MI 3290 Earth Analyser
Technical specifications
136
15.5.2
Ω - Meter (7mA)
Measurement principle: ............................... Voltage (dc) / Current (dc) measurement
DC Resistance
Measuring range
Resolution
Uncertainty (* See note)
R
0,0
… 199,9
0,1
(3 % of r 2 digits)
200
… 999
1
1,00 k
… 9,99 k
0,01 k
10,0 k
… 19,9 k
0,1 k
Test mode ...................................................... continuous
Open-terminal test voltage ........................... ~20 V
dc
Short-circuit test current ............................... ~7,2 mA
dc
Test current direction .................................... unidirectional
Limit range (R) .............................................. 1
… 15,0 k
(OFF)
Measuring refresh rate .................................. typical 2 s
Test method .................................................. 2-wire
Test lead compensation ................................ yes, up to 5
Automatic range selection ............................ yes
Automatic test of voltage noise .................... yes
* Note:
Uncertainty depends on the correct compensation of the test leads.
Typical test current (7mA) vs Resistance
0,5
1,5
2,5
3,5
4,5
5,5
6,5
7,5
8,5
1
10
100
1000
10000
100000
Rx [Ω]
Id
c
[
m
A
]
