METREL MI 3125 User Manual

MI 3125 EurotestCOMBO Technical specification
53
Prospective short-circuit current (calculated value)
Measuring range (A) Resolution (A) Accuracy
0.00 ÷ 0.99
0.01
1.0 ÷ 99.9
0.1
100 ÷ 999
1
1.00k ÷ 99.99k
10
100k ÷ 199k
1000
Consider accuracy of line
resistance measurement
Test current (at 230 V)...................... 6.5 A (10 ms)
Nominal voltage range...................... 30 V ÷ 500 V (45 Hz ÷ 65 Hz)
R, XL values are indicative.
7.6 Socket test (RLN, RLPE, RNPE, RPE)
Measuring range according to EN61557 is 0.16 Ω ÷ 1999 Ω.
Measuring range R (Ω) Resolution (Ω)
Accuracy
0.00 ÷ 19.99
0.01
±(3 % of reading + 3 digits)
20.0 ÷ 199.9
0.1
200 ÷ 1999
1
±(5 % of reading)
Open-circuit voltage...........................6.5 VDC ÷ 9 VDC
Measuring current..............................min. 200 mA into load resistance of 2 Ω
Test lead compensation.....................up to 5 Ω
The number of possible tests ............> 500, with a fully charged battery
Automatic polarity reversal of the test voltage.
7.7 Voltage, frequency, and phase rotation
7.7.1 Phase rotation
Nominal system voltage range ......... 100 V
AC
÷ 550 V
AC
Nominal frequency range.................. 14 Hz ÷ 500 Hz
Result displayed ............................... 1.2.3 or 3.2.1
7.7.2 Voltage
Measuring range (V) Resolution (V) Accuracy
0 ÷ 550
1
±(2 % of reading + 2 digits)
Result type........................................ True r.m.s. (trms)
Nominal frequency range.................. 0 Hz, 14 Hz ÷ 500 Hz
7.7.3 Frequency
Measuring range (Hz) Resolution (Hz) Accuracy
0.00 ÷ 9.99
0.01
10.0 ÷ 499.9
0.1
±(0.2 % of reading + 1 digit)

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)