Extech Instruments Extech 380976 User Manual

380976 V3.2 4/11
8
3. The power clamp will process these two sets of data (W
L12
, W
L23
), and show the result on the
LCD. The W
L123
symbol will be shown to indicate 3
φ
3W power. The 3
φ
3W power (in watts) is
stored in the meter memory.
4. To read a single data record, press the “ HOLD ” key to select desired W
L12
, W
L23
or W
L123
display then press the “RANGE” key to select KW+HP (Horse Power), KW+PF (Power
Factor), KW+KVAR, KVA+
θ
(Phase Angle) or A+V.
5.
W
3
φ
3W
= W
RS(L1L2)
+ W
TS(L3L2)
WKVARW
W
KWKVA 33
2
33
2
33 φφφ +=
PF
K
W
KVA
W
W
W
33
33
33
φ
φ
φ
=
6. Set the rotary switch to another position to exit this mode and clear the stored data.

Extech Instruments Extech 380976 Specifications

General

Brand	Extech Instruments
Model	Extech 380976
Category	Measuring Instruments
Language	English