2mV-1kV FS Nanovoltmeter, 10nV Sensitivity
Keithley 181 Features
- 10nV sensitivity
- 10nV/°C stability
- Analog output
- 6½-digit resolution
- Fully programmable
- Standard IEEE-488 interface
- Push-button zero
Keithley 181 Specs
| 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 displayed 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 |