Featured Categories

  • Tools & Machining
  • Shipping, Packaging & Office Supplies
  • Plumbing
  • Safety

Shop Categories

  • Abrasives & Polishers
  • Adhesives & Tapes
  • Electrical Supplies
  • Electronics
  • Fasteners
  • Food Service & Restaurant Supplies
  • Furniture, Linens & Decor
  • Grounds & Outdoor
  • Hardware & Building Materials
  • Heating & Cooling
  • Janitorial & Cleaning Supplies
  • Lab Equipment & Supplies
  • Lighting
  • Material Handling
  • Medical & Personal Care
  • Paint, Coatings & Supplies
  • Plumbing
  • Power Transmission
  • Pumps
  • Raw Materials
  • Safety
  • Shipping, Packaging & Office Supplies
  • Storage & Workspace
  • Test Instruments & Gauges
  • Tools & Machining
  • Vehicle Maintenance
  • Welding, Soldering & Brazing
  • About Us
  • Promo Codes
  • Contact Us
Added to Cart
Skip to Main Content
FREE Shipping on orders over $50 after you . Restrictions Apply
Zoro Homepage
Close icon
Clipboard Icon Clipboard Icon Quick Order
Cart Icon
0
Cart Icon
0
Cart
  • Low prices on everyday needs. Shop Zoro Select
  • Don't miss these limited time offers. Shop All Deals
  • Get 30 days to pay with Net 30. Apply Now
  1. Home
  2. /
  3. Test Instruments & Gauges
  4. /
  5. Electrical Testing & Measuring
  6. /
  7. Resistance Testers
Search Feedback

Resistance Testers (203 items)

Klein Tools Insulation Resistance Tester ET600
Klein Tools

Insulation Resistance Tester

Zoro # G3170370
Mfr # ET600
product price:  $210.99
/ea
Fluke Clamp On Earth Resistance Tester, LCD FLUKE-1630-2 FC
Fluke

Clamp On Earth Resistance Tester, LCD

Zoro # G3369051
Mfr # FLUKE-1630-2 FC
product price:  $2,703.99
/ea
Extech Earth Ground Tester Kit, 820 Hz 382252
Extech

Earth Ground Tester Kit, 820 Hz

Zoro # G0495056
Mfr # 382252
product price:  $359.00
/ea
Aemc Instruments Earth Ground Tester, 128 Hz, 42VAC 4620
Aemc Instruments

Earth Ground Tester, 128 Hz, 42VAC

Zoro # G0313092
Mfr # 4620
product price:  $1,461.99
/ea
Rigel Medical Electrical Safety Tester, LCD Display Safetest 50
Rigel Medical

Electrical Safety Tester, LCD Display

Zoro # G7771946
Mfr # Safetest 50
product price:  $1,807.99
/ea
Reliance Controls Alert Monitor, For Transfer Switch THP108
Reliance Controls

Alert Monitor, For Transfer Switch

Zoro # G4298183
Mfr # THP108
product price:  $46.19
/ea
Reliance Controls Appliance Load Tester 120 VAC, 60 HZ THP103
Reliance Controls

Appliance Load Tester 120 VAC, 60 HZ

Zoro # G2503462
Mfr # THP103
product price:  $48.89
/ea
Aemc Instruments Clamp On Earth Tester, OLED Display 6417
Aemc Instruments

Clamp On Earth Tester, OLED Display

Zoro # G5915469
Mfr # 6417
product price:  $2,262.99
/ea
Aemc Instruments Clamp On Earth Tester, OLED Display 6416
Aemc Instruments

Clamp On Earth Tester, OLED Display

Zoro # G5932363
Mfr # 6416
product price:  $2,064.99
/ea
Megger Earth Ground Tester, 128 Hz, 100VAC DET3TC
Megger

Earth Ground Tester, 128 Hz, 100VAC

Zoro # G3445267
Mfr # DET3TC
product price:  $1,648.99
/ea
Fluke Earth Ground Tester Kit, 250VAC FLUKE-1625-2 KIT
Fluke

Earth Ground Tester Kit, 250VAC

Zoro # G6105127
Mfr # FLUKE-1625-2 KIT
product price:  $6,073.99
/ea
Fluke Earth Ground Tester Kit, 128 Hz, 250VAC FLUKE-1623-2 KIT
Fluke

