Accuracy and performance like never before

Step into smart installation with confidence with the KT60DL range from Kewtech.

Accuracy and performance like never before

Step into smart installation with confidence with the KT60DL range from Kewtech.

Welcome to the future of electrical testing

Whether you're a domestic installer, commercial contractor, or industrial engineer, the KT60DL range delivers the essential tools and advanced features you need to work smarter and faster.

From the compact and portable KT64DL, ideal for tight spaces and everyday tasks, to the versatile and memory-rich KT65DL built for dynamic testing needs, and finally to the feature-packed KT66DL, Kewtech's flagship unit for advanced applications including EVSE, SPDs, and earth resistance - the DL series has a model tailored to your workflow.

Which tester is right for me?

KT64DL

KT65DL

KT66DL

Loop testing

Low-current

High & low

Dual-mode (2/3 wire)

RCD testing

AC, A

AC, A, S

AC, A, B, EV, 6mA

Insulation test

250/500/ 1000V

250/500/ 1000V

Adjustable 100-1000V

Earth resistance

No

Yes

Yes

EV / SPD testing

Basic
(6 mA, SPD)

Mid-range

Full EV & SPD

Memory

No

Manual recall

Advanced + bluetooth

Display

Backlit LCD

Backlit LCD

Full-colour + on-screen help

Best for

Compact jobs

Versatile work

Advanced/EV testing

Which tester is right for me?

KT64DL

Compact and capable

2-wire & no trip loop testing
Type AC, A RCD testing types
250V / 500V / 1000V insulation resistance testing
Basic EV & SPD testing capability (6 mA, SPD breakdown)
PSC/PPC measurement
Continuity & resistance (auto-null)
AC/DC voltage measurement (true RMS)
Phase rotation
Backlit LCD display
Ramp test & auto RCD memory
IP54 rating, magnetic strip
6 x AA batteries
1.2kg weight

KT65DL

Versatile and powerful

High-current (25A), low-current loop testing
Type AC, A, Selective RCD testing types
250V / 500V / 1000V insulation resistance testing
Earth resistance testing
Intermediate EV & SPD testing capability
PSC/PPC measurement
Continuity & resistance (auto-null)
AC/DC voltage measurement (true RMS)
Phase rotation
Memory & auto-storage (manual recall)
Backlit LCD display
PAT testing compatability (optional, with adaptor)
Ramp test & auto RCD memory
IP54 rating, with lid
6 x AA batteries
1.4kg weight

KT66DL

The ultimate testing platform

Dual-mode: low/high current, 2/3-wire loop testing
Type AC, A, B, Selective , EV, 6 mA RCD testing types
Fully adjustable: 100V - 1000V
Earth resistance testing
Full EVSE (Type B, 6mA) & SPD analysis
PSC/PPC measurement
Continuity & resistance (auto-null)
AC/DC voltage measurement (true RMS)
Phase rotation
Memory & auto-storage (tagged, searchable memory)
Full-colour with help & navigation menus
PAT testing compatibility (optional, with adaptor)
Bluetooth & USB data transfer / connectivity
Advanced ramp test & auto RCD memory
IP54 rating, rubber armour
Rechargeable battery pack
1.3kg weight
On-screen help & guided menus

Top features and benefits

Dual loop testing

RCD auto & ramp tests

SPD & earth resistance

SPD & earth resistance

Colour display (KT66DL only)

Memory & bluetooth (KT66DL only)

Why choose Kewtech?

Kewtech is known for producing high-performance tools that make electrical testing faster, easier, and more reliable. Whether you're a qualified electrician, an installer, or a testing engineer, Kewtech products offer the features, compliance, and durability you need on-site.

Built for the UK market

All Kewtech products are designed to meet UK wiring regulations (BS 7671) and built with the needs of UK electricians in mind, from testing tools to calibration accessories.

Built to meet BS 7671 standards and UK testing needs.

Trusted by professionals

Used by electricians, contractors & training providers.

From solo installers to major contractors and training providers, Kewtech is widely used and recommended across the trade. Their testers are known for consistent, reliable performance.

Innovation that works

Kewtech stays ahead of industry needs with features like 6 mA EV RCD testing, SPD verification, and intuitive user interfaces. They design tools that solve real-world problems.

EV testing, SPD checks, dual-mode loop testing & more.

Built for the job site

Double IP-rated designs with user-friendly layouts ensure Kewtech tools stand up to tough conditions while remaining practical and easy to use.

IP-rated, job-site ready, and easy to use.

Complete testing solutions

Whether you need multifunction testers, PAT testers, voltage indicators, or accessories, Kewtech offers a full portfolio of professional-grade equipment.

Multifunction testers, PAT kits, accessories & more.

Ongoing support

Expert advice, calibration, and after-sales service.

Kewtech backs its products with responsive technical support, calibration services, and clear documentation, helping electricians stay safe, accurate, and efficient.

Need to calibrate your Kewtech instrument?

Keep your Kewtech tester accurate, safe, and compliant with professional calibration services from Test4Less.

Prices start from £15

Buying Kewtech in bulk?

Looking to buy Kewtech instruments in bulk? Test4Less offers competitive pricing, tailored packages, and expert support for teams, businesses, and training centres.

Can't find the item you're looking for?

Can't find the Kewtech item you're looking for? Get in touch and we'll help you source it quickly through our expert team.