| Overrange |
20% on 100 mV, 1 V, 10 V, and 100 V. 1% on 1000 V |
| ADC Linearity (10 V range) |
0.0001% of 10 V range |
| Input Impedance |
100 mV to 10 V Ranges: Selectable: (>10 GΩ or 10 MΩ ±1%) in parallel with <400 pF
100 V to 1000 V Ranges: 10 MΩ ±1% in parallel with <400 pF |
| Input Bias Current |
<50 pA at 23°C |
| Common Mode Current |
<600 nA peak-peak at 50 Hz or 60 Hz |
| Earth Isolation |
500 Vpeak >10 GΩ and <300 pF any terminal to chassis |
| Common Mode Voltage |
500 Vpeak LO terminal to chassis maximum |
| Autozero Off Error |
Add ±(0.0002% of range + 3 μV) within ±1°C and ≤10 minutes since last autozero
Add ±(0.0010% of range + 10 μV) within ±5°C and ≤60 minutes since last autozero |
| Input Protection |
Input HI 1100 V, Sense HI (SHI) and Sense LO (SLO) 350 V referenced to LO |
| Overrange |
20% on all ranges |
| Autozero Off Error |
Add ±(0.0005% of range + 5 mΩ) within ±1°C and ≤10 minutes since last autozero
Add ±(0.0020% of range + 10 mΩ) within ±5°C and ≤60 minutes since last autozero |
| Offset Compensation |
Selectable on 1 Ω, 10 Ω, 100 Ω, 1 k Ω, and 10 kΩ ranges, 4-wire mode only |
| Maximum 4-wire Lead Resistance |
5 Ω per lead for 1 Ω range
10% of range per lead for 10 Ω, 100 Ω, 1 kΩ, and 10 kΩ ranges
1 kΩ per lead for 100 kΩ, 1 MΩ, 10 MΩ, and 100 MΩ |
| Open Lead Detector |
Selectable on all ranges, 4-wire mode only; default is off. |
| Input Protection |
Input HI 1100 V, Sense HI (SHI) and Sense LO (SLO) 350 V referenced to LO |
| Overrange |
20% on 10 μA, 100 μA, 1 mA, 10 mA, 100 mA, and 1 A ranges
1% on 3 A and 10 A ranges |
| Terminal Input Protection |
Externally accessible 3 A, 250 V fast-acting fuse, 5 × 20 mm
Keithley replacement part number FU-99-1
Externally accessible 11 A and 1000 V fuse
Keithley replacement part number (11A) 159-0583-00 |
| Autozero Off Error |
Add ±0.004% of range within ±1°C and ≤10 minutes since last autozero
Add ±0.015% of range within ±5°C and ≤60 minutes since last autozero |
| Nominal Shunt Resistance 13 |
10 μA |
100 μA |
1 mA |
10 mA |
100 mA |
1 A |
3 A |
10 A |
| 10 kΩ |
1 kΩ |
100 Ω |
10 Ω |
1 Ω |
100 mΩ |
100 mΩ |
5 mΩ |
| Measurement Rate in NPLC |
Digits |
DCI RMS Noise Uncertainty (in % of range + fixed base) |
| 5 |
6.5 |
0 |
| 1 |
6.5 |
0 |
| 0.1 15 |
6.5 |
0.0009 + 10.0 pA |
| 0.1 |
5.5 |
0.0015 + 5.0 nA |
| 0.01 |
5.5 |
0.0030 + 5.0 nA |
| 0.0005 |
4.5 |
0.0200 + 5.0 nA |
| Overrange (voltages in VRMS) |
20% on 100 mV, 1 V, 10 V, and 100 V ranges. 0% for 750 V range |
| AC Measurement Method |
AC-coupled digital sampling with anti-alias filter |
| Crest Factor (excludes sine wave) |
Crest factors of up to 3:1 at full-scale input or 10:1 maximum, whichever is greater.
