NASA CP Basic Principles Book
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HARD SPOT INSPECTION TROLLEY - English - Page 58/84

Operating and Maintenance Instructions

adaptaed from: https://app.box.com/s/c6qfgtuhfg1yd2ottrfum98x8jmg7rn3


Hard spot inspection trolley • PLAMAT-M • 18201
Operating and Maintenance Instructions • V2.0
Calibration procedure


5.2.2 After initial operation – Calibration workflow

After having performed the normalization, the steps after the initial operation/normalization can be summarized as follows:



calibration procedure  after normalization
Figure 62: Calibration procedure after normalization
1Micro-magnetic state is known - Yes

Indication as NOK, anomaly is already included in calibration and is reported as hard spot.

    micro-magnetic yes

2Micro-magnetic state is known - No

Indication as Error, anomaly is unknown and not yet included in calibration database.

    micro-magnetic no

Update of calibration is required using proper referencing methodology such as a Leeb hardness tester.

3New Micro-magnetic state is known – Yes

Indication as NOK, anomaly is now included in calibration and is reported as hard spot.

    micro-magnetic is known yes





ROSEN and IZfP Page 58 of 84 Confidential!



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