Martindale CP520 Socket Tester with Earth Test Point
The Martindale CP520 Socket Tester with Earth Test Point provides a fast and effective way to check socket wiring conditions. It quickly identifies 28 fault types using a clear LED display, making it a valuable tool for electricians and engineers. Its compact design ensures ease of use in various testing environments, allowing for accurate results with minimal effort.
Reliable Earth Connection
Unlike standard socket testers, the Martindale CP520 includes a 4mm earth test point for a banana plug connection. This feature ensures a strong and reliable earth, which is essential for telecoms and broadband testing. The additional connection point makes it ideal for applications where precise earth integrity is necessary.
Designed for Professional Use
Developed in collaboration with the telecoms and broadband industry, the Martindale CP520 is engineered for environments where fibre optic network accuracy depends on a secure earth. The tough sculpted design allows for easy handling and removal, even in demanding conditions. Its durable construction ensures longevity in daily professional use.
This socket tester operates at 230V with minimal power consumption, making it an energy-efficient addition to any toolkit. With compliance to relevant safety standards and simple, intuitive operation, the Martindale CP520 is an essential device for professionals who require precise and reliable socket testing.
Key Features
- Detects 28 wiring faults in standard sockets
- Bright LED indicators provide clear fault codes
- 4mm earth test point ensures accurate readings
- Rugged design for durability and easy handling
- Operates at 230V with low power consumption
- Compact size allows for convenient storage
- Ideal for telecoms and broadband applications
- Supports fibre optic network accuracy testing
- Identifies open earth and neutral faults efficiently
- Complies with industry safety standards


