NOVA AND NOVA PRO
Instrument operation
16
4.6.
Performing measurement
4.6.1.
Measurement function/sub-function
NOVA and NOVA PRO:
❑
V-Hz-
(Voltage/Frequency/Phase Direction Measurement)
❑
R Low
(continuity with 200mA) /
Continuity
(with 7mA)
❑
M
(insulation resistance)
❑
Z LINE
(Line Impedance) /
V%
(Voltage Drop on line)
❑
Z Loop
(high current L-PE line impedance) / Rs Non-Trip earth Loop Resistance
❑
RCD
(test of RCD devices of type A, AC, F up to 1A and B, B+ up to 500mA)
Only NOVA PRO
❑
Re
(Earth Resistance with Voltamperometric Method / Soil
Resistivity)
The name of the function/sub-function is highlighted on the display by default.
4.6.2.
Selecting measurement function/ sub-function
Using navigation keys
▲▼
select the parameter/limit value you want to edit. By using
◀▶
keys the value for the selected parameter can be set.
Once the measurement parameters are set, the settings are retained until new changes are
made.
4.6.3.
Performing tests
When
symbol is displayed test can be started by pressing the “TEST” button. After
completion of the test its result value and status will be displayed. In case of PASSED
measurement, result value will be displayed in black color along with the
status symbol. In
case of NOT PASSED measurement, the result value will be marked in red color along with the
symbol.
4.6.4.
Setup menu
To enter the
Setup
menu, press the SETUP key. In the
Setup
menu, the following actions can
be taken:
❑
Isc factor:
Set prospective short/fault current scaling factor
❑
Date/Time:
Set internal date and time
❑
Start function:
Selected function will start when switched on
❑
RCD standard:
Select national standard for RCD testing, e.g EN61008 or BS7671
❑
ELV:Select voltage for ELV warning.
