Test, Lab, Medical equipment » Multimeters

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Used test instruments

  • Trusted Seller
    Keithley Instruments 6514

    Keithley Instruments 6514

    • Manufacturer: Keithley
    • Model: 6514

    6514 Programmable Electrometer <1fA noise >200TO input impedance on voltage measurements Charge measurements from 10fC to 20µC High speed - up to 1200 readings/second Interfaces readily with switches, computers,...

    Cary, NC
  • Trusted Seller
    Keithley Instruments 642

    Keithley Instruments 642

    • Manufacturer: Keithley
    • Model: 642

    642 Digital Electrometer The Keithley 642 Electrometer is a direct-reading MOSFET-based electrometer for sensitive measurement of current, voltage, or charge. Its current measurement range is 10aA to 200nA with t...

    Cary, NC
  • Trusted Seller
    Keithley Instruments 616

    Keithley Instruments 616

    • Manufacturer: Keithley
    • Model: 616

    Digital Electrometer The Keithley 616 is a Digital Electrometer. Features: Sensitivity to 10 microvolts per digit 3Tone digit LED display Other Info: Its 3 1/2-digit LED display includes automatic polarity and de...

    Cary, NC
  • Trusted Seller
    Keithley Instruments 199

    Keithley Instruments 199

    • Manufacturer: Keithley
    • Model: 199

    5.5 Digit Digital Multimeter / Scanner System DMM Scanner

    Cary, NC
  • Trusted Seller
    Keithley Instruments 182

    Keithley Instruments 182

    • Manufacturer: Keithley
    • Model: 182

    6.5 Sensitive Digital Voltmeter Features: Low Noise Input Voltage Sensivity 3nVrms Noise

    Cary, NC
  • Trusted Seller
    Keithley Instruments 155

    Keithley Instruments 155

    • Manufacturer: Keithley
    • Model: 155

    155 Null Detector-Microvoltmeter Null Detector-Microvoltmeter The 155 Null Detector-Microvoltmeter covers the measurement range 1 ?V to 1000 V. Battery powered. ?2% of full scale. Common Mode Rejection is equival...

    Cary, NC
  • Trusted Seller
    Keithley Instruments 179

    Keithley Instruments 179

    • Manufacturer: Keithley
    • Model: 179

    Multimeter TRMS MULTIMETER

    Cary, NC
  • Trusted Seller
    Keithley Instruments 6517A

    Keithley Instruments 6517A

    • Manufacturer: Keithley
    • Model: 6517

    Electrometer / High Resistance Meter Measures resistances up to 10e17 Ohms 100aA to 20mA current measurement range <20µV burden voltage on lowest current ranges 200TOhms input impedance <2fA bias current Up to 1...

    Cary, NC
  • Trusted Seller
    Keithley Instruments 2182A

    Keithley Instruments 2182A

    • Manufacturer: Keithley
    • Model: 2182A

    Nanovoltmeter for Eliminating Noise in Low Voltage Measurements The two-channel Model 2182A Nanovoltmeter is optimized for making stable, low noise voltage measurements and for characterizing low resistance mater...

    Cary, NC
  • Trusted Seller
    Keithley Instruments 195A

    Keithley Instruments 195A

    • Manufacturer: Keithley
    • Model: 195A

    5.5 Digit,Digital Multimeter The 195A Digital Multimeter gives you 5 1/2-digit precision and versatility across six full functions. The unit measures volts (200 mV to 700 V), ohms (to 20 Mohms), and temperature (...

    Cary, NC
  • Trusted Seller
    Keithley Instruments 175A

    Keithley Instruments 175A

    • Manufacturer: Keithley
    • Model: 175A

    4.5 Digital Multimeter The Keithley Model 175A is a 4-1/2 digit LCD bench/portable digital multimeter. The Model 175A can make the following basic measurements. 1. DC voltage measurements from 10µV to 1000V. 2. ...

    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
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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.