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2.2.
FOREWORD
This quick reference guide is referred to the following models EASYTEST, COMBI519 and COMBI521..
Unless otherwise specified, the "instrument" is referred to COMBI521 model. The following shows the
possible functions
Name
Mesurement description
AUTO sequence of Ra , RCD,
AUTO
M measures
Multimeter
DMM
Voltage, Frequency)
Continuity
RPE
protective
conductors with 200mA
Continuity
protective
Lo
conductors
EQUITEST optional accessory)
Measurement
M
resistance (L-PE L-N, N-PE
modes)
Test on molded case RCD
RCD
(STD) General and Selective
up to 1000mA
Measurement of global earth
resistance
LOOP
Line/Loop impedance (L-N, L-L,
L-PE)
with
prospective short circuit current
Measurement of
impedance (L-N, L-L, L-PE)
LoZ
with calculation of prospective
short circuit current (with IMP57
optional accessory)
Detection of phase rotation and
1,2,3
concordance test with 1-wire
method
Measurement
∆V%
voltage drop on main lines
Measurement of environmental
parameters
AUX
Humidity, Illuminance of white
and LED light sources)
measurement
LEAK
current by using optional clamp
HT96U
Real
time
main
parameters
PQA
harmonics, power factor/ cos)
Safety test on electric car
EVSE
charging system
TEST100 optional accessory)
function
(AC
test
of
earth,
equipotential
test
of
earth,
equipotential
with 10A (with
of
insulation
(Rap )
and
calculation
of
Line/Loop
of
percentage
(Temperature,
of
leakage
measurement
of
(powers,
(with EV-
Table 1: Characteristics of models
EASYTEST
COMBI519
(A, AC)
(A, AC, B)
EN - 4
EASYTEST-COMBI519-COMBI521
Quick reference guide
COMBI521
(A, AC, B)
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