Low Resistance Ohmmeters

High precision, low ohm resistance testers (also known as milliohm meters) for all of those applications that require just that little bit of extra precision. Range of products from Applent, Hioki, Megger and many others. Read More about Low Resistance Ohmmeters
  1. Extech 380462 Precision Milliohm Meter (220VAC)
    Extech logo
    3 In Stock
    Free UK Delivery
    Extech 380462 Precision Milliohm Meter (220VAC)
    (1)
    £420.00 £350.00
    • High resolution of 100μΩ
    • Five measuring ranges
    • 4-wire cables with Kelvin clip connectors
    350 Reward Points
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    380462
  2. Extech 380460 Precision Milliohm Meter (110VAC)
    Extech logo
    Lead Time: 1-6 Days
    Free UK Delivery
    Extech 380460 Precision Milliohm Meter (110VAC)
    (no reviews)
    £442.80 £369.00
    • Indication of overrange
    • 0.04 seconds sampling time
    • Wire accessories included
    369 Reward Points
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    380460
  3. Extech 380560 High Resolution Precision Milliohm Meter (110VAC)
    Extech logo
    Free UK Delivery
    Extech 380560 High Resolution Precision Milliohm Meter (110VAC)
    (no reviews)
    £462.00 £385.00
    • HI/LO/GO testing possible
    • Kelvin clip connection
    • Range of applications it can be used for
    385 Reward Points
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    380560
  4. Extech 380562 High Resolution Precision Milliohm Meter (220VAC)
    Extech logo
    Only 1 In Stock
    Free UK Delivery
    Extech 380562 High Resolution Precision Milliohm Meter (220VAC)
    (no reviews)
    £550.80 £459.00
    • Lowest resolution is just 0.01mOhm
    • Built in bench top meter
    • 4-wire test cable with Kelvin clip connectors included
    459 Reward Points
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    380562
  5. Extech 380580 Battery Powered Milliohm Meter
    Extech logo
    Lead Time: 2-3 Weeks
    Free UK Delivery
    Extech 380580 Battery Powered Milliohm Meter
    (no reviews)
    £718.80 £599.00
    • Water-resistant case
    • Four terminal Kelvin measurements
    • Sizeable, backlit LCD screen
    599 Reward Points
    Price Match Guarantee
    380580
  6. Applent AT518/AT518L Handheld DC Resistance Meter (Choice of Model)
    Applent logo
    Free UK Delivery
    Applent AT518/AT518L Handheld DC Resistance Meter (Choice of Model)
    (no reviews)
    £726.00 £605.00
    • Choice of two versions
    • Wide measurement range
    • Handheld, portable design
    605 Reward Points
    Price Match Guarantee
    AT518/AT518L
  7. Seaward Cropico DO4000 Handheld Digital Microhmmeter
    Seaward logo
    Only 1 In Stock
    Free UK Delivery
    Seaward Cropico DO4000 Handheld Digital Microhmmeter
    (no reviews)
    £742.80 £619.00
    • Portable, handheld solution for measuring low resistance levels
    • Measurement range from 40mΩ to 4kΩ
    • 100mA measurement current
    619 Reward Points
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    DO4000
  8. Seaward Cropico DO4001 Handheld Digital Microhmmeter with Temperature
    Seaward logo
    Lead Time: 1-6 Days
    Free UK Delivery
    Seaward Cropico DO4001 Handheld Digital Microhmmeter with Temperature
    (no reviews)
    £896.40 £747.00
    • Precision portable microhmmeter for measuring low resistance levels
    • Upgraded version of the Cropico DO4000 with temperature capabilities
    • Auto/manual ranging
    747 Reward Points
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    DO4001
  9. Seaward Cropico DO4002 Handheld Portable Microhmmeter
    Seaward logo
    Lead Time: 2-3 Weeks
    Free UK Delivery
    Seaward Cropico DO4002 Handheld Portable Microhmmeter
    (no reviews)
    £896.40 £747.00
    • Handheld and portable low resistance ohmmeter
    • Upgraded version of the DO4000 and DO4001
    • High resolution and test current to 1A
    747 Reward Points
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    DO4002
  10. Aim-TTi BS407 Micro Ohmmeter
    Aim-TTi logo
    Free UK Delivery
    Aim-TTi BS407 Micro Ohmmeter
    (no reviews)
    £914.40 £762.00
    • Range: 1µΩ to 20kΩ
    • Supports four-terminal measurement using supplied Kelvin clip leads
    • Selectable 20mV clamp for ‘dry circuit’ testing
    762 Reward Points
    Price Match Guarantee
    58122-0800
  11. Applent AT528/L Handheld Battery Meter - Choice of Model
    Applent logo
    1 Option in Stock
    Free UK Delivery
    Applent AT528/L Handheld Battery Meter - Choice of Model
    (no reviews)
    £945.60 £788.00
    • Two different versions available
    • For use with a wide variety of batteries
    • Handheld design for use in the field
    788 Reward Points
    Price Match Guarantee
    AT528/L
  12. Metrel MI 3242 MicroOhm 2A Low Resistance Ohmmeter
    Metrel logo
    Only 1 In Stock
    Free UK Delivery
    Metrel MI 3242 MicroOhm 2A Low Resistance Ohmmeter
    (no reviews)
    £954.00 £795.00
    • Portable solution for measuring low resistance levels
    • Test current of up to 2A
    • Internal memory storage with download to PC
    795 Reward Points
    Price Match Guarantee
    MI3242
  13. Applent AT516 DC Resistance Meter
    Applent logo
    Free UK Delivery
    Applent AT516 DC Resistance Meter
    (no reviews)
    Call for Pricing
    • Wide measurement range to 20MΩ
    • Extended comparison and advanced functions
    • High accuracy
    We require additional information before you purchase this product.
