Extech Instruments MP530 Guide de l'utilisateur télécharger pdf (Page 10)

A, mA, and A Current functions

Default at DC. Press SELECT button momentarily to select AC.

*Note: When measuring a 3-phase system, special attention should be taken to the

phase-to-phase voltage which is significantly higher than the phase-to-earth voltage.

To avoid exceeding the voltage rating of the protection fuse(s) accidentally, always

consider the phase-to-phase voltage as the working voltage for the protection fuse(s).

PC-COMM computer interface capabilities

The instruments are equipped with an optical isolated interface port at the meter back

for data communication. An optional PC interface kit is required to connect the meter to

the PC computer.

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Extech Instruments MP530 Guide de l'utilisateur Page 10