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Showing Results For: Ohmmeters

Ohmmeters

An ohmmeter or ohm meter is an electronic device that precisely measures resistance in an electrical circuit and components to determine their optimised resistance. These instruments verify if there are any faults or defects in various circuits, including open circuits or short circuits. An ohmmeter is a must-have tool for electrical, engineering, electronics, and automotive repair, as well as for household electrical troubleshooting. Many multimeters also integrate modern ohmmeters, making them versatile tools for diagnosing and troubleshooting electrical circuits and components. 

What are the Benefits of Using Ohmmeters?

Using precision ohmmeters provides unparalleled benefits in various aspects. These test and measurement devices are indispensable tools for electricians, technicians, and engineers, giving quick measurements when diagnosing electrical problems. They are a safe, accurate, and efficient way of locating areas of high resistance in electrical circuits and help prevent electrical overloads and overheating. Additionally, identifying and rectifying these high-resistance points using ohmmeters reduces the risk of electrical fires and accidents, enhancing overall efficiency and system performance.

Popular Types of Ohmmeters:

Ohmmeters are available in various types based on their operation, design, and measurement ranges, such as:

  • Analog Ohmmeters – These instruments provide resistance measurements using a moving needle-style display that moves over a scale. These meters are relatively simple; however, they are less commonly used today for basic resistance measurements.
  • Digital Ohmmeters – These provide a digital readout (in numerical form) of resistance and are more accurate and easier to read than analog meters. A digital ohmmeter comes in various forms––from handheld designs to benchtop models, and is the most modern ohmmeter with additional features, including data logging and auto-ranging.
  • Handheld Ohmmeter – Also called portable ohmmeters, a handheld ohmmeter can be easily carried around and used in the field. They are often battery-powered and have digital displays.
  • Milli Ohmmeters  They are specialised low-resistance ohmmeters that measure electrical resistance in milliohms (mΩ). They accurately measure very low resistance values, typically encountered in electrical and electronic circuits, such as the resistance of wires, connectors, or components.
  • Micro-Ohmmeters – Micro-ohmmeters measure extremely low resistances, often in the micro-ohm or milli-ohm range. They are commonly used for testing electrical connections, such as welds and busbars.
  • Megohmmeter (Megger) – A megohmmeter, or simply "megger," is an ohmmeter used to measure extremely high resistances, often in the megohm range. It is commonly used for testing the insulation resistance of electrical cables and equipment.
  • Benchtop Ohmmeter – Benchtop ohmmeters are larger, more precise instruments typically used in laboratory or workshop settings. They offer higher accuracy and additional features for more complex measurements.

Typical Applications of Ohmmeters:

Ohmmeters are commonly used in various applications in electronics, electrical engineering, and other fields where the measurement of resistance is essential. Some typical applications of ohmmeters include:

  • Continuity Testing
  • Electrical Maintenance
  • Fault Detection
  • Component Testing
  • Quality Control
  • Circuit Troubleshooting
  • Grounding and Bonding Checks
  • Wire Identification
  • Temperature Sensor Calibration.

