Test, Lab, Medical equipment » Multimeters

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Used test instruments

  • Trusted Seller
    Keithley Instruments 2750

    Keithley Instruments 2750

    • Manufacturer: Keithley
    • Model: 2750

    DMM, Data Acquisition, Switching, Dataloggin System, 5 Slots The Keithley 2750â„¢s flexible, five-slot mainframe combines a 61;2-digit, 14-function DMM with support for up to 200 channels of two-pole switching an...

    Cary, NC
  • Trusted Seller
    Keithley Instruments 640

    Keithley Instruments 640

    • Manufacturer: Keithley
    • Model: 640

    640 Electrometer Voltage: 30 µV full scale to 30 V in 13 - 1X and 3X ranges. Coulombs: 2x10-14 FS to 6x10-10. Current: 10-15 A full scale to 10-5 A (3X range). Remote head, battery operation, analog output.

    Cary, NC
  • Trusted Seller
    Keithley Instruments 6522

    Keithley Instruments 6522

    • Manufacturer: Keithley
    • Model: 6522

    Low-Current, High-Impedance Voltage, High-Resistance, 10-Ch Scanner Card (for Model 6517A) The Model 6522 Voltage/Low Current Scanner Card can provide up to ten channels of low-level current, high impedance volta...

    Cary, NC
  • Trusted Seller
    Keithley Instruments 6193

    Keithley Instruments 6193

    • Manufacturer: Keithley
    • Model: 6193

    Meters IEEE interface for Keithley 619

    Cary, NC
  • Trusted Seller
    Keithley Instruments 614

    Keithley Instruments 614

    • Manufacturer: Keithley
    • Model: 614

    Electrometer The 614 Digital Electrometer is a 4 1/2 digit multimeter designed with speed and simplicity of use. It features four functions: current, resistance, voltage and charge measurement. It is capable of d...

    Cary, NC
  • Trusted Seller
    Keithley Instruments 196

    Keithley Instruments 196

    • Manufacturer: Keithley
    • Model: 196

    6.5 Digit Multimeter Measurement Ranges DC Volts 300mV to 300V AC Volts 300mV to 300V W 300W to 300MW DC Amps 300µA to 3A

    Cary, NC
  • Trusted Seller
    Keithley Instruments 175

    Keithley Instruments 175

    • Manufacturer: Keithley
    • Model: 175

    Digital Multimeter 4.5 Digit resolution 0.03% basic DCV accuracy 300kHz -3dB bandwith for ACV measurment Datalogging, Min/Max, Relative, dB, Manual or Autorange LCD display

    Cary, NC
  • Trusted Seller
    Keithley Instruments 192

    Keithley Instruments 192

    • Manufacturer: Keithley
    • Model: 192

    Programmable Digital Multimeter The 192 Digital Multimeter offers the system/bench DMM user practical measurement capability. The unit has 6 1/2-digit resolution. Input resistance is greater than 1Gohm to 20V dc....

    Cary, NC
  • Trusted Seller
    Keithley Instruments 1801

    Keithley Instruments 1801

    • Manufacturer: Keithley
    • Model: 1801

    Nanovolt Preamp Option With just 0.6nV p-p noise, the Keithley Model 1801 Nanovolt Preamp for the Model 2001 and 2002 is the most sensitive room temperature digital nanovoltmeter available. But it's equally suita...

    Cary, NC
  • Trusted Seller
    Keithley Instruments 610A

    Keithley Instruments 610A

    • Manufacturer: Keithley
    • Model: 610

    Meters The Keithley 610A is an Electrometer.

    Cary, NC
  • Trusted Seller
    Keithley Instruments 179A

    Keithley Instruments 179A

    • Manufacturer: Keithley
    • Model: 179A

    Digital Multimeter 4.5 Digits 4.5 Digit LED Display, TRMS AC, HI-LO ohms, 20A RANGE.

    Cary, NC
  • Trusted Seller
    Keithley Instruments 197A

    Keithley Instruments 197A

    • Manufacturer: Keithley
    • Model: 197A

    5.5 Digital Multimeter The Model 197A is a lightweight, portable DMM with a battery pack option. It combines 51/2-digit resolution (on a 220,000-count display) with 1µV, 1nA, 1mO sensitivity. Basic DCV accuracy ...

    Cary, NC
  • Trusted Seller
    Keithley Instruments 2612B

    Keithley Instruments 2612B

    • Manufacturer: Keithley
    • Model: 2612B

    2CH / 10A / 200V / 200W SourceMeter The 2600B Series SourceMeter SMU instruments family of single- and dual-channel models offers the industryâ„¢s widest dynamic range: 10A pulse to 0.1fA and 200V to 100nV. They ...

    Cary, NC
  • Trusted Seller
    VTI Instruments VM9000

    VTI Instruments VM9000

    • Manufacturer: VTI Instruments

    Three Port Single Slot Base Unit VXI Module The award winning VXI Modular Instrumentation Platform (VMIP) provides a level of modularity for instruments that is unmatched in the industry. The VMIP makes a single ...

    Cary, NC
  • Trusted Seller
    Extech Instruments EX520

    Extech Instruments EX520

    • Manufacturer: Extech

    Extech Instruments Multimeters, EX520 Series 1000V Input Protection on All Functions Dual Sensitivity Frequency Functions Large Backlit LCD Diode Open Circuit Voltage of 2.8VDC Auto Power Off with Disable Feature...

    Cary, NC
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Overview

Multimeters are versatile diagnostic tools used to measure electrical properties such as voltage, current, and resistance. They are essential for electricians, engineers, and DIY enthusiasts to troubleshoot and test electrical circuits and equipment. Multimeters come in both analog and digital forms, with digital ones offering more precise readings and additional features.

FAQ

What should I consider when buying a used multimeter?

Check the multimeter for any physical damage, ensure the display is clear and functional, and test its accuracy with known voltage or resistance sources. Additionally, review the specifications to ensure it meets your measurement needs.

How do I ensure the multimeter is shipped safely to my location?

Pack the multimeter securely with cushioning materials, and use a sturdy box. Choose a reliable shipping service and consider insuring the package.

What is the maintenance schedule for a multimeter?

Regularly check the battery and replace it as needed. Clean the probes and the device itself to ensure accurate readings. Periodically calibrate the multimeter according to the manufacturer’s recommendations.