Autorange selects optimum range for crest factor up to 10:1.Accuracy specifications apply to all crest factors and are limited to a product of (crest factor) × (fundamental frequency) ≤ 3 kHz. |
| Volt*Hertz Product |
≤8 × 10 7 V*Hz20 |
| Common Mode Rejection Ratio |
>70 dB, for 1 kΩ unbalance in LO lead |
| Detector Bandwidth |
Setting of 3 Hz, 30 Hz, or 300 Hz sets maximum measurement aperture of 200 ms, 20 ms, or 2 ms, respectively; only signals with frequency greater than the detector bandwidth are measured. |
| Input Impedance |
1.1 MΩ ±2%, in parallel with <100 pF |
| Input Protection |
1100 Vpeak |
| Maximum DCV |
400 V on any ACV range |
| ACV Frequency |
Frequency reading automatically returned in reading buffer when in full buffer mode.
Frequency readings are specified as in the frequency and period table. |
| Overrange |
20% on 100 μA, 1 mA, 10 mA, 100 mA, and 1 A ranges 1% on 3 A and 10 A ranges |
| AC Measurement Type |
AC-coupled True RMS; measures the AC component of the input Digital sampling with anti-alias filter |
| Crest Factor (excludes sine wave) |
Crest factors of up to 3:1 at full-scale input or 10:1 maximum, whichever is greater.
Autorange selects optimum range for crest factor up to 10:1.Accuracy specifications apply to all crest factors and are limited to a product of (crest factor) × (fundamental frequency) ≤ 3 kHz. |
| Crest Factor 25 (excludes sine wave) |
10:1 maximum crest factor (1.75:1 at full-scale)
Autorange selects optimum range for crest factor up to 10:1
Accuracy specifications apply to all crest factors less than 5 and are limited to the product of (crest
factor) × (fundamental frequency) ≤ 200 Hz. |
| ACI Frequency |
Frequency readings are automatically returned in the reading buffer when in full buffer mode.
Frequency values are typical. |
| Nominal Shunt Resistance 26 |
100 μA: 1 kΩ, 1 mA: 100 Ω, 10 mA: 10 Ω, 100 mA: 1 Ω, 1 A: 100 mΩ, 3 A: 100 mΩ, 10 A: 5 mΩ |
| Measurement Method |
Reciprocal-counting technique; measurement is AC-coupled using AC measurement functions. |
| Voltage Ranges |
100 mVRMS full scale to 750 VRMS; auto or manual ranging. |
| Gate Time |
User definable from 2 ms to 273 ms (default 200 ms) |
| Overrange |
20% on all ranges. |
| Measurement Method |
Constant current slope measurement. |
| Maximum Voltage and Voltage Clamp |
For all devices: Clamped by hardware to <3 V. |
| Maximum Resolution |
16 bits |
| Measurement Input Coupling |
DC coupled |
| Sampling Rate |
Programmable 1 k through 1 MS/s |
| Minimum Record Time |
1 μs |
| Maximum Record Length (Volatile) |
Up to 7 million with standard buffer (includes channel and formatting information) |
| DC Voltage Ratio Calculation 35 |
Method |
Measurement |
| Channel Ratio (through rear input scanner card) |
Accuracy = (Accuracy of channel A measure range + Accuracy of channel B measure range) × Channel ratio |
| Channel Average (through rear input scanner card) |
Accuracy = Accuracy of channel A measure range + Accuracy of paired channel B measure range |
| DCV Input Ratio (HI-LO/SHI–SLO) 36 |
Accuracy = Accuracy of channel A measure range + Accuracy of paired channel B measure range |
| Trigger Sources |
Front panel trigger key, timer, command interface, LAN/LXI, Trigger In (BNC rear panel), Digital I/O (optional accessory card), and TSP-Link® (optional accessory card) |
| External Trigger Delay |
<1 μs when triggering from accessory card or rear BNC input |
| External Trigger Jitter |
<1 μs when triggering from accessory card or rear BNC input |
| External Trigger In/Trigger Out |
