K
.......................................... 66
6.3
Q
MIN
DEPENDING ON THE OPERATING PRESSURE IN NATURAL GAS
................................................ 68
6.4
V
ALUES FOR SECONDARY METERING FOR METERS WITHOUT
MID
APPROVAL
.............................. 69
6.5
O
VERVIEW OF THE MATERIALS USED
.............................................................................................. 70
ANNEX
................................................................................................................................................. 71
Certificates for LF-/HF-sensors and encoder
.............................................................................. 71
Certificates
........................................................................................................................................... 73