METREL EurotestXE User Manual

MI 3102(H) BT EurotestXE Measurements
54
Displayed results:
ΔU ............ voltage drop
Isc ............ prospective short-circuit current
Z ............... line impedance at measured point
Zref .......... reference impedance
Voltage drop is calculated as follows:
 
100
)(
% 


N
NREF
U
IZZ
U
where:
ΔU ........ calculated voltage drop
Z ........... impedance at test point
Z
REF
...... impedance at reference point
I
N
.......... rated current of selected fuse
U
N
......... nominal voltage (see table below)
U
n
Input voltage range (L-N or L1-L2)
110 V
(93 V  U
L-N
 134 V)
230 V
(185 V  U
L-N
 266 V)
400 V
(321 V  U
L-L
 485 V)
Notes:
 If the reference impedance is not set the value of Z
REF
is considered as 0.00 Ω.
 The Z
REF
is cleared (set to 0.00 Ω) if pressing CAL key while instrument is not connected
to a voltage source.
 I
SC
is calculated as described in chapter 0Additional key:

HELP /
CAL
Click
Measures Zref value for U function.
Keep pressed for 1s
Enters Help screen.

METREL EurotestXE Specifications

General

Brand	METREL
Model	EurotestXE
Category	Measuring Instruments
Language	English