METREL MI 3125 User Manual

MI 3125 InstaltestCOMBO Front panel
12
3 Instrument description
3.1 Front panel
8
9
10
11
12
7
6
5
4
3
2
1
Figure 3.1: Front panel
Legend:
1 LCD 128 x 64 dots matrix display with backlight.
Starts measurements. 2 TEST
TEST
Acts also as the PE touching electrode.
3 UP
4 DOWN
Modifies selected parameter.
5 CAL Calibrates test leads in Continuity functions.
6 Function selectors Selects test function.
7
Backlight,
Contrast
Changes backlight level and contrast.
Switches the instrument power on or off.
The instrument automatically turns off 15 minutes after the
last key was pressed.
8 ON / OFF
In RCD Auto toggles between top and bottom parts of results
field.
9 HELP Accesses help menus.
10 TAB Selects the parameters in selected function.
11 PASS Green indicator
12 FAIL Red indicator
Indicates PASS/ FAIL of result.

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)