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Enrgtech #
Manufacturer Part No
Name
Availability
Price
Rating
Megger
Rohs Verified
1006-601, Megger
4 In Stock
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1 +
£ 4330.80
Facom
715PB, Facom
54 In Stock
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1 +
£ 388.69
Rohs Verified
61-200-0600RoHS, EUROSTAT
102 In Stock
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1 +
£ 1807.25
Megger
Rohs Verified
1008-047, Megger
1 In Stock
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1 +
£ 3429.00
Extech
380580, Extech
43 In Stock
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1 +
£ 786.49
Megger
Rohs Verified
1013-795, Megger
2 In Stock
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1 +
£ 2475.00
Chauvin Arnoux
Rohs Verified
P01143300, Chauvin Arnoux
2 In Stock
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1 +
£ 7116.60
Keysight Technologies
Rohs Verified
34420A, Keysight Technologies
1 In Stock
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1 +
£ 5698.80
Chauvin Arnoux
Rohs Verified
P01143221, Chauvin Arnoux
58 In Stock
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1 +
£ 3738.58
Megger
Rohs Verified
1008-090, Megger
21 In Stock
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1 +
£ 4126.50
Chauvin Arnoux
P01143200, Chauvin Arnoux
2 In Stock
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1 +
£ 2363.86
Megger
Rohs Verified
1009-845, Megger
1 In Stock
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1 +
£ 4189.95
BK Precision
Rohs Verified
BK2840, BK Precision
9 In Stock
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1 +
£ 574.09
BK Precision
Rohs Verified
BK2841, BK Precision
8 In Stock
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1 +
£ 1411.96
Aoip Instrumentation
OM 17, Aoip Instrumentation
27 In Stock
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1 +
£ 3575.68
Chauvin Arnoux
Rohs Verified
CA 6255, Chauvin Arnoux
27 In Stock
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1 +
£ 3555.38
Megger
Rohs Verified
1006-600, Megger
4 In Stock
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1 +
£ 4394.25
Rhopoint
M210, Rhopoint
99 In Stock
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1 +
£ 443.39
Cropico
DO4002, Cropico
8 In Stock
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1 +
£ 818.10
Aim-TTi
BS407, Aim-TTi
14 In Stock
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1 +
£ 685.80
Megger
Rohs Verified
1006-598, Megger
2 In Stock
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1 +
£ 3663.00
Cropico
DO4000, Cropico
25 In Stock
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1 +
£ 672.30
Cropico
DO7, Cropico
2 In Stock
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1 +
£ 2540.70
Aoip Instrumentation
OM 10, Aoip Instrumentation
1 In Stock
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1 +
£ 1723.58
Gossen Metrawatt
M630A, Gossen Metrawatt
2 In Stock
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1 +
£ 385.05
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New Items
New items
BK2841, BK Precision

BK2841, BK Precision

The 2840 Series DC resistance meters feature high accuracy and resolution measurements in the milliohm range. Both meters are ideally suited for measuring contact resistance of relays, switches, and PCB traces, typically outside the resistance range of multimeters. The vivid 4.3-inch TFT LCD color touch screen and keypad provide intuitive operation. Both models feature low power resistance testing (LPR) modes and variable measurement speeds that are suited for a wide range of applications. 4.3-inch color touch screen 4-wire terminal Kelvin test leads included Low power resistance mode to protect DUT Fast measurement speed up to 20 ms/reading to increase manufacturing throughput Bin-sorting with statistical measurement Screen capture to USB drive Standard RS232, USB (USBTMC and virtual COM) and LAN (2841 only) interfaces
New items
DO4002, Cropico

DO4002, Cropico

Handheld 4000 Series True 4 terminal measurement to eliminate lead resistance errors 4000 count 15mm LCD screen with LED indicators Auto/manual range selection Enhanced accuracy with auto-average for forward and reverse measurement currents to eliminate error due to thermal emf True Zero button Auto power-off saves battery life Protected to IP54 Supplied with: 5 x AA alkaline batteries, measuring leads with Kelvin clips and instructions. DO4002 specification Range Resolution Accuracy Typical Current 400Ω 100Ω ±(0.05% Rdg +0.02 % FS) 1mA 40Ω 10mΩ ±(0.05% Rdg +0.02 % FS) 10mA 4Ω 1mΩ ±(0.05% Rdg +0.02 % FS) 100mA 400mΩ 100μΩ ±(0.05% Rdg +0.03 % FS) 1A 40mΩ 10μΩ ±(0.05% Rdg +0.05 % FS) 1A 4mΩ 1μΩ ±(0.05% Rdg +0.1 % FS) 1A DO4000 specification Range Resolution Accuracy Typical Current 4kΩ 1Ω ±(0.05% Rdg +0.02 % FS) 100μA 400Ω 100mΩ ±(0.05% Rdg +0.02 % FS) 1mA 40Ω 10mΩ ±(0.05% Rdg +0.02 % FS) 10mA 4Ω 1mΩ ±(0.05% Rdg +0.03 % FS) 10mA 400mΩ 100μΩ ±(0.05% Rdg +0.05 % FS) 10 mA 40mΩ 10μΩ ±(0.05% Rdg +0.1 % FS) 100mA
New items
CA 6255, Chauvin Arnoux

