
DM239A High-Sensitivity Portable Metal Detector
The DM239A is a high-sensitivity metal detector, ideal for security and inspection tasks. Its durable ABS construction, LED indication, and multiple alarm modes make it suitable for detecting metal objects with precision in a variety of environments, both indoors and outdoors.
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Description
Detailed Description
The DM239A metal detector combines portability, reliability, and high sensitivity for versatile use. Weighing only 360g and measuring 410mm in length, it is designed for easy handling and extended usage. Its yellow and black color scheme enhances visibility, and the ABS material ensures durability.
Key features include:
- LED Indicators: Clear visual alerts with green for power-on and red for target detection.
- Multiple Alarm Modes: Choose between sound, vibration, or a combination to match specific operational needs.
- High Sensitivity Detection: Capable of detecting small metal objects like pins, razor blades, and larger items like pistols and steel balls at varying distances.
- Energy Efficiency: Operates on a single 9V AA battery with low power consumption, ensuring long-lasting use.
With a 25kHz operating frequency and reliable performance in temperatures from -20°C to 50°C, the DM239A is built to handle diverse conditions while maintaining exceptional accuracy.
Applications
The DM239A is widely used in environments requiring metal detection for safety and security, including:
- Security Checks: Airports, stations, docks, and exhibitions.
- Educational Institutions: Examination rooms requiring strict adherence to no-metal policies.
- Cultural Preservation: Museums and galleries to ensure the safety of exhibits.
- General Use: Suitable for indoor and outdoor applications where metal detection is necessary.
Advantages
- Exceptional Sensitivity: Detects a variety of metal objects with high precision.
- User-Friendly Alerts: LED indicators and multiple alarm modes make operations intuitive.
- Portable Design: Lightweight and compact, making it ideal for prolonged use.
- Durable Construction: ABS material ensures reliability in challenging conditions.
- Wide Application Range: Suitable for professional and everyday security needs.
Specifications
| Parameter | Details |
|---|---|
| Model | DM239A |
| Material | ABS |
| Color | Yellow and Black |
| Product Weight | 360g (12.6 oz) |
| Product Size | 410×85×45mm (16.1×3.3×1.7 inches) |
| Power Supply | 9V AA Battery (6F22) |
| Power Consumption | Buzzer: 0.4W; Vibration: 0.7W |
| Operating Frequency | 25kHz |
| Standby Current | 0.003A |
| Working Current | 0.02A |
| Operating Temperature | -20°C to 50°C |
| Detection Distance |
- Big Head Pin: 2–3cm
- Razor Blade: 5–10cm
- Pistol: 10–15cm
- 20mm Diameter Steel Ball: 8–10cm |
| LED Indicators | Green: Power On; Red: Target Detected |
| Alarm Modes | Sound, Vibration, Sound & Vibration |
DM239A ensures precise metal detection and reliable performance, making it an essential tool for security and inspection tasks.




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