Earth Ground Tester Kit, 128 Hz, 250VAC

Zoro # G6109047
Mfr # FLUKE-1623-2 KIT
product price:  $4,929.99
/ea
Extech Earth Ground Tester, 820 Hz, 0 to 300VAC GRT300
Extech

Earth Ground Tester, 820 Hz, 0 to 300VAC

Zoro # G4313915
Mfr # GRT300
product price:  $989.00
/ea
Megger Clamp On Earth Tester, 1390 Hz DET24C
Megger

Clamp On Earth Tester, 1390 Hz

Zoro # G3710038
Mfr # DET24C
product price:  $2,863.99
/ea
Megger Earth Test Kit, 196.9 ft, 328.1 ft ETK100
Megger

Earth Test Kit, 196.9 ft, 328.1 ft

Zoro # G813365058
Mfr # ETK100
product price:  $899.99
/ea
Jonard Tools Cable Tester Tone & Probe Kit TETP-800
Jonard Tools

Cable Tester Tone & Probe Kit

Zoro # G2236559
Mfr # TETP-800
product price:  $73.95
/ea
Idea Scientific Ultra Clear Cellophane, 26x32cm, 125PK 1091
Idea Scientific

Ultra Clear Cellophane, 26x32cm, 125PK

Zoro # G404969849
Mfr # 1091
product price:  $123.99
/pk 125, $0.99/ea
Seaward Portable Appliance Tester AGT 100
Seaward

Portable Appliance Tester

Zoro # G8523401
Mfr # AGT 100
product price:  $986.99
/ea
Pce Instruments Insulation Meter, Test tension up to 5,000V PCE-IT413
Pce Instruments

Insulation Meter, Test tension up to 5,000V

Zoro # G604853764
Mfr # PCE-IT413
product price:  $1,260.99
/ea
Fluke Earth Ground Tester, 94/105/111/128 Hz FLUKE-1625-2
Fluke

Earth Ground Tester, 94/105/111/128 Hz

Zoro # G6203951
Mfr # FLUKE-1625-2
product price:  $4,773.99
/ea
Megger Ground Resistance Tester Acces ETK100C
Megger

Ground Resistance Tester Acces

Zoro # G613365050
Mfr # ETK100C
product price:  $1,644.99
/ea
Reliance Controls Receptacle Tester with GFCI, 60 Hz, 120VAC THP102P
Reliance Controls

Receptacle Tester with GFCI, 60 Hz, 120VAC

Zoro # G4314256
Mfr # THP102P
product price:  $15.48
/ea
Greenlee Earth Ground Tester, 50/60 Hz Frequency CMGRT-100A
Greenlee

Earth Ground Tester, 50/60 Hz Frequency

Zoro # G7951205
Mfr # CMGRT-100A
product price:  $2,308.99
/ea
Fluke Earth Ground Tester, 128 Hz, 250VAC FLUKE-1623-2
Fluke

Earth Ground Tester, 128 Hz, 250VAC

Zoro # G6181131
Mfr # FLUKE-1623-2
product price:  $2,906.99
/ea
Molecular Bio-Products RNase AWAY, 475ml 147003
Molecular Bio-Products

RNase AWAY, 475ml

Zoro # G104971784
Mfr # 147003
product price:  $102.99
/ea
Fluke Cable Reel Accessory CABLE REEL 50M RD
Fluke

Cable Reel Accessory

Zoro # G6177543
Mfr # CABLE REEL 50M RD
product price:  $163.99
/ea
Megger Earth Ground Resistance Tester, Digital DET2/3 EARTH TESTER, 100M KIT, LG2/P3
Megger

Earth Ground Resistance Tester, Digital

Zoro # G215694091
Mfr # DET2/3 EARTH TESTER, 100M KIT, LG2/P3
product price:  $8,995.99
/ea
Reed Instruments Earth Ground Tester, LCD, Case R5710
Reed Instruments

Earth Ground Tester, LCD, Case

Zoro # G005612229
Mfr # R5710
product price:  $1,281.99
/ea
Megger Earth Ground Resistance Tester, Digital DET2/3 EARTH TESTER, 50M KIT, LG2/P3
Megger

Earth Ground Resistance Tester, Digital

Zoro # G015694093
Mfr # DET2/3 EARTH TESTER, 50M KIT, LG2/P3
product price:  $8,867.99
/ea
Megger Earth Ground Resistance Tester, Digital DET2/3 PRO EARTH TESTER, LG2/P3
Megger

