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Low Resistance Ohmmeters (72 Products)

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  1. Extech 380460 Precision Milliohm Meter 110VAC
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    Lead Time: 1-6 Days
    Free UK Delivery*
    Extech 380460 Precision Milliohm Meter (110VAC)
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    £370.26 £308.55
    • Indication of overrange
    • 0.04 seconds sampling time
    • Wire accessories included
    616 Reward Points
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    SKU: 380460
  2. Extech 380462 Precision Milliohm Meter - Kit
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    Lead Time: 1-2 Weeks
    Free UK Delivery*
    Extech 380462 Precision Milliohm Meter (220VAC)
    Rating:
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    £374.95 £312.46
    • High resolution of 100μΩ
    • Five measuring ranges
    • 4-wire cables with Kelvin clip connectors
    624 Reward Points
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    SKU: 380462
  3. Extech 380562 High Resolution Precision Milliohm Meter
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    Lead Time: 1-2 Weeks
    Free UK Delivery*
    Extech 380562 High Resolution Precision Milliohm Meter (220VAC)
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    £488.39 £406.99
    • Lowest resolution is just 0.01mOhm
    • Built in bench top meter
    • 4-wire test cable with Kelvin clip connectors included
    812 Reward Points
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    SKU: 380562
  4. Extech 380560 High Resolution Precision Milliohm Meter
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    Free UK Delivery*
    Extech 380560 High Resolution Precision Milliohm Meter (110VAC)
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    £506.36 £421.97
    • HI/LO/GO testing possible
    • Kelvin clip connection
    • Range of applications it can be used for
    842 Reward Points
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    SKU: 380560
  5. Extech 380580 Battery Powered Milliohm Meter
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    Only 1 in Stock
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    Extech 380580 Battery Powered Milliohm Meter
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    £518.39 £431.99
    • Water-resistant case
    • Four terminal Kelvin measurements
    • Sizeable, backlit LCD screen
    862 Reward Points
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    SKU: 380580
  6. Metrohm E1622 Milliohmeter Meter
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    Martindale Metrohm E1622 Milliohm Meter
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    £538.80 £449.00
    • Takes low resistance measurements
    • Two different measuring areas
    • Negative effects of temperature can be countered
    898 Reward Points
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    SKU: METE1622
  7. UNI-T UT620A Digital Micro-Ohm Meter
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    UNI-T UT620A Digital Low Resistance Microhmmeter
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    £574.80 £479.00
    • Selectable ranges of 120mΩ, 600mΩ, 6Ω, 60Ω, 600Ω and 6kΩ
    • Minimum resolution of 10μΩ
    • 60000 count backlit oversize LCD display
    958 Reward Points
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    SKU: UT620A
  8. Seaward Cropico DO4000 Handheld Digital Microhmmeter
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    Free UK Delivery*
    Seaward Cropico DO4000 Handheld Digital Microhmmeter
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    £646.80 £539.00
    • Portable, handheld solution for measuring low resistance levels
    • Measurement range from 40mΩ to 4kΩ
    • 100mA measurement current
    1078 Reward Points
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    SKU: DO4000
  9. Applent AT518/AT518L Handheld DC Resistance Meter
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    Free UK Delivery*
    Applent AT518/AT518L Handheld DC Resistance Meter (Choice of Model)
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    As low as £672.00 £560.00
    • Choice of two versions
    • Wide measurement range
    • Handheld, portable design
    1344 Reward Points
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    SKU: AT518/AT518L
  10. Applent AT528/L Handheld Battery Meter
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    Free UK Delivery*
    Applent AT528/L Handheld Battery Meter - Choice of Model
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    As low as £762.00 £635.00
    • Two different versions available
    • For use with a wide variety of batteries
    • Handheld design for use in the field
    1524 Reward Points
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    SKU: AT528/L
  11. Metrel MI 3242 MicroOhm 2A Low Resistance Ohmmeter - Kit
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    Lead Time: 1-6 Days
    Free UK Delivery*