CA 6255, Chauvin Arnoux

An easy-to-use, high-performance instrument, the c.a 6255 micro-ohmmeter tests the quality of connections with precision through the use of low resistance measurements. Featuring a 4-wire measurement method and automatic compensation of stray voltages at input terminals. 3 measurement modes available depending on the application: inductive, non-inductive and non-inductive with automatic trigger temperature compensation function for comparative results. Optimized current generator on inductive objectsMeasurement up to 2,500 , resolution 0.1 Automatic compensation of stray voltagesCalculation of R at a reference temperature Pt100 probeAutomatic discharge after testProgrammable alarmsStorage of up to 1,500 measurementsCommunication with a PC
New items
BK2840, BK Precision

BK2840, BK Precision

The 2840 Series DC resistance meters feature high accuracy and resolution measurements in the milliohm range. Both meters are ideally suited for measuring contact resistance of relays, switches, and PCB traces, typically outside the resistance range of multimeters. The vivid 4.3-inch TFT LCD color touch screen and keypad provide intuitive operation. Both models feature low power resistance testing (LPR) modes and variable measurement speeds that are suited for a wide range of applications. 4.3-inch color touch screen 4-wire terminal Kelvin test leads included Low power resistance mode to protect DUT Fast measurement speed up to 20 ms/reading to increase manufacturing throughput Bin-sorting with statistical measurement Screen capture to USB drive Standard RS232, USB (USBTMC and virtual COM) and LAN (2841 only) interfaces
New items
OM 17, Aoip Instrumentation

OM 17, Aoip Instrumentation

AOIP OM 16 micro-ohmmeter for field use The OM16 micro-ohmmeter for field use is able to measure metallisation type or winding measurement low resistances on site and has a long battery life. Measuring current of up to 10 A - Resolution 0.1 μΩ. Ranges from 5 mΩ → 2500 Ω. Choice of type of resistance measured - selfic or non-selfic. DC measurement. Measurement trigger: Manual or automatic. Pliers and measurement points connected by locking sockets to avoid connection errors and unwanted disconnections. Measurements on 4 wires of pure and highly selfic resistances such as: - Power supply cable - Earthing check: - Mechanical connection: - Engine, windings, high power transformers -Metallisation and resistance of contacts -Measurement on fuses - Cable strands. Recording of 1500 values with identification and reading on the display or using the LOG OM software. Automatic compensation for EMF parasites, eliminating errors in measurement. Display of the measured resistance value at a programmable temperature in °C, depending on the ambient temperature and the temperature coefficient of the metal being measured. Power supply with quick-charge battery, providing 5000 measurements at 10A. Integrated battery charger, 90 → 264 V / 45 → 420 Hz. Rating Resolution Measuring current Accuracy 5 mΩ 0.1 μΩ 10 A 0.05 % L+ 0.5 μΩ 25 mΩ 1 μΩ 10 A 0.05 % L+ 3 mΩ 250 mΩ 10 μΩ 10 A 0.05 % L+ 30 μΩ 2.5 Ω 100 μΩ 1 A 0.05 % L+ 0.3 mΩ 25 Ω 100mA 0.05 % L+ 3 mΩ 250 Ω 10 mΩ 10mA 0.05 % L+ 30 mΩ 250 Ω 100mΩ 1 mA 0.05 % L+ 300 mΩ Operating temperature: –10 °C → +55 °C (10 → 80% RH) The device is protected against self measurement breaking currents Dimensions (mm): 270 x 250 x 180 mm Weight: 4 kg Accessories needed: AMT005: double concentric Kelvin contact point; Mounted on metallic rod with handle. 5 m cord and locking socket adapted to the OM16 The measurement is taken by pressing on a point (...
New items
715PB, Facom

715PB, Facom

The Facom megohmmeter multimeter and insulation tester suited to hybrid and electric vehicles. Leak current detection Protection cover included
New items
P01143221, Chauvin Arnoux

P01143221, Chauvin Arnoux

An easy-to-use, high-performance instrument, the c.a 6255 micro-ohmmeter tests the quality of connections with precision through the use of low resistance measurements. Featuring a 4-wire measurement method and automatic compensation of stray voltages at input terminals. 3 measurement modes available depending on the application: inductive, non-inductive and non-inductive with automatic trigger temperature compensation function for comparative results. Optimized current generator on inductive objects Measurement up to 2,500 Ω, resolution 0.1 μΩ Automatic compensation of stray voltages Calculation of R at a reference temperature – Pt100 Ω probe Automatic discharge after test Programmable alarms Storage of up to 1,500 measurements Communication with a PC
New items
1008-090, Megger

