Electrical Test
Equipment Calibration

DM Calibration is the UK’s leading electrical calibration service provider.


ISO/IEC 17025 Accredited Lab

DM provides the highest standard of calibration and corrective repair services for electrical test and measurement equipment.

DM Calibration’s highly accurate, fast-turnaround electrical equipment calibration services enhance the quality of your test results. With the UK’s best-equipped electrical laboratory, we deliver ISO-9001, national traceable and UKAS standard calibrations, covering a wide variety of parameters. We provide solutions for all major RF, electrical and microwave test parameters.

All your electrical calibration needs in one place.

DM Calibration has the most comprehensive electrical calibration service offering in the United Kingdom.

Covering every major electrical parameter, the entire RF and microwave frequency range, we offer the most comprehensive calibration service in the United Kingdom. Our fully managed calibration service takes care of everything from inspection and repair, to cloud calibration certificate management.

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DC Voltage

(0V to 1000V)


(500 pF to 330μF)

DC Current

(0V to 1000A)

DC Current

(0.1 Hz to 10 MHz)

DC Resistance

(0 Ω to 1 GΩ)*

Time Intervals

AC Voltage

(3 μV to 1020 V)*



(0.01 μA to 500 A)*


A Guide To Electrical Calibration

Discover our full range of electrical calibration capabilities, calibration management services and advice for manufacturers to make calibration as seamless and straightforward as possible.

All electrical test equipment covered.

Our electrical and RF-dedicated lab calibrates a wide-range of test equipment.

Our fully-equipped and dedicated electrical calibration lab can calibrate all of the following equipment:

Data loggers decade boxes

Ammeters – amplifiers
Attenuators – bridges
Capacitance meters
Crimp tools & testing
Current standards
Earth bond testers
Frequency counters
Insulation testers


LCR meters
Loop testers
Milli-volt pot sources
Ohm meters
Optical detectors
PAT testers
Phase indicators
Power supplies

RCD testers

Rate of fire monitors
Shunts signal generators
Stop watches
Tachometers testers
Flash testers
Velocity computers voltage standards
7th edition multi-function testers

Electrical test equipment calibration FAQs

Electrical calibration is the process of testing and verifying the accuracy of an item of electrical test equipment. Electrical calibration involves the documented comparison of the equipment against a traceable reference device. Parameters that are tested usually include current, voltage, resistance, electrical power and inductance.

UKAS calibration

DM Calibration operates two UKAS-accredited laboratories that cover all major electrical and mechanical parameters.

Fully traceable

Our traceable calibration services are delivered at your premises, or at our labs with a guaranteed fast turnaround.


We can expedite your equipment to keep your operations in full swing.

Full audit trail

Demonstrate compliance quickly and easily with our cloud-based certificate platform.

Book your calibration

Our experts are on-hand to handle all of your calibration needs.