Keithley 2182A Multimeter

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The Keithley 2182A Multimeter is a 2-channel nanovoltmeter used to test AC or DC voltage, resistance, RF, electric current and more. Keithley 2182A multimeters are optimized for performing stable, low noise voltage measurements and for characterizing low resistance materials and devices reliably and repeatably. The 2182A provides higher measurement speed and significantly better noise performance than alternative low voltage measurement solutions. This model offers pulse capability, lower measurement noise, faster current reversals and a simplified delta mode for making resistance measurements in combination with a reversing current source.

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Features

Make low noise measurements at high speeds, typically just 15nV p-p noise at 1s response time, 40–50nV p-p noise at 60ms
Delta mode coordinates measurements with a reversing current source at up to 24Hz with 30nV p-p noise (typical) for one reading; averages multiple readings for greater noise reduction
Synchronization to line provides 110dB NMRR and minimizes the effect of AC common-mode currents
Dual channels support measuring voltage, temperature, or the ratio of an unknown resistance to a reference resistor
Built-in thermocouple linearization and cold junction compensation

Specifications

Measurement Characteristics
A/D Linearity	± (0.8ppm of reading + 0.5ppm of range)
Front Auto Zero Off Error	10mV–10V: Add ±(8ppm of range + 500μV) for <10 minutes and ±1°C. NOTE: Offset voltage error does not apply for Delta Mode.
Auto Zero Off Error	10mV: Add ±(8ppm of range + 100nV) for <10 minutes and ±1°C. 100mV–100V: Add ±(8ppm of range + 10μV) for <10 minutes and ±1°C. NOTE: Offset voltage error does not apply for Delta Mode.
Input Impedance	10mV–10V: >10GW, in parallel with <1.5nF (Front Filter ON). 10mV–10V: >10GW, in parallel with <0.5nF (Front Filter OFF). 100V: 10MW ±1%
DC Input Bias Current	<60pA DC at 23°C, –10V to 5V. <120pA @ 23°C, 5V to 10V
Common Mode Current	<50nA p-p at 50Hz or 60Hz
Input Protection	150V peak to any terminal. 70V peak Channel 1 LO to Channel 2 LO.
Channel Isolation	>10GW
Earth Isolation	350V peak, >10GW and <150pF any terminal to earth. Add 35pF/ft with Model 2107 Low Thermal Input Cable
General
Power Supply	100V/120V/220V/240V.
Line Frequency	50Hz, 60Hz, and 400Hz, automatically sensed at power-up
Power Consumption	22VA.
Magnetic Field Density	10mV range 4.0s response noise tested to 500 gauss.
Operating Environment	Specified for 0° to 50°C. Specified to 80% RH at 35°C.
Storage Environment	–40° to 70°C.
EMC	Complies with European Union Directive 89/336/EEC (CE marking requirement), FCC part 15 class B, CISPR 11, IEC 801-2, IEC-801-3, IEC 801-4.
Safety	Complies with European Union Directive 73/23/EEC (low voltage directive); meets EN61010-1 safety standard. Installation category I.
Vibration	MIL-T-28800E Type III, Class 5.
Warm-Up	2.5 hours to rated accuracy
Dimensions	Rack Mounting: 89mm high × 213mm wide × 370mm deep (3.5 in × 8.375 in × 14.563 in). Bench Configuration (with handles and feet): 104mm high × 238mm wide × 370mm deep (4.125 in × 9.375 in ×14.563 in).
Shipping Weight	5kg (11 lbs).

Applications

Research
- Determining the transition temperature of superconductive materials
- I-V characterization of a material at a specific temperature
- Calorimetry
- Differential thermometry
- Superconductivity
- Nanomaterials
Metrology
- Intercomparisons of standard cells
- Null meter for resistance bridge measurements

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Keithley 2182A Multimeter

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