METREL MI 3125 User Manual

MI 3125 EurotestCOMBO Technical specification
52
Prospective fault current (calculated value)
Measuring range (A) Resolution (A) Accuracy
0.00 ÷ 9.99
0.01
10.0 ÷ 99.9
0.1
100 ÷ 999
1
1.00k ÷ 9.99k
10
10.0k ÷ 23.0k
100
Consider accuracy of fault
loop resistance
measurement
The accuracy is valid if mains voltage is stabile during the measurement.
Test current (at 230 V)...................... 6.5 A (10 ms)
Nominal voltage range...................... 30 V ÷ 500 V (45 Hz ÷ 65 Hz)
7.4.2 RCD selected
Fault loop impedance
Measuring range according to EN61557 is 0.46 Ω ÷ 9.99 kΩ.
Measuring range (Ω) Resolution (Ω)
Accuracy
0.00 ÷ 9.99
0.01
10.0 ÷ 99.9
0.1
±(5 % of reading + 10 digits)
100 ÷ 999
1
1.00k ÷ 9.99k
10
± 10 % of reading
Accuracy may be impaired in case of heavy noise on mains voltage
Prospective fault current (calculated value)
Measuring range (A) Resolution (A) Accuracy
0.00 ÷ 9.99
0.01
10.0 ÷ 99.9
0.1
100 ÷ 999
1
1.00k ÷ 9.99k
10
10.0k ÷ 23.0k
100
Consider accuracy of fault
loop resistance
measurement
Nominal voltage range...................... 30 V ÷ 500 V (45 Hz ÷ 65 Hz)
No trip out of RCD.
R, XL values are indicative.
7.5 Line impedance and prospective short-circuit current
Line impedance
Measuring range according to EN61557 is 0.25 Ω ÷ 9.99kΩ.
Measuring range (Ω) Resolution (Ω)
Accuracy
0.00 ÷ 9.99
0.01
10.0 ÷ 99.9
0.1
±(5 % of reading + 5 digits)
100 ÷ 999
1
1.00k ÷ 9.99k
10
± 10 % of reading

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)