46 Installation Guide
Taking an oil sample
Oil samples are taken on a regular basis depending on company policies in order to perform a complete
analysis of the oil. Such a laboratory analysis allows to complement the hydrogen measurement done
with the CoreSense with the other gases that may be present in the oil.
To take an oil sample, simply perform steps 1–7 from “Installation on transformer valve” on page 15 ,
but using a syringe instead of a bucket.
Cleaning
On a regular basis and in accordance with your company’s procedure:
• Perform a visual inspection of the sensor, check for oil leaks, water or snow accumulation.
• Make sure that the enclosure is properly secured.
• Keep the sensor clean to make reading the LEDs easier. Wipe excess oil or water using a clean cloth.
Before sending a spectrometer to ABB
Before sending a spectrometer to ABB, you must first:
• Make sure that the CoreSense has been completely emptied. Wipe excess oil with a clean cloth.
• Cover the NPT access port to prevent any contaminants from entering the sensor.
• Obtain a Contamination Data Sheet from ABB’s after sales service.
• Fill out and sign the Contamination Data Sheet. Do not forget to check the check boxes of the Non-
contaminated Material Declaration section.
• Return the fully completed Declaration to ABB.
• Obtain the authorization from ABB personnel. You must receive a Return Merchandise Authorization
(RMA) prior to sending the analyzer back to ABB, otherwise receipt of analyzer will be refused.
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