NJTY T003 Smart Socket Tester with LCD Display & RCD Safety Test

£19.99

£19.99 £10.77

NJTY T003 Smart Socket Tester with LCD Display & RCD Safety Test

Product Overview

Ensure electrical sockets are wired safely and correctly with the NJTY T003 Smart Socket Tester. Designed for electricians, contractors, landlords and DIY users, this intelligent tester instantly checks socket wiring, polarity, voltage and frequency while displaying results on a clear digital LCD screen.

With built-in RCD (Residual Current Device) safety testing, the NJTY T003 helps identify common wiring faults and verify the operation of protected circuits, making it an essential tool for electrical inspections and routine safety checks. It supports AC supplies from 90–250V and displays both voltage and frequency on screen.

Key Features

✔ Digital LCD display with live voltage and frequency readings

✔ Instantly detects socket wiring faults

✔ Built-in RCD (Residual Current Device) safety test

✔ Detects incorrect polarity and grounding faults

✔ Plug-and-play operation – no batteries required

✔ Compact, lightweight and easy to carry

✔ Suitable for 90–250V AC electrical systems

✔ Ideal for professional electricians and DIY users

Perfect For

Electricians
Landlords
Property Inspectors
Maintenance Engineers
Homeowners
Building Contractors
Workshop Testing
DIY Electrical Safety Checks

Specifications

Brand: NJTY
Model: T003
Product Type: Smart Socket Tester
Display: Digital LCD
Operating Voltage: 90–250V AC
Frequency Range: 45–65Hz
Voltage Accuracy: ±(2% + 5 digits)
Functions: Voltage Test, Frequency Display, Wiring Detection & RCD Test
Working Current: <3mA (Normal Mode)
Material: ABS Plastic
Plug Type: UK / EU / US (model dependent)

Detects Common Wiring Faults

✅ Correct Wiring
❌ Open Ground (Earth)
❌ Open Neutral
❌ Live/Neutral Reversed
❌ Live/Ground Reversed
❌ Live/Ground Reverse with Missing Ground

What's Included

1 × NJTY T003 Smart Socket Tester
1 × User Manual

Why Buy From Mr Fix Tools?

🇬🇧 Fast UK Delivery
🔒 Secure Checkout
⭐ Professional Quality Tools
💬 Friendly UK Customer Support
📦 Carefully Packed & Shipped from the UK

Intelligent Detection

No professional skills required—this tester makes it easy to check your home’s electrical safety anytime.

Stay Safe at Home

Electrical risks should never be overlooked. Regular testing helps identify potential hazards early and ensures a safer living environment.

Intelligent Digital Socket Tester with one-touch detection

6 Different Wiring Status

Instantly identify 6 different wiring conditions at a glance—making troubleshooting fast, easy, and hassle-free.

Attention⚠1. Please be careful not to touch the RCD button of the leakage test during use to avoid accidentally triggering the leakage protection switch and avoid unnecessary damage. ⚠ 2. When incorrect wiring is detected, please find a professional electrician for repair.

Widely Used Scenarios

Product Technical Parameters

Warning.⚠ lase read the instruction manual carefully before use and strictly observe the precautions, warnings and cautions listed in the safety rules and instructions. ⚠ SAFETY INSTRUCTIONS To avoid electric shock or personal injury. Please check carefully before use, starting with the tester. Verify that it is not damaged in any way, and if it is, stop using it immediately and send it in for repair.

⚠ Check the tester and then plug it into a known correct socket for testing. Make sure the test functions correctly before use. ⚠ The leakage switch test function must be performed with correct wiring and with a leakage switch on the circuit. ⚠ When testing the leakage switch, turn off all equipment on the power line to ensure that a power failure will not cause any damage.

⚠When testing in a public place, you must obtain permission before performing the test. ⚠ When using the tester to detect wiring errors in outlets, call a professional electrician for repairs.