METREL MI 3125 User Manual

MI 3125 InstaltestCOMBO Settings
21
4.2.2 Initial settings
In this menu the instrument settings and
measurement parameters and limits can be
set to initial (factory) values.
Figure 4.3: Initial settings dialogue
Keys:
TEST
Restores default settings.
Function selectors
Exits back to main function menu without changes.
Warning:
 Customized settings will be lost when this option is used!
 If the batteries are removed for more than 1 minute the custom made settings will
be lost.
The default setup is listed below:
Instrument setting Default value
Contrast As defined and stored by adjustment procedure
Isc factor 1.00
RCD standards EN 61008 / EN 61009
Language English
Function
Sub-function
Parameters / limit value
R ISO No limit
Utest = 500 V
Low Ohm Resistance
R LOWΩ
No limit
SOCKET No limit
Z - LINE Fuse type: none selected
Z - LOOP Fuse type: none selected
Zs rcd Fuse type: none selected
RCD RCD t
Nominal differential current: I
ΔN
=30 mA
RCD type: G
Test current starting polarity: (0°)
Limit contact voltage: 50 V
Current multiplier: ×1
Note:
 Initial settings (reset of the instrument) can be recalled also if the TAB key is
pressed while the instrument is switched on.

METREL MI 3125 Specifications

General

Type	Multifunction Installation Tester
Insulation Resistance	Yes
Continuity Test	Yes
Loop Impedance	Yes
RCD Testing	Yes
Voltage Measurement	Yes
Frequency Measurement	Yes
Display	LCD
Power Supply	6 x 1.5 V AA batteries
Loop Resistance Resolution	0.01 Ω
Frequency	45 - 65 Hz
Line Voltage Resolution	1 V
Insulation Resistance Test Voltage	50 V, 100 V, 250 V, 500 V, 1000 V
Insulation Resistance Resolution	0.01 MΩ
Continuity Resistance Resolution	0.01 Ω
Test Current	200 mA
DC Voltage	Up to 600 V
Loop Resistance	0.0 Ω - 1999 Ω
Line Voltage	Up to 550 V
Line Voltage Accuracy	±2% ±2 digits
Rated Residual Current	10 mA, 30 mA, 100 mA, 300 mA, 500 mA
Insulation Resistance Range	0.01 MΩ to 1 TΩ
Continuity Resistance	0.0 Ω - 1999 Ω
Dimensions	220 x 103 x 55 mm
Operating Temperature	-10°C to 50°C
Storage Temperature	-20°C to +60°C
Safety Standards	EN 61557
Loop Resistance Accuracy	±(5% + 3 digits)