Service; Measurement - GE Kelman DGA900 Operator's Manual

6.11 Service

6.11.1 Measurement

Select Service > Measurement to open the Measurement Settings page as shown in
Figure 6-39. The Normalization Temperature is a thermostatically controlled internal target
temperature for the Analysis module. Depending on the region, one of two temperatures
can be set 0 °C or 20 °C.
Figure 6-39: Measurement Settings
The following Measurement Flags are available:
Nitrogen Enabled — displays measurement data for nitrogen. This also activates the
display of Total Dissolved Gases (TDG) (disabled by default).
TDG Enabled — lists the Total Dissolved Gases (TDG). Inactive if nitrogen measurement is
not enabled. TDG = H
TDH Enabled — lists the Total Dissolved Hydrocarbons. (TDH). TDH = CH
C H
2 6.
Estimated Safe Handling Limit (ESHL) – expresses the concentration of gases contained
within the oil sample as a percentage. This is a safety indicator and is used to assess the
associated risk of the oil sample. ESHL = H
C H /LevelC H
2 6 2
MA-025 – DGA 900 Operator Guide – Rev 2.0
+ CO + CO + C
2 2
+ C H /LevelC H + C
6 2 4 2 4 2
H + C H + CH + C H
2 4 2 6 4 2
/LevelH + CH /LevelCH
2 2 4
H /LevelC H
4 2 4.
+ O + N
2 2 2.
+ C H + C
4 2 2 2
+ CO/LevelCO +
4
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H +
4