METREL EurotestCOMBO MI 3125 User Manual

MI 3125 / BT EurotestCOMBO Technical specifications
70
321 V  266 V (45 Hz  65 Hz)
Voltage drop (calculated value)
Measuring range (%)
Resolution (%)
Accuracy
0.0  99.9
0.1
Consider accuracy of line
impedance
measurement(s)*
Z
REF
measuring range……………………… 0.00 Ω  20.0 Ω
*See chapter 5.6.2 Voltage drop for more information about calculation of voltage drop
result.
9.6 Resistance to earth
Measuring range according to EN61557-5 is 2.00   9999 .
Measuring range ()
Resolution ()
Accuracy
0.00  19.99
0.01
(5% of reading + 5 digits)
20.0  199.9
0.1
200  9999
1
Max. auxiliary earth electrode resistance R
C
... 100R
E
or 50 k (whichever is lower)
Max. probe resistance R
P
................................ 100R
E
or 50 k (whichever is lower)
Additional probe resistance error at R
Cmax
or R
Pmax.
(10 % of reading + 10 digits)
Additional error
at 3 V voltage noise (50 Hz) ............................ (5 % of reading + 10 digits)
Open circuit voltage ......................................... < 15 VAC
Short circuit current .......................................... < 30 mA
Test voltage frequency .................................... 125 Hz
Test voltage shape .......................................... sinusoidal
Noise voltage indication threshold ................... 1 V (< 50 , worst case)
Automatic measurement of auxiliary electrode resistance and probe resistance.
Automatic measurement of voltage noise.
9.7 Voltage, frequency, and phase rotation
9.7.1 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

METREL EurotestCOMBO MI 3125 Specifications

General

Brand	METREL
Model	EurotestCOMBO MI 3125
Category	Measuring Instruments
Language	English