13
Start up
Table 3-1 Range no., reference Resistance and Range change process
NO.
Reference
Resistance
1 50m
Ω
50m
Ω
500m
5
50
500
5k
200k
Ω
49m
Ω
490m
4.9
49
490
4.9k
49k
Ω
2
500m
3
5
4
50
5
500
6
5k
7
50k
8 200k
Ω
AT511C will choose the fit range to measure according to the following table:
Table 3-2 AT511C Range no., reference Resistance and Range change process
NO.
Reference
Resistance
1
500m
500m
5
50
500
5k
490m
4.9
49
490
4.9k
2
5
3
50
4
500
5
5k
6
50k
Press AUTO key can switch AUTO Range/ Range Hold
Tip
：
Use Manual Range can effectively improve test speed.
If instrument can’t choose suitable Range under status of AOTO Range, please perform clear
zero.
About clear zero operation, please refer to “clear zero” section.
3.6
Clear Zero
To achieve high accuracy measurement, clear zero in necessary.
1
．
Press Clear key the Clearing status and make the test clips short-circuit like the following way
before zeroing.
Figure 3-4 Right way