Earth Ground Resistance Tester, Digital

Zoro # G115694092
Mfr # DET2/3 PRO EARTH TESTER, LG2/P3
product price:  $7,658.99
/ea
Zoro Select Earth Ground Tester, 97 Hz 5ZYX1
Zoro Select

Earth Ground Tester, 97 Hz

Zoro # G2333305
Mfr # 5ZYX1
product price:  $2,778.99
/ea
Pce Instruments Eletrical Tester, CAT III 1000V PCE-IT55
Pce Instruments

Eletrical Tester, CAT III 1000V

Zoro # G304853729
Mfr # PCE-IT55
product price:  $314.99
/ea
No Product Image Available
Megger

Resistance Tester, Digital

Zoro # G821672872
Mfr # 1016-091
product price:  $7,605.99
/ea
Fluke Cable Reel Accessory CABLE REEL 25M BL
Fluke

Cable Reel Accessory

Zoro # G6203985
Mfr # CABLE REEL 25M BL
product price:  $143.96
/ea
Fluke Cable Reel Accessory CABLE REEL 25M GR
Fluke

Cable Reel Accessory

Zoro # G6079491
Mfr # CABLE REEL 25M GR
product price:  $115.99
/ea
Megger Clamp On Earth Resistance Tster, 1500 Ohm DET14C
Megger

Clamp On Earth Resistance Tster, 1500 Ohm

Zoro # G3695237
Mfr # DET14C
product price:  $2,806.99
/ea
Resistance Testers (203 items)
  • 1
    of 6 pages
  • Next
  • Last

About Resistance Testers

Resistance testers are used to measure the amount of resistance in an electrical circuit. They are used to check if components such as resistors, capacitors, and inductors are working correctly or if they need to be replaced. Resistance testers can also help diagnose faulty wiring or connections.

Types of Resistance Testers

There are a variety of different types of resistance testers that can be used for different applications. Some may have digital displays for more accurate readings, while others may be manual with knobs and dials. There are also specialty resistance testers designed for specific industries like automotive or aviation.

How Resistance Testers Are Made

Resistance testers typically consist of a power source, a measuring device such as an ammeter or ohmmeter, and various other components such as resistors and switches. They may also contain specialized components depending on their purpose such as thermocouples or Hall effect sensors.

Industries That Use Resistance Testers

Resistance testers are commonly used in many industries including manufacturing, electronics engineering, automotive repair, aircraft maintenance, and medical diagnostics. Professionals in these fields use them to troubleshoot issues with electrical circuits and ensure that components are working correctly.

Find the Resistance Testers You Need at Zoro

Looking for a specific item? Use our robust search tool to find it by name or keyword, or use our handy filters to narrow down our full assortment. You can also check out our whole selection of resistance testers, along with other tools or equipment to ensure you have all you need to tackle the job, especially if you're taking on a DIY project for the first time.

Plus, when you shop at Zoro, you'll always enjoy competitive prices on tons of great brands you know and trust. We make the shopping experience as fast and seamless as possible with free shipping on orders over $50 for registered users, Net 30 payment terms for qualifying customers, and an unparalleled customer service experience.

Related Categories

Voltage DetectorsDigital MultimetersClamp On Power MetersTest Leads & ProbesPressure Gauges
Infrared ThermometersVacuum GaugesManometersWall or Desk ThermometersPressure Transducers
earth ground resistance1630-2 FCelectrical safetyelectrical safety testerearth stake
clamp testerdigital insulation testeraemc instrumentsearth ground tester kitelectrical safety testers

Sign Up & Save

Take 10% off your next order when you sign up for Zoro emails. Subscribe now to receive your promo code via email.

Follow Us

  • Facebook
  • YouTube
  • LinkedIn
  • Instagram
Every Part Plays a Part

Information

  • About Us
  • Accessibility
  • Careers
  • Inclusion
  • Giving Back
  • Resource Hub
  • Returns
  • Shipping

Shopping

  • Brands
  • Collections
  • My Account
  • Payments
  • Promo Codes
  • Sitemap
  • Track My Order

Services

  • Customer Service
  • FAQs
  • Net 30 Terms
  • Reseller Program
  • Sell on Zoro
  • Participate in Research

Zoro, Inc

Connect

Customer Service From Real People

  • Phone: (855) 289-9676
  • Contact Us

© 2011-2026 Zoro Tools, Inc. All rights reserved.
  • Terms & Conditions
  • Terms of Access
  • Privacy Policy
Zoro, Inc