Hydran* M2-X Instruction Manual
Page 140
MA-029
Rev. 1.0,
30-Jul-18
Dissolved Gas Analysis (DGA) in ppm
Hydran M2-X
Reading
(ppm)
Hydrogen
(H
2
)
Carbon
Monoxide (CO)
Acetylene
(C
2
H
2
)
Ethylene
(C
2
H
4
)
100
0
0
0
100
100
1,000
0
0
250
100
100
0
0
115
100
100
50
0
119
100
100
50
200
122
Table 9-2: Gas Reading Comparisons Between DGA and Hydran M2-X
9.5
Maintenance Verification
Frequency
: Annually or on alarm due to system fault conditions.
Please advise the station operator prior to maintenance.
Working inside the Hydran M2-X may trigger unwanted
alarms due to parameter changes, power shutdown, system
rebooting or electro-static discharge
The surface of the base plate can be hot. Heating for the
dynamic oil sampling system (Section 2.5) is achieved using
heating resistors mounted on the internal side of the base
plate.
9.5.1
Visual Inspection
Read all warnings and recommendations in Chapter
handling the sensor.
1.
Check for oil leaks.
2.
If necessary, clean and retighten the sensor.
3.
Check for water or dust infiltration inside the enclosure; clean and fix the
enclosure if necessary.
4.
Check for loose connections on terminal blocks and connectors; retighten if
necessary.
CAUTION
CAUTION
CAUTION