    AT516
  14. Applent AT851 Battery Ageing Tester
    Applent logo
    Lead Time: 1-2 Weeks
    Free UK Delivery
    Applent AT851 Battery Ageing Tester
    (no reviews)
    Call for Pricing
    • Determine battery ageing
    • Several comprehensive testing modes
    • Benchtop-based instrument
    We require additional information before you purchase this product.
    AT851
  15. Applent AT512 Precision DC Resitance Meter
    Applent logo
    Lead Time: 1-2 Weeks
    Free UK Delivery
    Applent AT512 Precision DC Resitance Meter
    (no reviews)
    Call for Pricing
    • Wide DC measurement range
    • High precision
    • Benchtop-based instrument
    We require additional information before you purchase this product.
    AT512
  16. Extech UM200 High Resolution Micro-Ohm Meter
    Extech logo
    Only 1 In Stock
    Free UK Delivery
    Extech UM200 High Resolution Micro-Ohm Meter
    (no reviews)
    £1,426.80 £1,189.00
    • Resistance measurements (low)
    • 3000 record memory
    • Auto and manual ranging
    1189 Reward Points
    Price Match Guarantee
    UM200
  17. Seaward Cropico DO4A Portable Digital Ohmmeter
    Seaward logo
    Free UK Delivery
    Seaward Cropico DO4A Portable Digital Ohmmeter
    (no reviews)
    £1,518.00 £1,265.00
    • Field-portable solution for performing low resistance measurements
    • 40mΩ - 4kΩ measurement range
    • Rechargeable batteries and mains powered capabilities
    1265 Reward Points
    Price Match Guarantee
    DO4A
  18. Applent AT526 AC Resistance Meter / Battery Resistance Meter
    Applent logo
    Lead Time: 1-2 Weeks
    Free UK Delivery
    Applent AT526 AC Resistance Meter / Battery Resistance Meter
    (no reviews)
    £1,860.00 £1,550.00
    • High accuracy, high precision battery tester
    • Measures both AC resistance and DC voltage
    • High quality full colour screen
    1550 Reward Points
    Price Match Guarantee
    AT526
  19. Applent AT525 Handheld Battery Meter
    Applent logo
    Free UK Delivery
    Applent AT525 Handheld Battery Meter
    (no reviews)
    £2,060.40 £1,717.00
    • Handheld, portable design
    • Test AC resistance and DC voltage
    • Wide measurement range
    1717 Reward Points
    Price Match Guarantee
    AT525
  20. Applent AT5110 Multi-Channel DC Resistance Meter
    Applent logo
    Free UK Delivery
    Applent AT5110 Multi-Channel DC Resistance Meter
    (no reviews)
    Call for Pricing
    • 10 channel measurements
    • Range up to 30kΩ
    • High accuracy of 0.05%
    We require additional information before you purchase this product.
    AT5110
  21. Chauvin Arnoux CA6240 Microhmmeter
    Chauvin Arnoux logo
    4 In Stock
    Free UK Delivery
    Chauvin Arnoux CA6240 Microhmmeter
    (no reviews)
    £2,244.00 £1,870.00
    • Small, lightweight and ergonomic design
    • Kelvin clamp cables reach 2 metres
    • Automatic measurement mode
    1870 Reward Points
    Price Match Guarantee
    P01143200
  22. Seaward Cropico DO7e Low Resistance Digital Micro Ohmmeter
    Seaward logo
    Lead Time: 1-2 Weeks
    Free UK Delivery
    Seaward Cropico DO7e Low Resistance Digital Micro Ohmmeter
    (no reviews)
    £2,282.40 £1,902.00
    • Perform low resistance measurements from 6mΩ to 600Ω
    • Portable unit housed inside its own rugged carrying case
    • Up to 415V rms input protection
    1902 Reward Points
    Price Match Guarantee
    DO7E
  23. Applent AT515 High Precision DC Resistance Meter
    Applent logo
    Free UK Delivery
    Applent AT515 High Precision DC Resistance Meter
    (no reviews)
    Call for Pricing
    • High precision DC resistance meter ideal for a wide variety of applications
    • Range from 0.1μΩ up to 1.2GΩ
    • Adjustable measurement speed
    We require additional information before you purchase this product.
    AT515
  24. Megger DLRO2 Handheld Low Resistance Ohmmeter
    Megger logo
    3 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
    Price Match Guarantee
    1012-280

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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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