METREL MI 3290 - Ω - Meter (7 Ma)

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 reading + 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]
Idc [mA]