Low Resistance Ohmmeters

  1. Megger DLRO2 Handheld Low Resistance Ohmmeter
    Megger logo
    2 In Stock
    Free UK Delivery
    Megger DLRO2 Handheld Low Resistance Ohmmeter
    (no reviews)
    £2,539.20 £2,116.00
    • Fast/ Long Test Lead, Normal Resistance and Inductive Resistance modes
    • NEW Difference Meter: easily compare measurements to a reference reading
    • Run tests in Bidirectional or Unidirectional mode
    2116 Reward Points
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    1012-280
  2. Seaward Cropico DO7 Portable Digital Micro Ohmmeter
    Seaward logo
    Lead Time: 1-2 Weeks
    Free UK Delivery
    Seaward Cropico DO7 Portable Digital Micro Ohmmeter
    (no reviews)
    £2,758.80 £2,299.00
    • Portable, rugged low resistance ohmmeter suitable for a wide variety of applications
    • Highly accurate four terminal measurements eliminate lead resistance
    • Wide measurement range with current of up to 10A
    2299 Reward Points
    Price Match Guarantee
    DO7
  3. Seaward Cropico DO7010 Portable Digital Microhmmeter
    Seaward logo
    Free UK Delivery
    Seaward Cropico DO7010 Portable Digital Microhmmeter
    (no reviews)
    £2,758.80 £2,299.00
    • Portable microhmmeter for precision low resistance measurements
    • Built-in datalogging capabilities
    • Up to 10A test current
    2299 Reward Points
    Price Match Guarantee
    DO7010
  4. Seaward Cropico DO5002 Digital Microhmmeter - Low Current Version
    Seaward logo
    Free UK Delivery
    Seaward Cropico DO5002 Digital Microhmmeter - Low Current Version
    (no reviews)
    £2,791.20 £2,326.00
    • Lower current version of the DO5000 and DO5001
    • Datalogging capabilities - store up to 4000 records
    • Variable test current, wide measurement range and highly accurate results
    2326 Reward Points
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    DO5002
  5. Applent AT5120 Multi-Channel DC Resistance Meter
    Applent logo
    Lead Time: 1-2 Weeks
    Free UK Delivery
    Applent AT5120 Multi-Channel DC Resistance Meter
    (no reviews)
    Call for Pricing
    • 20 built-in channels - take readings from 20 channels simultaneously!
    • High accuracy of 0.05%
    • Measurement range of 1μΩ to 30kΩ
    We require additional information before you purchase this product.
    AT5120
  6. Sonel MMR-620 Micro-Ohmmeter
    Sonel logo
    Free UK Delivery
    Sonel MMR-620 Micro-Ohmmeter
    (no reviews)
    £3,264.00 £2,720.00
    • Measure low resistance on resistive and inductive objects
    • Built-in memory storage
    • Portable design can be comfortably worn around the neck
    2720 Reward Points
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    MMR-620
  7. Seaward Cropico DO7 Plus Portable Digital Micro Ohmmeter with Memory
    Seaward logo
    Lead Time: 1-6 Days
    Free UK Delivery
    Seaward Cropico DO7 Plus Portable Digital Micro Ohmmeter with Memory
    (no reviews)
    £3,270.00 £2,725.00
    • Low resistance ohmmeter with range from 6mΩ to 6kΩ
    • 10,000 record internal memory storage with download to PC
    • Built-in cooling curve plotting
    2725 Reward Points
    Price Match Guarantee
    DO7PLUS
  8. Megger DLRO10HD Digital Low-Resistance Ohmmeter
    Megger logo
    2 In Stock
    Free UK Delivery
    Megger DLRO10HD Digital Low-Resistance Ohmmeter
    (no reviews)
    £3,306.00 £2,755.00
    • Durable, reliable ohmmeter capable of measuring low-resistance in a wide variety of environments and for an eclectic range of products
    • Five measurement modes
    • Heavy duty case protects this ohmmeter from the elements 
    2755 Reward Points
    Price Match Guarantee
    1006-657
  9. Sonel MMR-640 Micro-Ohmmeter
    Sonel logo
    Free UK Delivery
    Sonel MMR-640 Micro-Ohmmeter
    (no reviews)
    £3,396.00 £2,830.00
    • Measure very low resistance of resistive objects
    • Maximum resistance range: 1999.9Ω
    • Modern user interface and advanced data management system
    2830 Reward Points
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    MMR-640
  10. Megger DLRO10HD Low Resistance Ohmmeter& KC1-TL3-C Kelvin Lead Set
    Megger logo
    2 In Stock
    Free UK Delivery
    Megger DLRO10HD Low Resistance Ohmmeter& KC1-TL3-C Kelvin Lead Set
    (no reviews)
    £3,514.80 £2,929.00
    • Includes one Megger DLRO10HD Digital Low Resistance Meter and one Megger KC1-TL3-C Kelvin Clip Lead Set
    • Megger DLRO10HD Low Resistance Meter can perform low contact resistance tests (ducter tests) on all metallic joints
    • Megger DLRO10HD features new interchangeable test lead terminations and a large, backlit, digital, LCD Display
    2929 Reward Points
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    1006-604
  11. Seaward Cropico DO5000 Mains-Powered Digital Low Resistance Ohmmeter
    Seaward logo
    Free UK Delivery
    Seaward Cropico DO5000 Mains-Powered Digital Low Resistance Ohmmeter
    (no reviews)
    £3,570.00 £2,975.00
    • Bench-based low resistance ohmmeter powered by mains connection
    • Programmable measurement current up to 10A
    • Built-in datalogging capabilities - store up to 4000 date/time stamped records
    2975 Reward Points
    Price Match Guarantee
    DO5000
  12. Megger DLRO10HD Digital Low Resistance Ohmmeter & DH4-C Test Lead Set
    Megger logo
    4 In Stock
    Free UK Delivery
    Megger DLRO10HD Digital Low Resistance Ohmmeter & DH4-C Test Lead Set
    (no reviews)
    £3,696.00 £3,080.00
