57
Adjustment of the time to automatic switching off of the backlighting: 1 min, 2 min (default), 5 min, or 10 min.
Adjustment of the time to automatic switching off of the device: 5 min (default), 10 min, 30 min, or
∞
(per-
manent operation).
To return to the factory configuration (compensation for resistance of measurement leads and all adjustable
parameters in the various measurements). The device requests confirmation before executing.
The default configuration of the device is as follows:
General configuration
Audible signal: activated
U
L
= 50 V
Duration of lighting of the backlighting: 2 min.
Duration of operation of the device before automatic switching off: 5 min.
Date and time format: DD/MM/YYYY and 24 h.
Language: English.
Resistance and continuity measurement
Measurement mode: permanent.
Measurement current: 200 mA.
Polarity of the current: duplex
Compensation of the measurement leads: 150 m
W
.
Alarm activated.
Alarm threshold: 2
W
.
Insulation measurement
Test voltage: 500 V.
Alarm activated.
Alarm threshold: 500 k
W
.
3P earth resistance measurement
Simple measurement (no measurement of the rods).
Compensation of the measurement lead R
E
= 270 m
W
.
Alarm activated.
Alarm threshold: 50
W
.
Measurement of loop impedance (Z
S
), of earth on live circuit, and of selective earth resistance on
live circuit
Measurement current: 6 mA.
Compensation of the cords: 75 m
W
, 60 m
W
, 95 m
W
respectively for R
D
L
, R
D
N
, R
D
PE
(measuring cable with
mains plug).
U
REF
= U
MEAS
.
Alarm deactivated.
No smoothing of the measurement.
Line impedance measurement (Z
i
)
Compensation of the leads: 75 m
W
, 60 m
W
, 95 m
W
respectively for R
D
L
, R
D
N
, R
D
PE
(measuring cable cord
with mains plug).
U
REF
= U
MEAS
.
Alarm deactivated.
No smoothing of the measurement.
Test of RCD
Nominal range I
D
N
= 30 mA.
Type of circuit-breaker: Standard (STD).
Test waveform: sinusoidal signal that begins with a positive half-wave.
Test current for determination of U
F
= 0.3 I
D
N
.
Alarm deactivated.
Audible RCD identification function: deactivated.
Current and leakage current measurement
Alarm deactivated.