The Keithley 2000 is a high-performance 6.5-digit digital multimeter that combines broad measurement ranges with exceptional speed and accuracy. Featuring a built-in 1024-reading memory buffer and an expansion slot for optional 20-channel multiplexer cards, it is an ideal choice for both precise benchtop troubleshooting and high-throughput automated measurement applications.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | GPIB (IEEE-488), RS-232 |
| Display | Vacuum Fluorescent Display (VFD) |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 100 V / 120 V / 220 V / 240 V, 50 Hz / 60 Hz / 400 Hz, 22 VA max |
| Operating Temperature | 0 to 50 |
| Dimensions (W×H×D) | 213 x 89 x 370 mm |
| Weight | 2.9 |
General Characteristics
| Parameter | Value |
|---|---|
| Maximum Resolution (Digits) | 6.5 |
| Reading Memory (Buffer Size) | 1024 readings |
| Supported Measurement Functions | DC Voltage, AC Voltage, DC Current, AC Current, 2-Wire Resistance, 4-Wire Resistance, Frequency, Period, Temperature, Diode, Continuity |
| Warm-up Time | 1 hour to rated accuracy |
DC Voltage
| Parameter | Value |
|---|---|
| Measurement Ranges | 100 mV, 1 V, 10 V, 100 V, 1000 V |
| Maximum Resolution | 100 nV |
| Accuracy (90 Days) | 0.002% (basic) |
| Maximum Input Voltage | 1000 V DC |
| Input Impedance (100 mV to 10 V ranges) | >10 GΩ |
| Input Impedance (100 V to 1000 V ranges) | 10 MΩ ±1% |
| Input Bias Current | < 30 pA at 25°C |
AC Voltage
| Parameter | Value |
|---|---|
| Frequency Range | 3 Hz to 300 kHz |
| Measurement Technique | True RMS |
DC Current
| Parameter | Value |
|---|---|
| Maximum Input Current | 3 A |
Resistance
| Parameter | Value |
|---|---|
| Measurement Types (2-Wire / 4-Wire) | 2-Wire, 4-Wire |
Frequency and Period
| Parameter | Value |
|---|---|
| Period Range | 333 ms to 2 µs |
Temperature Measurement
| Parameter | Value |
|---|---|
| Supported Thermocouple Types | J, K, T (Requires external CJC or scanner card with CJC) |
System Speeds and Measurement Rates
| Parameter | Value |
|---|---|
| Maximum Readings per Second (To Memory) | 2000 rdgs/s (at 4.5 digits) |
| Maximum Readings per Second (To Interface) | 50 rdgs/s (at 6.5 digits via IEEE-488) |
Math and Triggering
| Parameter | Value |
|---|---|
| Mathematical Operations | REL, Min/Max/Average/StdDev, dB, dBm, Limit Test, %, mX+b |
Interfaces and Expansion
| Parameter | Value |
|---|---|
| Emulation Modes | SCPI, Keithley 199, Fluke 8840A, Fluke 8842A |
Environmental and Compliance
| Parameter | Value |
|---|---|
| Storage Temperature Range | -40 °C to 70 °C |
Physical Characteristics
| Parameter | Value |
|---|---|
| Rack Mount Compatibility | Half-rack, 2U |
Performance
| Parameter | Value |
|---|---|
| Common Mode Rejection Ratio (CMRR) | 140 dB (DC, 1 kΩ unbalance in LO lead) |
| Normal Mode Rejection Ratio (NMRR) | 60 dB (for 1 NPLC or greater) |
Diode Test
| Parameter | Value |
|---|---|
| Diode Test Current | 1 mA |
Continuity
| Parameter | Value |
|---|---|
| Continuity Threshold | Adjustable from 1 Ω to 1000 Ω |
Power
| Parameter | Value |
|---|---|
| Power Consumption | 22 VA maximum |
Environmental
| Parameter | Value |
|---|---|
| Operating Humidity | 80% RH up to 35°C, 70% RH up to 50°C (non-condensing) |
| Maximum Operating Altitude | 2000 m |
| Pollution Degree | 2 |
Measurement Configuration
| Parameter | Value |
|---|---|
| Maximum Common Mode Voltage | 500V peak |
| Integration Time Settings | 0.01, 0.1, 1, 10 Power Line Cycles (PLC) |
Voltage Measurement
| Parameter | Value |
|---|---|
| AC Input Impedance | 1 MΩ ±2% shunted by < 100 pF |
| Crest Factor (AC) | 3:1 at full scale |
Current Measurement
| Parameter | Value |
|---|---|
| Input Protection (Current) | 3A, 250V fast-blow fuse |
Technology
Digital Multimeter (DMM)
Applications
Benchtop & System Test