    • Includes one Megger DLRO10HD Digital Low Resistance Meter and one Megger DH4-C Test Lead Set
    • Megger DLRO10HD Low Resistance Meter can perform ducter tests (low contact resistance tests) on all metallic joints
    • Megger DLRO10HD is rugged and features new interchangeable test lead terminations   
    3080 Reward Points
    Price Match Guarantee
    1006-603
  13. Chauvin Arnoux CA6255 10A Micro-ohmmeter
    Chauvin Arnoux logo
    Only 1 In Stock
    Free UK Delivery
    Chauvin Arnoux CA6255 10A Micro-ohmmeter
    (no reviews)
    £3,754.80 £3,129.00
    • Can be used to check the quality of connections using low-resistance measurements
    • Seven resistance ranges, three with 10A current
    • Temperature compensation function for comparative results
    3129 Reward Points
    Price Match Guarantee
    P01143221
  14. Megger DLRO10HDX Digital Low Resistance Ohmmeter – Choice of Kits
    Megger logo
    Free UK Delivery
    Megger DLRO10HDX Digital Low Resistance Ohmmeter – Choice of Kits
    (no reviews)
    £4,018.80 £3,349.00
    • Available in three kits: standard, KC1-TL3-C and DH4-C
    • Results can be saved to the instrument's memory and may be downloaded to a PC
    • New interchangeable test lead terminals
    3349 Reward Points
    Price Match Guarantee
    DLRO10HDX
  15. Megger DLRO10-NLS Low Resistance Ohmmeter - No Test Leads
    Megger logo
    Only 1 In Stock
    Free UK Delivery
    Megger DLRO10-NLS Low Resistance Ohmmeter - No Test Leads
    (no reviews)
    £4,042.80 £3,369.00
    • Precision automatic low resistance measurements
    • 7 ranges with test current to 10A
    • Lightweight, portable design
    3369 Reward Points
    Price Match Guarantee
    MEGLO33
  16. Megger DLRO10 10A Low Resistance Ohmmeter
    Megger logo
    3 In Stock
    Free UK Delivery
    Megger DLRO10 10A Low Resistance Ohmmeter
    (no reviews)
    £4,218.00 £3,515.00
    • Test method: single cycle reversing dc ratiometric measurement
    • Average result display- Test current: Accuracy +-10% Stability <10ppm per second
    • Battery capacity : 7Ah NiMH rechargableLife : Typically 1000 x 10A tests before recharge
    3515 Reward Points
    Price Match Guarantee
    MEGLO3
  17. Megger DLRO10X Digital Low Resistance Ohmmeter (No Test Leads)
    Megger logo
    Free UK Delivery
    Megger DLRO10X Digital Low Resistance Ohmmeter (No Test Leads)
    (no reviews)
    £4,378.80 £3,649.00
    • High precision low resistance ohmmeter with internal memory storage
    • Kit includes the DLRO10X only - test leads are sold separately
    • Automatic and manual testing modes
    3649 Reward Points
    Price Match Guarantee
    MEGLO4
  18. Sonel MMR-630 Micro-Ohmmeter
    Sonel logo
    Lead Time: 1-2 Weeks
    Free UK Delivery
    Sonel MMR-630 Micro-Ohmmeter
    (no reviews)
    £4,416.00 £3,680.00
    • Measure low resistance on both inductive and resistive objects
    • Built-in memory storage
    • Upgraded version of the MMR-620 with enhanced resolution
    3680 Reward Points
    Price Match Guarantee
    MMR-630
  19. Metrel MI 3252 MicroOhm 100A Low Resistance Ohmmeter
    Metrel logo
    Lead Time: 1-2 Weeks
    Free UK Delivery
    Metrel MI 3252 MicroOhm 100A Low Resistance Ohmmeter
    (no reviews)
    £4,434.00 £3,695.00
    • Portable solution for measuring low contact resistances
    • 100mA to 100A test current range
    • Built-in memory storage with download to PC
    3695 Reward Points
    Price Match Guarantee
    MI3252
  20. Time Electronics 5070 Microhm Meter Calibrator
    Time Electronics logo
    Lead Time: 1-6 Days
    Free UK Delivery
    Time Electronics 5070 Microhm Meter Calibrator
    (no reviews)
    £4,740.00 £3,950.00
    • 5 calibration points: 0, 25, 50, 75 and 100%
    • Terminals are gold plated
    • Low thermal emf connection
    3950 Reward Points
    Price Match Guarantee
    5070
  21. Megger DLRO10X Low Resistance Ohmmeter w/ DH4-C Duplex Probe Lead Set
    Megger logo
    Only 1 In Stock
    Free UK Delivery
    Megger DLRO10X Low Resistance Ohmmeter w/ DH4-C Duplex Probe Lead Set
    (no reviews)
    £4,798.80 £3,999.00
    • High precision low resistance ohmmeter with internal memory storage
    • Full kit version with test leads and probes included
    • Automatic and manual testing modes
    3999 Reward Points
    Price Match Guarantee
    MEGLO44
  22. Seaward Cropico DO5001 Battery/Mains Power Low Resistance Ohm Meter
    Seaward logo
    Free UK Delivery
    Seaward Cropico DO5001 Battery/Mains Power Low Resistance Ohm Meter
    (no reviews)
    £4,798.80 £3,999.00
    • Measure low resistance levels with high precision
    • Upgraded version of the DO5000 with mains/rechargeable battery power
    • Datalogging capabilities
    3999 Reward Points
    Price Match Guarantee
    DO5001
  23. Sonel MMR-650 Micro-Ohmmeter
    Sonel logo
    Free UK Delivery
    Sonel MMR-650 Micro-Ohmmeter
    (no reviews)
    £5,028.00 £4,190.00
    • Precision 4-wire measurements of low resistance
    • Built inside its own carrying case
    • Touchscreen and wireless connection
    4190 Reward Points
    Price Match Guarantee
    MMR-650
  24. Megger DLRO100E/EB Low Resistance Ohmmeters
    Megger logo
    Free UK Delivery
    Megger DLRO100E/EB Low Resistance Ohmmeters
    (no reviews)
    £5,280.00 £4,400.00
    • Choose between AC-, battery-, and AC- and battery-powered versions
    • High-precision measurements of low resistance
    • Three testing modes: manual, auto, and continuous
    4400 Reward Points
    Price Match Guarantee
    DLRO100E