    Metrel MI 3242 MicroOhm 2A Low Resistance Ohmmeter
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    £776.40 £647.00
    • Portable solution for measuring low resistance levels
    • Test current of up to 2A
    • Internal memory storage with download to PC
    1294 Reward Points
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    SKU: MI3242
  12. Seaward Cropico DO4002 Handheld Portable Microhmmeter - Kit
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    Only 1 in Stock
    Free UK Delivery*
    Seaward Cropico DO4002 Handheld Portable Microhmmeter
    Rating:
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    £789.60 £658.00
    • Handheld and portable low resistance ohmmeter
    • Upgraded version of the DO4000 and DO4001
    • High resolution and test current to 1A
    1316 Reward Points
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    SKU: DO4002
  13. Seaward Cropico DO4001 Handheld Digital Microhmmeter with Temperature
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    Lead Time: 1-6 Days
    Free UK Delivery*
    Seaward Cropico DO4001 Handheld Digital Microhmmeter with Temperature
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    £790.80 £659.00
    • Precision portable microhmmeter for measuring low resistance levels
    • Upgraded version of the Cropico DO4000 with temperature capabilities
    • Auto/manual ranging
    1318 Reward Points
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    SKU: DO4001
  14. Applent AT516 DC Resistance Meter - Kit
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    Free UK Delivery*
    Applent AT516 DC Resistance Meter
    Rating:
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    £954.00 £795.00
    • Wide measurement range to 20MΩ
    • Extended comparison and advanced functions
    • High accuracy
    1590 Reward Points
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    SKU: AT516
  15. Applent AT851 Battery Lifetime Meter
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    Applent AT851 Battery Ageing Tester
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    £1,116.00 £930.00
    • Determine battery ageing
    • Several comprehensive testing modes
    • Benchtop-based instrument
    1860 Reward Points
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    SKU: AT851
  16. Applent AT512 Precision DC Resitance Meter
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    Lead Time: 1-2 Weeks
    Free UK Delivery*
    Applent AT512 Precision DC Resitance Meter
    Rating:
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    £1,212.00 £1,010.00
    • Wide DC measurement range
    • High precision
    • Benchtop-based instrument
    2020 Reward Points
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    SKU: AT512
  17. Seaward Cropico DO4A Portable Digital Ohmmeter
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    Lead Time: 1-6 Days
    Free UK Delivery*
    Seaward Cropico DO4A Portable Digital Ohmmeter
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    £1,339.20 £1,116.00
    • Field-portable solution for performing low resistance measurements
    • 40mΩ - 4kΩ measurement range
    • Rechargeable batteries and mains powered capabilities
    2232 Reward Points
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    SKU: DO4A
  18. Extech UM200 High Resolution Micro Ohm Meter Kit
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    Lead Time: 1-6 Days
    Free UK Delivery*
    Extech UM200 High Resolution Micro-Ohm Meter
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    £1,486.80 £1,239.00
    • Resistance measurements (low)
    • 3000 record memory
    • Auto and manual ranging
    2478 Reward Points
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    SKU: UM200
  19. Applent AT526 AC Resistance Meter / Battery Internal Resistance Meter
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    Free UK Delivery*
    Applent AT526 AC Resistance Meter / Battery Resistance Meter
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    £1,722.00 £1,435.00
    • High accuracy, high precision battery tester
    • Measures both AC resistance and DC voltage
    • High quality full colour screen
    2870 Reward Points
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    SKU: AT526
  20. Applent AT525 Handheld Battery Meter
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    Free UK Delivery*
    Applent AT525 Handheld Battery Meter
    Rating:
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    £1,908.00 £1,590.00
    • Handheld, portable design
    • Test AC resistance and DC voltage
    • Wide measurement range
    3180 Reward Points
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    SKU: AT525
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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 resistances.

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, on board keyboard entries and more!

In order 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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