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Contact Resistance Tester

Contact Resistance Testers & Meters for Sale

The contact resistance test (commonly known as the Ductor test) measures the resistance of electrical connections such as joints, terminations, connectors, etc. These can be connections between any two conductors, for instance busbar sections or cable connections. The test measures the resistance at the micro- or milli-ohm level and is used primarily to verify that electrical connections are made properly, and can detect the following problems:

  • Loose connections
  • Adequate tension on bolted joints
  • Eroded contact surfaces
  • Contaminated or corroded contacts

This is particularly important for contacts that carry large amounts of current (e.g. switchgear busbars) as higher contact resistance leads to higher losses and lower current carrying capacity.

Also check our EMF Meters!



Image Ad title Price Condition Location
Guildline : 6500A Digital TeraOhmmeter $ 9950.00 USDUsedUS
Guildline : 9520 Automatic Digital TeraOhmmeter $ 1750.00 USDUsedUS
HeathKit IN-27 Decade Capacitor Tester $ 100.00 USDUsedCA
Instek GOM-802 DC Milli-Ohm Meter $ 510.00 USDUsedUS
Instek GOM-802 Programmable DC Milli-Ohmmeter $ 510.00 USDUsedUS
Instek GOM-802-GP DC Milli-Ohm Meter w/ GPIB, RS-232 Interface Option $ 860.00 USDUsedUS
Instek GOM-802GP Programmable DC Milli-Ohmmeter with GPIB, RS232 Option ContactUsedUS
Keithley 502A Millohmmeter ContactUsedUS
Keithley 580 DIGITAL MICRO-OHMMETER The 580 Micro-Ohmmeter combines high accuracy $ 3552.00 USDUsedUS
Keithley 580 Micro-Ohmmeter ContactUsedUS
Keithley 580 MicroOhmeter with optional IEE488 and Isolated analog out. $ 2195.00 USDUsedUS
Keithley 580 MicroOhmeter. 4.5 digit, high accuracy, resolution and sensitivity. $ 2095.00 USDUsedUS
Keithley 580-5802 DIGITAL MICRO-OHMMETER The 580 Micro-Ohmmeter combines high accuracy $ 4292.00 USDUsedUS
Keithley : 26000 (26220) Logarithmic Picommeter $ 995.00 USDUsedUS
Keithley : 502A MILLIOHMETER ContactUsedUS
Keithley : 580 Micro-ohmmeter with Leads $ 1495.00 USDUsedUS
Keysight (formerly Agilent) - 34420A NanoVolt/Micro-Ohm Meter $ 3556.00 USDUsedUS
Keysight (formerly Agilent) - 4338B Milliohmmeter $ 2900.00 USDNewUS
Keysight (formerly Agilent) 16338A $ 995.00 USDUsedUS
Keysight (formerly Agilent) 4328A-001 The 4328A Milliohmmeter is a highly sensitive $ 2096.00 USDUsedUS


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