AD590: How to measure temperature of a steel plate

Q

I want to use AD590KF to measure the temperature of a piece of steel plate.
Which side(Side 1 or Side 2) should be attached on the steel plate? And how he
attach the AD590KF to the plate?
If I want to test the temperature(about 50 degree) of the Steel Plate, then
can I place the Side 2 to the Plate, is it Ok?

A

Yes, you should thermally connect side 2 of the package to the steel plate,
using thermal adhesive.

You should also make sure that there is no other heat source sharing the same
GND on the PCB.

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