Keithley Ultra-low Voltage Measurements

Keithley Ultra-low Voltage Measurements

The two-channel Model 2182A Nanovoltmeter is optimized for making stable, low noise voltage measurements and for characterizing low resistance materials and devices reliably and repeatably. It provides higher measurement speed and significantly better noise performance than alternative low voltage measurement solutions. It offers a simplified delta mode for making resistance measurements in combination with a reversing current source, such as the Model 6220 or 6221.

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Keithley Nanovoltmeter Model 2182A

Features

Benefits

1nV sensitivity Provides accurate, ultra-low voltage measurements.
Typically just 15nVp-p noise at 1s response time, 40–50nV p-p noise at 60ms Ensures low noise levels over a wide range of useful response times.
Dual channels   Supports measuring voltage, temperature, or the ratio of an unknown resistance to a reference resistor.
Measurement cycle is synchronized to the power line AC cycle   Minimizes variations due to readings that begin at different phases of the line cycle. The result is exceptionally high immunity to line interference with little or no shielding and filtering required.
Built-in thermocouple linearization and cold junction compensation Simplifies making accurate temperature measurements.
Internal polarity reversal measurement technique Eliminates thermal error sources.
Optimized for use with Model 6220/6221 current sources Allows both instruments to be operated like a single instrument when making differential conductance, pulsed, and resistance measurements.
Delta mode current reversal measurement technique when combined with the 6220 or 6221   Enables resistance measurements down to 10nΩ.
2182A/6221 combination synchronizes signal pulses and measurements Minimizes the amount of power dissipated into a temperature-sensitive DUT.

Models

Model Voltage Temperature Resistance Number of Channels Buffer Size List Price
2182A 1nV - 100V 1nV - 100V -200°C - 1820°C 10nΩ to 200MΩ (requires 6220 or 6221) 2 1,024rdgs
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Configure & Quote
Model 2182A
VoltageTemperatureResistance
1nV - 100V-200°C - 1820°C10nΩ to 200MΩ (requires 6220 or 6221)
Number of ChannelsVoltageBuffer Size
21nV - 100V1,024rdgs
Model Voltage Temperature Resistance Number of Channels Buffer Size List Price
2182A 1nV - 100V 1nV - 100V -200°C - 1820°C 10nΩ to 200MΩ (requires 6220 or 6221) 2 1,024rdgs
-
Configure & Quote
Model 2182A
VoltageTemperatureResistance
1nV - 100V-200°C - 1820°C10nΩ to 200MΩ (requires 6220 or 6221)
Number of ChannelsVoltageBuffer Size
21nV - 100V1,024rdgs
Data SheetAccessoryDescription
2000-BENCHKIT MULTI MODEL BENCH CONVERSION KIT
2107-30 LOW THERMAL INPUT CABLE
2107-4 LOW THERMAL INPUT CABLE
2107-50 LOW THERMAL CABLE, 50FT, (15M)
2182-KIT LOW THERMAL CONNECTOR KIT
2188 LOW THERMAL SHORTING PLUG
4288-1 SINGLE FIXED RACK MOUNTING KIT
4288-2 DUAL FIXED RACK MOUNTING KIT
4288-5 RACK KIT
7009-5 5 FT. SHIELDED RS-232 CABLE
Models 2182 and 2182A Nanovoltmeter User's Manual
Model 2182 and 2182A Nanovoltmeter User's Manual
Part number: 2182A-900-01B
Primary User
2182A-C08 Firmware Release Package
Model 2182A Version C08 Firmware. Contains the 2182A-C08.x firmware image for use with Flash Wizard to upgrade a 2182A Instrument. Customer release notes are also included.
Part number: 2182A-FRP-C08
Firmware
Model 4299-7 Fixed Rack-Mount Kit Assembly and Mounting Instructions
Model 4299-7 Fixed Rack Mounting Kit Assembly and Mounting Instructions
Part number: PA-1065D
User
Keithley Instrumentation for Electrochemical Test Methods and Applications
This application note discusses a variety of electrochemical applications, including voltammetry, low and high resistivity measurements, battery test, potentiometry, electrodeposition, electrical device characterization, and other tests that involve…
Literature number: 1KW-60158-1
Application Note 25 Apr 2018
Model 2182A Instrument Specifications
This document contains specifications and supplemental information for the Model 2182A Nanovoltmeter. Specifications are the standards against which the 2182A is tested. Upon leaving the factory, the 2182A meets these specifications. Supplemental and…
Literature number: SPEC-2182A Rev. F
Specification 10 Oct 2017
Models 2182/2182A Nanovoltmeter Quick Reference Guide, Rev. A
Model 2182/2182A Nanovoltmeter Quick Reference Guide, Rev. A
Part number: 2182A-903-01A
Primary User
If you have a bent coax cable, but it is not being moved, can it still generate current?
FAQ ID: 70471 09 Aug 2017
Why do physical movements of cables create hundreds of picoamps of current?
FAQ ID: 70526 09 Aug 2017
Troubleshooting: How do I limit ground loops?
FAQ ID: 70556 09 Aug 2017
Ohms: Which products are recommended for measuring in the range of 2 - 50 micro-ohms?
FAQ ID: 70821 09 Aug 2017
Specs: How Can I Apply an Accuracy Specification on a Data Sheet to my Specific Measurement?
FAQ ID: 69826 09 Aug 2017
Amps: Which current source do you recommend to use with the Model 2182 Nanovoltmeter?
FAQ ID: 71001 09 Aug 2017
Remote Operation: Front panel push buttons do not work when operating in DDC mode?
FAQ ID: 70036 09 Aug 2017
Specs: What is CMRR (Common Mode Rejection Ratio)?
FAQ ID: 71006 09 Aug 2017
Ohms: What kind of connections are recommended for a low resistance measurement?
FAQ ID: 70191 09 Aug 2017
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