ADInstruments AD2821A Operation Manual page 52

AD2821A OPERATION MANUAL
3. Range Setup:
r, s and AUTO keys are used to set the measurement
range. AUTO key toggles ranging mode between "Auto"
and "Hold". r and s keys are used to increase or
decrease the measurement range, if the current ranging
mode is "Auto", then the ranging mode is changed to
"Hold" at the same time.
G
Note：
When ranging mode is set to HOLD, the measurement
range is fixed at current range. Overload symbol "-----" will
be displayed if the impedance under test exceeds the
current effective measurement range or display range.
Range Range
No. Resistor
0
100kΩ
1
10kΩ
2
1kΩ
3
100Ω
4
20Ω
Table 4-2 Ranges
Range Range
Up Down
é ê
20kΩ 18kΩ
é ê
2kΩ 1.8kΩ
é ê
200Ω 180Ω
é ê
20Ω 18Ω
é ê
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