Extech MD10 Magnet Detector (Magnetic Field Detector)
The Extech MD10 magnet detector is a compact and easy-to-use tool designed to quickly identify the presence of magnetic energy without direct contact. This pen-style device is ideal for fast checks and troubleshooting tasks in electrical, mechanical, and industrial environments.
It detects AC, DC, and permanent magnetic sources, making it a practical solution for engineers, technicians, and maintenance professionals. As a non-contact device, it allows users to safely confirm whether a field is present without touching the source.
Simple and Reliable Detection
This device is designed for quick and straightforward testing. It works without physical contact, allowing users to check components safely and efficiently.
- Detects AC fields from electrical equipment
- Detects DC fields from powered systems
- Detects permanent magnets
A blue LED indicator at the tip clearly shows when a field is detected, making it easy to use in real working conditions.
Ideal for Troubleshooting and Maintenance
The Extech MD10 magnetic field detector is widely used for troubleshooting electrical and mechanical systems. Its fast response makes it useful for identifying faults and confirming correct operation.
Common uses include:
- Testing relays and coils
- Checking solenoid valves in pneumatic and hydraulic systems
- Verifying speaker coils in audio equipment
- Identifying field presence in machinery
It is a reliable tool for maintenance engineers and technicians working in a range of industries.
Built-In Flashlight for Low-Light Areas
A built-in flashlight allows users to work more easily in dim or enclosed spaces.
- Bright LED torch for improved visibility
- Useful in control panels and cabinets
- Helps improve accuracy during inspections
This feature makes the device especially useful in real working environments.
Compact and Portable Design
The unit features a slim, pen-style design that is easy to carry and operate.
- Lightweight and compact
- Pocket clip for convenience
- Simple one-hand operation
The Extech MD10 magnet detector is ideal for quick checks, inspections, and on-site work.
Why Choose the Extech MD10 Magnet Detector?
The Extech MD10 magnet detector is a simple yet effective solution for quick diagnostics and troubleshooting. It provides fast, clear results without the need for complex setup or direct contact.
Whether you are testing electrical components or checking for the presence of a field, it offers a practical and reliable way to work safely and efficiently.
Magnet Detector – Technical Specifications
| Features | |
| Detection Type | AC, DC, and permanent magnets |
| Detection Levels | Detection levels: 63H, 98H, 401H, 810H (magnetic field strength reference levels) |
| Indicator | Blue LED visual indication |
| Additional Features | Built-in flashlight, low battery indicator |
| Power Supply | 2 × AAA batteries |
| Operating Temperature | -10 to 50°C |
| Dimensions | 159 × 21 × 25 mm |
| Weight | 48 g |
| Certifications | CE |
| Warranty | 2 years |
Applications:

Electrical Testing
- Check relays and coils
- Confirm operation of components
Mechanical Systems
- Troubleshoot solenoid valves
- Check pneumatic and hydraulic systems
Automotive Diagnostics
- Test electrically controlled systems
- Identify activity in vehicle components
Audio Equipment
- Verify speaker coil operation
- Detect magnetic response
General Maintenance
- Perform quick inspections
- Identify faults in equipment
❓ Frequently Asked Questions (FAQ)
Q1: What does the Extech MD10 magnet detector detect?
A. It detects AC, DC, and permanent magnetic sources, helping users confirm whether a field is present.
Q2: Does it require contact to work?
A. No, it is a non-contact device and does not need to touch the source.
Q3: What is it used for?
A. It is commonly used for testing relays, solenoid valves, and other components.
Q4: Does it have a flashlight?
A. Yes, it includes a built-in light for use in low-light environments.
Final Thoughts
The Extech MD10 magnet detector is a reliable and easy-to-use tool for identifying magnetic energy in a wide range of environments. With its simple design and clear indication, it is well suited for everyday testing and troubleshooting.