The data points are 24 hour average values for the included gases and must meet the
following criteria for each point:
• At least 5 reliable measurement points must exist in the previous 24 hours. Reliability
criteria are the same as for gas alert functionality.
• At least one of the following conditions is true:
• Concentration of all triangle 1 gases is higher than OPT100 accuracy as listed in
• At least one of the triangle 1 gases is above the limit based on IEC 60599 as listed in
Table 8 Data Point Selection Criteria
Gas
OPT100 Accuracy Specification
in ppm
Limits Based on IEC 60599
Acetylene(C
2
H
2
)
2
4
Methane (CH
4
)
10
30
Ethane (C
2
H
6
)
10
30
Ethylene (C
2
H
4
)
10
30
Hydrogen (H
2
)
25
50
3.1.4 Alerts Page
Figure 14 Alerts Page
Chapter 3 – User Interface
25
Summary of Contents for Optimus OPT100
Page 1: ...M211858EN E User Guide Vaisala Optimus DGA Monitor for Transformers OPT100...
Page 24: ...Figure 11 Measurement Graph for 1 Day Rate of Change Values OPT100 User Guide M211858EN E 22...
Page 72: ...OPT100 User Guide M211858EN E 70...
Page 76: ...OPT100 User Guide M211858EN E 74...
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