METREL MI 3125 - Line Impedance Measurement Specs; Socket Test and Phase Rotation Specs

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)