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About Low Resistance Ohmmeters

Ohmmeters are portable devices that are used by electricians to accurately measure the resistance opposing electrical current on circuitry.

Generally, the ohmmeter family is divided into two distinct types. Micro-ohmmeters (also known as microhmmeter) are capable of making low resistance measurements, but can't be used to measure larger values of resistance like you may find on high-voltage equipment. The other form, the megohmmeter, can measure incredibly large levels of resistance and is a great solution for those working with higher levels of resistance.

While traditionally the ohmmeter displayed resistance as movement on a galvanometer scale, this has now been generally phased out in favour of digital technology. Rather than getting fluctuating readings from a needle scale, a digital ohmmeter will accurately output the resistance of a circuit as a definitive number, allowing you to quickly tell exactly what the reading is. The inclusion of digital interfaces also means you can use a wide variety of different extra features (depending on which model you're using) including built-in-memory of test results, onboard keyboard entries, and more!

To obtain truly high-precision readings of resistance, the ohmmeter must have four terminals named Kelvin contacts. This forces the ohmmeter to ignore readings that interfere with the overall accuracy of the test, as when an ohmmeter calculates resistance it generally displays the sum of the resistance of the measuring leads, the contact resistances, and the resistance being measured itself.

Milliohm meters - also known occasionally as the aforementioned microhmeters -are used to accurately make low resistance measurements on equipment that requires sensitive testing procedures. Such examples include the testing of PC equipment, which has delicate internal parts that could be damaged by excessive testing.

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