General-tools-and-instruments CIH20DL Manuale Utente Scaricare il pdf (Pagina 25)

To eliminate measurement error, the CIH20DL must be moved close enough so the

motor is the only object in the target area of its IRT (see below figure). For a motor

with an area of 1 ft

and using an IRT with a D:S ratio of 8:1, the optimum

measurement distance would be 8 ft.

For best results, the targeted area (spot) should fall within the target’s boundaries

Measuring a motor’s temperature from the

wrong (top) and right (bottom) distance

wall

CIH20DL-FINAL-122111_awb 12/21/11 9:58 AM Page 25

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General-tools-and-instruments CIH20DL Manuale Utente Pagina 25