What is the DL9110 18th Edition Multifunction Tester?
The DL9110 is a comprehensive multifunction tester built for UK domestic and light commercial electrical installations. Specifically designed for professional electricians working to the 18th Edition wiring regulations, it enables loop‑impedance, continuity, insulation and RCD testing in one intuitive instrument. With features like non‑trip loop measurement and a colour‑changing LCD display it helps you work faster, safer and with confidence on the job site.
How does the DL9110 stand out in everyday use?
This tester is ideal if you’re an electrician looking for reliable, all‑in‑one test equipment for BS 7671 compliance. It’s ready to be worn around the neck with its harness, offers automatic test sequences and includes full protection in the event of accidental live connection. In short, fewer trips back to the van, faster test routines and strong compliance credentials.
Key Benefits for UK Electricians
Designed specifically for the needs of electricians testing to the 18th Edition — covers loop‑impedance, continuity, insulation and RCD testing.
Non‑trip loop testing feature means minimal disruption when testing circuits with sensitive RCD/RCBO protection.
Large colour display with clear pass/fail indication helps you communicate results quickly and confidently to clients.
Supplied with carry case and full UKAS‑traceable calibration certificate — helps maintain your calibration records and professional image.
Built‑for‑site durability and usability — comfortable harness, intuitive interface and full safety protection for live connection scenarios.
Order today to enjoy free delivery, expert support and our 90‑day satisfaction guarantee. Need advice? Our team is here to assist you.
Why choose Instrotech for your electrical test equipment?
With over 40 years’ experience supporting UK electricians, technicians and engineers, Instrotech is your trusted partner for quality tools and expert service. When you purchase from us, you benefit from:
Free UK shipping on all orders
Access to our knowledgeable technical support team
Available calibration services to maintain safety compliance
A 90-day money-back guarantee for complete peace of mind
We’re committed to helping you work safely and efficiently with industry-leading products and ongoing support.