MI 2087 Instaltest 61557
Memory and other operations
59
4.5. Reset of the instrument
If any malfunction is noticed when dealing with the Instaltest 61557, it is advisable
RESET
of the instrument to be carried out. In that case all settable parameters will be
set to their initial values; see the table below. Stored results will not be erased.
How to reset the instrument?
•
Switch OFF the instrument.
•
Press the
CAL
key and keep it pressed, while switching ON the instrument.
rES
message will be displayed for a while meaning RESET function has been
completed.
Parameter
Function
Initial value
Compensation of test leads
R
±
200mA
Annulled
High limit value
R
±
200mA
no
Nominal differential current
All RCD functions
10 mA
Type of RCD
All RCD functions
G (general)
Limit Contact voltage
All RCD functions
50 V
Multiplier of Nominal
differential current
t
∆
N
×
1/2
Period between two
measurements
U
L-N
LOG 1s
Total number of
measurements
U
L-N
LOG 100
High limit of Breakdown
voltage
varistor TEST
no
Low limit of Breakdown
voltage
varistor TEST
no
Low limit of illumination
SENSOR
no
Test voltage
R
ISO
50
V
Low limit of Insulation
Resistance
R
ISO
no
Table 2.
Initial values of settable parameters
