METREL MI 3205 - 8 Technical Specifications

MI 3205 TeraOhm XA 5kV Technical specifications
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8 Technical specifications
Nominal test voltage range ........................ 50 V  5 kV
Voltage step .............................................. 50 V (50 V – 1 kV) and 100 V (1 kV  5 kV)
Voltage output accuracy ............................. -0%, +10%  10 V @ 100 M load
Current capability of test generator ................ > 1 mA
Short circuit / charge current .......................... > 6 mA
Charging rate for capacitive load .................... < 2 s / µF at 5 kV (battery or mains)
Automatic discharge ....................................... yes
Discharging rate for capacitive load ............... < 0,120 s / µF at 5 kV
Discharging resistance ................................... 24,6 k  10 %
Bar graph range ............................................. 0  1 T (logarithmic scale)
Guard resistance ............................................ 400 k  5 %
Input AC current noise rejection ..................... 1 mA @ 300 V (4 mA max)
Additional filtering options .............................. Off, 5s, 10s, 30s, 60s (Moving Average)
Resistance
Measuring range (

) Resolution (

)
Accuracy
0.01  9.99 M
10 k
(5 % of reading + 3 digits)
10.0  99.9 M
100 k
100  999 M
1 M
1.00  9.99 G
10 M
10.0  99.9 G
100 M
100  999 G
1 G
1.0  9.9 T
100 G
(15 % of reading + 1 digits)
10  15 T
1 T
Table 8.1: Resistance measurement ranges and accuracy (5 kV)
Notes:
 Full-scale value of resistance (R
FS
) depends on nominal test voltage (U
N
) and is
defined according to the following equation:




VUV
N
FS
R
 /10*3
9
 Accuracy versus full-scale resistance is defined in table below:
Measuring range ()
Accuracy
15
FS
R
R 
(5 % of reading + 3 digits)
FS
FS
RR
R

15
(15 % of reading + 1 digits)