Keithley 181 Digital Nanovoltmeter
Features:
-
10nV sensitivity
-
10nV/°C stability
-
Analog output
-
6½-digit resolution
-
Fully programmable
-
Standard IEEE-488 interface
-
Pushbutton zero
Specifications:
|
Display |
Seven 0.5" LED digits with appropriate decimal point and polarity |
|
Input Capacitance |
5000pF on mV ranges |
|
Settling Time |
0.5s to within 25 counts of final reading with Filter on, Damping off |
|
Filter |
3-pole digital; RC = 0.5, 1, or 2 seconds depending on range |
|
Conversion Speed |
4 readings/second |
|
Analog Output |
Accuracy: ± (0.15% of diplayed reading = 1mV). Time Constant: 400ms Level: +2V full scale on all ranges; x1 or x1000 gain. |
|
Overload Indication |
Display indicates polarity and OFLO |
|
Analog Output |
±2V full scale on all ranges |
|
Isolation |
Input LO to Output LO or power line ground: 1400V peak |
|
Input Connectors |
Special low thermal for 200mV and lower ranges. Binding posts for 2V to 1000V ranges |
DC Volts
|
vRange |
5½-Digit Resolution |
|
2 mV |
10 nV |
|
20 mV |
100 nV |
|
200 mV |
1 µV |
|
2 V |
10 µV |
|
20 V |
100 µV |
|
200 V |
1 mV |
|
1000 V |
10 mV |