Digital clamp meters are instruments which measure electrical current in a circuit. Some are open jaw or fork whereas some are clamp-on, which means they can be wrapped around copper cables. Clamp meters can be either digital or analogue and are also known as ammeters. They measure current in amps or milliamps and some have multimeter functions, such as the Fluke and Amprobe models which can also measure voltage and resistance. When electricians use these testers and current is measured in electrical or electronic circuits it’s generally placed in series instead of in parallel.
If you were to buy a cheap clampmeter it’s best to ensure that it is calibrated to ensure that all of the components are working correctly and to specification. More expensive options have the true RMS feature.
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Current Clamp Adaptors
A range of clamp adaptors for current measurements on various conductors. |

- UNI-T UT201 400-500A Digital Clamp Meter
- Clampmeter with multiple measurement modes
- £22.99

- UNI-T UT202 400-600A Digital Clamp Meter
- Clamp with large 28mm jaws
- £24.99

- Fluke H3 Clamp Meter Holster
- Fabric holster absorbs shocks and attaches to your belt
- £26.00

- Metrel Alphatek TEK694C Electrical Tester
- Open jaw digital tester
- £29.00

- UNI-T UT203 400-600A Digital Clamp Meter
- Versatile budget clampmeter
- £34.99

- Kewtech KT200 Digital AC Clamp Meter
- 400 amp AC Clamp Meter with 33mm Jaw
- £39.00

- Martindale CM51A Mini Clamp Meter
- Mini 300A clamp with useful features
- £42.00

- UNI-T UT207A 1000A Digital Clamp Meter
- Large jaws clamp meter
- £59.00

- Megger DCM310 Clamp Meter
- Measure A.C. current (50 - 60 Hz) up to 400A
- £59.95

- Fluke 321 AC Current Clamp Meter
- Want a compact instrument that's fully featured...
- £65.00

- Kewtech KEW2040 AC CAT IV Digital Clamp Meter
- 600 amp 600 Volt 33mm Clamp Meter
- £69.00

- Kewtech KT203 Digital AC/DC Clamp Meter
- Digital Clamp Meter 400 Amp 33mm Jaw
- £69.00

- Megger DCM320 Clamp Meter
- Measure ranges for A.C. and D.C. voltages up to 600v
- £69.95

- Fluke 322 400A AC Current Clamp Meter
- 40.00A range with 0.1A resolution
- £75.00

- Megger DCM330 Fork Multimeter
- Measure A.C. current with basic functions of multimeter
- £75.00

- Kewtech KEW2027 True RMS Digital AC Clamp Meter
- 600 amp true rms Digital Clampmeter
- £93.32

- Kewtech KEW2055 AC/DC CAT IV Digital Clamp Meter
- Digital Clamp Meter Measures upto 1000 amp 600v AC/DC
- £99.00

- Kewtech KEW2300R True RMS Digital AC/DC Fork Current Tester
- 100 amp True RMS fork Digital Clampmeter
- £99.00

- Megger DCM340 Clamp Meter
- No need to carry around both a clamp meter and multimeter
- £99.00

- Fluke i200 AC Clamp Adaptor
- Ideal for measurements in tight spaces..
- £102.00

- UNI-T UT233 Digital Power Clamp Meter
- Extremely versatile clamp meter with large jaws
- £109.00

- Kewtech KEW2046R True RMS AC/DC CAT IV Digital Clamp Meter
- Clampmeter with voltage and continuity 600 amp / 600 volt
- £119.95

- Kewtech KEW2056R True RMS AC/DC CAT IV Digital Clamp Meter
- 1000 amp AC/DC Digital Clamp Meter
- £144.95

- Fluke 114 and 322 Bundle 1
- Money saving clamp and multimeter bundle
- £149.00

- UNI-T UT241 Power & Harmonics Clamp Meter
- Clamp meter for power measurements
- £149.00

- Fluke 373 AC Clamp Meter
- Flexible work horse clamp with True-RMS
- £164.00

- UNI-T UT243 Power and Harmonics Clamp Meter
- Downloadable clamp meter device
- £169.00

- Kewtech KEW2434 Digital Earth Leakage Clamp Meter
- Earth Leakage Clamp Meter 400ma/4A/100A
- £174.00

- Fluke i410 AC / DC Digital Current Clamp Adaptors
- Clamp adaptors turn your Multimeter into a clamp meter.
- £178.00

- Fluke 902 Clamp Meter
- Ideal for heating, ventilation and air conditioning inspections
- £181.00

- Fluke 365 Detachable Jaw AC/DC Clamp Meter
- Rugged True RMS meter
- £186.00

- Kewtech KEW2002PA Digital High Current AC Clamp Meter
- 2000 amp AC Clamp meter with voltage measurement
- £187.36

- Kewtech KEW2003A Digital High Current AC/DC Clamp Meter
- 2000 amp AC/DC 750v AC Clampmeter
- £199.00

- UNI-T UT253A Large Jaws Leakage Current Clamp Meter
- Extremely large jaw clamp meter
- £229.00

- Fluke 374 True-RMS AC/DC Clamp Meter
- Work horse clamp with increased performance and flexibility
- £247.00

- MEGGER DCM300E Earth Leakage Clampmeter
- Designed with safety in mind
- £269.99

- Fluke i1010 AC / DC Digital Clamp Adaptor
- Supplied with heat resistant rubber cables...
- £278.00

- Martindale CM67 Earth Leakage Clamp Meter
- Easilty identify circuits causings RCDs to trip
- £289.00

- Fluke 375 True-RMS AC/DC Clamp Meter
- Work horse clamp with increased performance and flexibility
- £296.00

- UNI-T UT275 Clamp Earth Ground Tester
- Large jaw clamp meter
- £299.00

- Kewtech KEW 2432 Digital Earth Leakage Clamp Meter
- High sensitivty clamp meter with frequency selector
- £329.00

- Fluke 376 True-RMS AC/DC Clamp Meter
- Flexible work horse clamp with True-RMS
- £344.00

- Fluke 353 AC/DC Clamp Meter
- True-RMS, 2000 A Clamp Meter
- £371.00

- Fluke 381 Remote Display AC/DC Clamp Meter
- Clamp meter with a detachable remote display.
- £415.00

- Fluke 360 Leakage Clamp Meter
- Pocket sized leakage clamp meter
- £449.00

- Fluke 355 AC/DC Clamp Meter
- An even more versatile tool than the Fluke 353
- £506.00

- Kewtech KEW4200 Earth Resistance Clamp Tester
- True RMS Earth Resistance Tester 0.05 to 1200n
- £599.00

- Fluke 1630 Earth Ground Clamp Meter
- Fast and easy earth ground loop testing
- £940.00










