GE Kelman DGA900 Operator's Manual page 66

Observe the product state on the HMI Dashboard page. Either wait for the product to
return to the Standby state or use the HMI to stop the current measurement cycle.
If the product is in "Standby" state, proceed to step 3. If the product is in a
measurement state, manual sampling is prevented.
Navigate to the Dashboard page and press Stop Measurement. The state changes to
"Oil draining". If there is oil in the headspace, the draining process may take several
minutes. The product returns to "Standby" state.
On the local HMI Quick Access page, press Manual Sampling.
When the product is in "Standby" state, remove the quick-connect body protector by
pulling the collar down.
Fit the male quick-connect fitting and valve assembly to the correct quick-connect body
on the base of the product as shown in Section 7.1. Ensure that the valve is closed to
prevent oil leakage.
Press Start.
An oil line purging process starts. The product state reads "Oil purging". To ensure
accurate results, oil must be adequately purged before sampling begins. This brings
fresh oil from the transformer to the manual oil sampling port. Typically this means
waiting approximately 5–10 minutes, but the recommended wait time can vary
depending on the installation (longer tubing and lower temperatures can increase the
purge duration). Consult with Technical Support.
Press Continue when done. The product state reads "Oil sampling".
that the oil sampling process can begin.
Remove the Luer fitting cap, connect the oil sampling equipment e.g. syringe, and
perform the oil sampling as per standard process and procedures.
When finished sampling, close the valve and disconnect the oil sampling equipment.
Remove the male fitting and valve assembly, and replace the body protector fitting on
the quick-connect body.
Press Finish when done. The product state returns to "Standby".
sampling" state, the product reverts to "Standby" after one hour. Measurement then
begins at the next scheduled measurement time.
To start a measurement immediately, press the Start button.
MA-025 – DGA 900 Operator Guide – Rev 2.0
Note: This indicates
Note: If left in the "Oil
12-Apr-19 Page 66 of 92