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In summary, the Keithley 2002/MEM2 is an 8.5-digit high-performance digital multimeter that delivers metrology-class accuracy at a fraction of the price of comparable instruments. It is based on the same measurement technology as the 7.5-digit 2001, but extends resolution and accuracy specifications for production test, design verification, and metrology applications where the highest accuracy is critical. The /MEM2 configuration ships with extended 128K reading memory.
The 2002 is used in calibration laboratories, metrology benches, and high-end production test where the resolution and accuracy of an 8.5-digit DMM are required. Common applications include DCV transfer measurements against standard cells, precision resistor characterization, low-frequency AC measurement, and any application where the measurement floor is set by the DMM's own noise and accuracy.
The 2002 uses a single-phase technique for 4-wire ohms measurement, which is twice as fast for a given power-line cycle rate as conventional DMMs. It also eliminates errors caused by changing lead resistance from fast test handlers, and includes built-in open-lead detection that eliminates many production-test problems.
| Specification | Value |
|---|---|
| 200 mV range, 24-hour transfer | ±(3.5 ppm rdg + 3 ppm rng) |
| 2 V range, 24-hour transfer | ±(1.2 ppm rdg + 0.3 ppm rng) |
| 20 V range, 24-hour transfer | ±(1.2 ppm rdg + 0.1 ppm rng) |
| 200 V range, 24-hour transfer | ±(5 ppm rdg + 0.4 ppm rng) |
| 1000 V range, 24-hour transfer | ±(5 ppm rdg + 0.08 ppm rng) |
| Input resistance | >100 GΩ (200 mV to 20 V) |
The 2002 sits in the same metrology tier as the HP/Agilent 3458A and is the standard 8.5-digit Keithley DMM in calibration laboratories. The 3458A emulation mode allows the 2002 to drop into existing 3458A-controlled metrology systems with minimal code change.
| Accessory | Description |
|---|---|
| Model 8605 | High Performance Modular Test Leads |
| Documentation | User's manual |
| Option slot cover | Cover for the rear-panel scanner card option slot |
| Calibration | Full calibration data |
Like the 2001, the 2002 uses a 28-bit A/D and a patented AC measurement circuit that bypasses the prime error-contributing section of conventional RMS converters. The 2002 extends the 2001's resolution by an extra digit, sharpens 4-wire ohms speed and accuracy, and adds support for SPRTs (Standard Platinum Resistance Thermometers) to ITS-90 in addition to thermocouples and 100 Ω platinum RTDs.
| Specification | Value |
|---|---|
| 200 mV / 2 V range, 0.1 to 2 kHz | ±(0.02% rdg + 0.01% rng) |
| 20 V / 200 V range, 2 to 10 kHz | ±(0.04% rdg + 0.015% rng) |
| Bandwidth (typical) | 1 Hz to 2 MHz |
| Crest factor measurement range | 20 Hz to 1 MHz |
| Specification | Value |
|---|---|
| 4-wire ohms range | 20 Ω to 1 GΩ (2-wire) |
| 20 Ω 4W transfer accuracy | ±(5 ppm rdg + 4.5 ppm rng) |
| DC current range | 200 µA to 2 A |
| Frequency counter input | 1 Hz to 15 MHz, ±0.03% rdg |
| Specification | Value |
|---|---|
| Memory | 128K readings (MEM2 configuration) |
| Power | 90 to 134 V and 180 to 250 V universal self-selecting |
| Consumption | <55 VA |
| Operating temperature | 0 to 50 °C |
| Dimensions | 90 mm H × 214 mm W × 369 mm D |
| Weight | <4.2 kg (<9.2 lb) |
| EMC | Conforms to VDE 0871B, IEC 801-2; FCC Part 15 Class B |
| Safety | Conforms to IEC 348, CAN/CSA-C22.2 No. 231, MIL-T-28800E |
The 2002 accepts the same optional plug-in scanner cards as the 2001 (2000-SCAN, 2001-SCAN, 2001-TCSCAN). The scanner card converts the 2002 into a complete scan-and-measure system for up to 10 channels.
This webpage was written by a human with an A.I. "Intern", which may contain errors. Please review the Manufacturer's Data Sheet to verify published specifications. Feedback on this webpage is always welcome — please reach out to your Test Architect at any time for questions or concerns. Thank you, we truly appreciate you being our customer.
Model No
2002/MEM2
Condition
New
Manufacturer
Keithley
Ac voltage
750 V
Dc voltage
1 kV
Resolution
8.5
Type
Bench
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