Initial Start-Up; Mains Connection; Detection Of Mains Connection Errors - Gossen MetraWatt SECUTEST BASE Operating Instructions Manual

SECUTEST B (10)/P
ASE
2

Initial Start-Up

2.1

Mains Connection

Nominal mains values: 100 to 240 V, 50 Hz to 400 Hz
➭ Connect the test instrument to the mains
cable via its inlet plug and insert the
mains plug into an electrical outlet. The
function selector switch can be set to
any position. If a mains outlet (earthing
contact outlet) is not available, or if only a
3-phase outlet is available, the adapter
socket can be used to connect the
phase conductor, the neutral conductor
and the protective conductor. The
adapter socket has three permanently
attached cables and is included with the
KS13 cable set (see wiring diagram in
the operating instructions).
! Attention!
If connection is not possible via an
earthing contact outlet: Shut down
mains power first. Then connect the
cables from the coupling socket to
the mains using pick-off clips in ac-
cordance with the diagram. Discon-
nection from mains power is only
possible with the mains plug.
Measurements in IT Systems (as from FW 1.5.0)
The setting IT system can be activated in
selector switch position SETUP (Setup 1/3)
under sub-menu All Measurement:
Parameter „Meas. at IT-mains" = Yes: active
leakage current measurements (and/or all
measurements which include the PE at the
mains connection end) are blocked. Test
sequences which contain such kind of mea-
surements are disabled as well.
6
& SECULIFE ST
RO BASE
(25)
2.2

Detection of Mains Connection Errors

The device automatically recognizes mains
connection errors if the conditions in the fol-
lowing table have been fulfilled. The user is
informed of the type of error, and all measuring
functions are disabled in the event of danger.
Type of
Message
Connection Error
Voltage at protec-
tive conductor PE Display at the
to finger contact instrument
(START/STOP key)
Protective conduc-
tor PE & phase
conductor L
reversed and/or
neutral conductor
N interrupted
Line voltage
< 180 V / < 90 V
(depending on mains)
Test on IT/TN Display at the
system instrument
1
10 A R measurements are only possible with line voltag-
PE
es of 115/230 V and line frequencies of 50/60 Hz.
2
if the test person is highly insulated, the following error
message may appear: „Interference voltage at PE of
mains connection"
! Attention!
In the event of mains connection er-
rors as described in either of the first
two cases in the table above, imme-
diately disconnect the test instrument
from the mains and arrange to have
the error eliminated!
Note!
Voltage at the electrical system's protec-
tive conductor PE may result in distorted
measurement values during testing for
the absence of voltage, or during leak-
age voltage measurements.
Initial Start-Up
Measure-
Condition
ments
Press START/
STOP button All measure-
U > 25 V
ments
Button → PE:
disabled
2
< 1 MΩ
Impossible
Voltage at PE
(no supply
> 100 V
power)
Possible
U < 180 V under certain
L-N
U < 90 V circum-
L-N
1
stances
Connection Possible
N → PE
under certain
> 50 kΩ circumstances
GMC-I Messtechnik GmbH