Keithley 2182 Nanovoltmeter

Introducing the Keithley 2182 Nanovoltmeter, a cutting-edge two-channel device meticulously designed for stable, low noise voltage measurements. This instrument excels in characterizing low resistance materials and devices with unmatched reliability and repeatability. With a measurement speed that outpaces many alternatives, the Keithley 2182 ensures superior noise performance in various applications.

Key Features and Specifications:

• Exceptional Low Noise Performance: Achieve 15nV p-p noise at a 1s response time and 40-50nV p-p noise at 60ms, ensuring high-quality measurements even in challenging environments.
• Delta Mode Capability: Coordinate measurements using a reversing current source up to 8Hz, achieving a typical noise level of 30nV p-p for individual readings while averaging multiple readings for exceptional noise reduction.
• Line Synchronization: Benefit from an impressive 110dB NMRR to minimize the effects of AC common-mode currents, enhancing measurement accuracy.
• Dual Channel Versatility: The dual channels enable measurement of voltage, temperature, or the ratio of an unknown resistance to a reference resistor, providing flexibility for various test scenarios.
• Thermocouple Support: Equipped with built-in thermocouple linearization and cold reference junction compensation for accurate temperature readings.
• Flexible Speed/Noise Optimization:
  • Effortlessly choose the optimal speed/filter combination suited to your application’s response time and noise criteria.
  • Select from a comprehensive range of response times to precisely tailor the speed/noise trade-offs.
  • Maintain low noise levels across an extensive spectrum of useful response times, allowing for consistent precision.

Application Areas:

Metrology:

• Merge the accuracy of a digital multimeter with low noise at high speeds, making the Keithley 2182 the go-to choice for high-precision metrology applications.
• Utilize its low noise, extensive signal observation time, fast measurement rates, and 2ppm accuracy for cost-effective voltage standard intercomparisons and direct resistance measurements.

Nanotechnology:

• When paired with the Model 622X current source or Series 2400 SourceMeter® instruments, the Keithley 2182 provides an incredibly accurate and repeatable solution for measuring resistances in carbon nanotube-based materials and silicon nanowires.

Research Applications:

• Its remarkable 1nV sensitivity, advanced thermoelectric EMF cancellation, true voltage display, calculation capabilities, and high measurement speed make it an ideal device for analyzing the characteristics of various materials including metals, low resistance filled plastics, and both high and low temperature superconductors.