Welcome to Di-Log Test Equipment... measureably better


Di-Log Test Equipment is a supplier of quality electrical test instruments with the latest innovations in testing technology.

The range of equipment extends from simple voltage indicators to portable appliance testing systems and includes the award winning CombiVolt voltage and continuity testers and the 9083P multi function 17th Edition installation tester.

Our people are the real difference between us and other test equipment manufacturers. All of our people are dedicated to ensuring you get the products and service you need to do your job. There is no electronic receptionist here; you will be connected directly to a member of our customer support team.

One part of our service that remains unchanged is our continued commitment to quality and our determination to maintain a range of products that are at the very forefront of technology, which are in every sense of the word …measurably better.

The complete Di-Log range is available from electrical distributors nationwide. Call our customer services on 0800 018 9112 for your nearest stockist.


Do you have a Trade Counter TV display? Then why not download our Trade Counter Video to display our 'Core Range' of products. Please click and download the link below

Di-log Core TC Show


ApplianceTest PAT Offer


July 2016

Di-Log Introduce and explain Safe Isolation

Di-log Talk Safe Isolation









Elex Show 2012 Information












Click here to download a copy of our Core Special Offer Leaflet