The Keithley 2001 is a high-performance 7.5-digit digital multimeter designed for precision testing and measurement. Featuring a true 28-bit A-to-D converter, it delivers exceptional resolution without the need for averaging, ensuring high-speed measurement integrity. Uniquely equipped with an internal peak detector, it can capture transients and spikes down to 1 µs without requiring a separate oscilloscope.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | IEEE-488.2 (GPIB) |
| Display | Multi-line Vacuum Fluorescent Display (VFD) |
| Warm-Up Time | 2 hours to rated accuracy |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 90V to 134V or 180V to 250V, 50Hz/60Hz/400Hz, 50VA max |
| Operating Temperature | 0 to +50 |
| Dimensions (W×H×D) | 214 × 90 × 369 |
| Weight | 4.2 |
| Input Terminals | Selectable Front and Rear panel inputs |
General Characteristics
| Parameter | Value |
|---|---|
| Resolution (Digits) | 7.5 |
| A/D Converter | 28-bit |
| Primary Measurement Functions | DC/AC Voltage, DC/AC Current, 2-Wire/4-Wire Resistance, Frequency, Period, Peak Spikes |
DC Voltage
| Parameter | Value |
|---|---|
| Measurement Ranges | 200 mV, 2 V, 20 V, 200 V, 1000 V |
| Maximum Input Voltage | 1000 V |
| Single-Range Dynamic Range | 1 µV to 20 V |
| Input Impedance | > 10 GΩ (200 mV to 20 V ranges) |
DC Current
| Parameter | Value |
|---|---|
| Maximum Input Current | 2 A |
Frequency and Period
| Parameter | Value |
|---|---|
| Frequency Range | 1 Hz to 15 MHz |
Peak Detector Capabilities
| Parameter | Value |
|---|---|
| Minimum Spike Duration (Single) | 1 µs |
| Maximum Frequency (Repetitive Spikes) | 1 MHz |
Measurement Speed and Timing
| Parameter | Value |
|---|---|
| Maximum Reading Rate (Readings/Sec) | 2000 (at 4.5 digits) |
Connectivity and Interfaces
| Parameter | Value |
|---|---|
| Programming Languages / Command Sets | SCPI |
| Scanner / Multiplexer Card Slots | Built-in 10-channel scanner option available |
Environmental
| Parameter | Value |
|---|---|
| Storage Temperature | -40°C to +70°C |
| Operating Humidity | 80% RH up to 35°C, 70% RH up to 50°C |
Performance
| Parameter | Value |
|---|---|
| DCV Common Mode Rejection Ratio (CMRR) | > 140 dB (at DC, 50Hz, or 60Hz, with 1 kΩ unbalance) |
| DCV Normal Mode Rejection Ratio (NMRR) | > 60 dB (at 50Hz or 60Hz) |
Inputs & Outputs
| Parameter | Value |
|---|---|
| External Trigger Input | TTL compatible, negative going edge |
| Voltmeter Complete Output | TTL compatible, negative going pulse |
Measurement Capabilities
| Parameter | Value |
|---|---|
| Resistance Measurement | 2-wire and 4-wire (with offset compensation) |
| Resistance Ranges | 20 Ω to 1 GΩ |
| DC Current Ranges | 200 µA to 2 A |
| AC Current Ranges | 200 µA to 2 A |
| AC Voltage Bandwidth | 1 Hz to 2 MHz |
| AC Voltage Measurement Types | AC-coupled True RMS, AC+DC True RMS |
| AC Crest Factor | Up to 5:1 at full scale |
Features
| Parameter | Value |
|---|---|
| Math Functions | mX+b, percent, limit testing, MIN/MAX/AVG, dB, dBm |
| Filter Types | Moving average, repeating average |
Technology
Digital Multimeter
Applications
Precision test systems, benchtop measurement, transient and spike detection, general purpose metrology