1008-090, Megger

Low Resistance Ohmmeter DLRO10HDX Heavy-duty low-resistance ohmmeter combining rugged construction with accuracy and ease of use. The unit can be powered from a rechargeable battery or mains power making it suitable for continuous testing in production line and repetitive use environments. Featuring rotary switch controls which are simple and easy to operate in all weather conditions and with gloved hands. A large, clear, backlit LCD display is easy to read from a distance. The DLRO10HDX is capable of delivering 10 A into measurements up to 250 mΩ and 1 A into measurements up to 2.5 Ω. The unit provides five test modes each of which is selected through a simple rotary control on the Mode selection rotary switch. All memory functions, delete, download to PowerDB and recalling test results are also accessible via the Range Selection rotary switch. Features and Benefits • NEW On-board memory storage for test results up to 200 records (HDX only) • Download to PowerDB • NEW interchangeable test lead terminations • High or low output power selection for condition diagnosis • Operates from battery or AC mains supply • Protected to 600 V without blowing a fuse, test lead live voltage warning light • Heavy duty case: IP 65 lid closed, IP54 operational • Simple rotary switch selection of five test modes, including auto start on connection • 7Ah lead acid battery provides extended operation and can be charged whilst operating from line power • Rotary mode switch with bidirectional (current reversal with averaging cancels thermal EMFs), unidirectional, automatic, continuous and inductive modes • Large...
New items
BS407, Aim-TTi

BS407, Aim-TTi

Milli/Micro Ohm BS407 Portable instrument (98 x 219 x 240mm, 1.5kg) capable of measuring very low resistance to high accuracy. Unusually wide measuring range combined with features such as a 20mV clamp makes for wide range of applications. Wide measurement range of 1m to 20kFour terminal measurement using Kelvin lead setHigh basic accuracy of 0.1%Current reversal switch for thermal EMF detectionCurrent diversion switch for easy zero settingBattery operation (Ni-MH) with built-in chargerMinimal warm-up timeSwitchable 20mV clamp for 'dry circuit' testingRangeResolutionTest Current19991250mA19.991050mA199.9m10010mA1999m1m5mA19.9910m500A199.9100m50A1999150A19.99k1010AAccuracy 0.05% reading 0.1% rangeTempco 30ppmPowerInternal Ni-MH batteries giving from 8 to 150 hours operation. Built-in mains charger 230V or 115V internal settingSafety and EMCComplies with EN61010-1 and EN61326Supplied with Kelvin test lead set, operating manual, mains lead.
New items
M630A, Gossen Metrawatt

M630A, Gossen Metrawatt

Low-resistance measuring device METRAOHM 413 Overvoltage protection Signalling of external voltage: by LED, acoustic, measurement value Protection rating IP 65 Zero calibration of test leads Measurement range: 0.01 → 200 Ω Digital low-resistance measuring device compliant with DIN VDE 0413 Part 4 and EN 61 557 Parts 1 and 4. Supplied with METRAOHM 413, pluggable measurement lead, battery, operating instructions
New items
61-200-0600RoHS, EUROSTAT

61-200-0600RoHS, EUROSTAT

The EUROSTAT Ohm meter is s surface resistance meter measures high resistance up to 2 Tera-Ohm and registers at the same time humidity and air temperature values. Suitable for mobile use with compact housing and rechargeable batteries. Measures resistance, temperature & humidity at the same time
New items
1006-601, Megger

1006-601, Megger

Megger Ohmmeter, 2.6kg Weight, 0.1 μ Ω to 2000Ω Resistance Measurement Range - DLRO Series - 1006-600 Features & Benefits Applications Does this device come with test leads?
FAQs
We offer free shipping for orders over £200 if delivery is in the UK. All other orders in the UK, shipping from £7.99 depending on the weight and measurement. Mainland Europe shipping charges start from £25. For all other countries shipping charges start from £50 for products like Ohmmeters and all others.
You can email us directly at sales@enrgtech.co.uk or via our website for any queries regarding Ohmmeters or any other product.
This depends on the Ohmmeters individual product and information that can be found on our website.
Yes, we offer special discounts on orders above £200 for Ohmmeters and all other products.
UK orders normally take between 2/3 working days. International orders normally take between 3/5 working days for all products including Ohmmeters.
Yes. We keep updating our stock frequently and if a product like Ohmmeters is not in stock then we will let you know.