HP Extech 380976 Manuel d'utilisateur télécharger pdf (Page 9)

380976 V3.1 6/08

NOTE

Once a phase is selected as COM, users can not change this selection in the

subsequent measurement. For example, if S (or L2) phase is selected, S (or L2)

phase is always connected to the COM during measurement of W

(or W

L1L2

) and

(or W

L3L2

) in 3

3W unbalanced power.

NOTE

1. The "+" sign printed on Panel must face the power source for accurate

measurement.

2. If the device under test is a switching power supply, the meter KW, PF and

reading maybe incorrect.

NOTE

For 3

3W unbalanced power measurements, W

or W

could be negative.

Ensure that all connections are correct before accepting a reading as valid.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 19 20

Pas de commentaire

HP Extech 380976 Manuel d'utilisateur Page 9