0 V to 5 V logic signal input and output, TTL-compatible, programmable edge pulse Minimum pulse width: 1 μs |
| External Trigger Out, Maximum Rate |
Up to 90 kHz, measurement dependent |
| External Trigger In, Maximum Rate |
Up to 150 kHz, measurement dependent |
| Scan Count |
1 to continuous |
| Scan Interval |
0 s to 27.7 hours |
| Channel Delay |
0 to 60 s |
| Measure Interval |
0 s to 27.7 hours |
| Maximum Reading Memory (volatile) |
Up to 7 million readings with standard buffer (includes channel and formatting information). |
| Internal (non-volatile) Memory for Saved Scripts and Scan Configurations |
6 MB, enables hundreds of scan configurations or TSP scripts to be saved in non-volatile memory. |
| Power Supply |
100 V, 120 V, 220 V, and 240 V (±10%) |
| Power Line Frequency |
50 Hz to 60 Hz and 400 Hz, automatically sensed at power-up |
| Maximum Power Consumption |
50 VA |
| Typical Power Consumption |
30 VA |
| Mains Input Fuse |
250 V, 1.25 A slow-blow fuse: Keithley replacement part number FU-106-1.25 |
| Operating Environment |
Specified for 0° to 50°C, ≤80% relative humidity at 35°C, altitude up to 2000 meters |
| Storage Environment |
–40° to 70°C |
| Vibration |
MIL-PRF-28800F Class 3, random |
| Warm-up |
30 minutes to rated accuracy |
| Safety |
NRTL listed to UL61010-1, and CSA C22.2 No 61010-1; conforms with European Union Low Voltage Directive |
| EMC |
Conforms to European Union EMC Directive |
| Display |
12.7 cm (5 in.) capacitive touch, color TFT WVGA (800 × 480) with LED backlight |
| Rack Dimensions (W × H × D) |
213.8 mm (8.42 in.) × 88.4 mm (3.48 in.) × 356.6 mm (14.04 in.) |
| Bench Dimensions (W × H × D) |
224.0 mm (8.82 in.) × 107.2 mm (4.22 in) × 387.4 mm (15.25 in.) |
| Shipping Weight |
4.54 kg (10.0 lb.) instrument only |
| Input Signal Connections |
Front/rear safety banana jacks or scanner cards |
| Plug-in Scanner Slot |
One slot on rear panel, see Optional Multi-Channel/Scanner Accessories. |
| Communication Slot |
One slot on rear panel, see Optional Interfaces And Programmable Digital I/O. |
| Cooling |
Forced air, fixed speed |
| LAN/LXI Compliance |
RJ-45 Connector: 10/100BT. IP Configuration: Static or DHCP (manual or automatic).
Web Interface: Virtual front panel. LXI Compliance: 1.5 LXI Device Specification 2016. |
| USB Device (rear panel, Type B) |
2.0 full speed, USBTMC compliant |
| USB Host (front panel, Type A) |
USB 2.0, support for flash drives, FAT32. Capability: Import/export instrument configuration files, reading
buffers, screen captures, and scripts |
| SCPI (default) |
Default command set, Standard Commands for Programmable Instruments, SCPI-1999 |
| TSP |
Embedded Test Script Processor (TSP) accessible from any host interface; responds to high-speed test scripts comprised of remote commands and statements (for example, branching, looping, and math); able to execute test scripts stored in memory without host intervention |
| Emulation Modes |
Keithley Model 2000 and 34401A |
| Math Functions |
REL, Minimum, Maximum, Average, Standard Deviation, peak-peak, dB, Limit Test, Percent, 1/x, and mX+b with user- defined units displayed |
| Real-time Clock |
Lithium battery backup, CR2032 coin-type, factory replaceable, (3+ years of battery life); set and read year, month, day, hour, minute, and second. (Note: Seconds are not adjustable.) |
| Timestamp Resolution |
15 ns with standard or full buffer style |
| Password Protection |
30 characters |
| Alarms |
Up to six: see Optional Interfaces and Programmable Digital I/O |
| Power Failure Recovery Mode |
User selectable, resumes scanning once power is re-applied |