Open/close induction coil, induction heating coil, heating coil, quenching coil Ningbo Dedao Electronic Technology Co., Ltd , https://www.nbdedao.com
**4 Zone UB400 Walk-Through Metal Detector**
The **UB400** is a high-performance, four-zone walk-through metal detector designed for security applications in various industries. It offers accurate detection, user-friendly operation, and reliable performance. Below are the key specifications and features of this model:
### Specifications
- **Model No.:** UB400
- **Display:** 4 Digital LED Count
- **Color:** Grey
- **Alarm:** Sound & LED Alarm
- **Gross Weight:** 58kg
- **Warranty:** 24 Months
- **Sensitivity:** Adjustable from 0 to 100
- **Package:** 90 PCS per 20FT container
- **Version:** English Version
- **Trademark:** UNIQSCAN
- **Transport Package:** Carton Box
- **Specification:** 2290mm x 560mm x 190mm, 760mm x 380mm x 260mm
- **Origin:** China
- **HS Code:** 8543709100
### Technical Details
| **Parameter** | **Details** |
|------------------------|----------------------------------------------|
| Detecting Zone | 4 Zones |
| Display Way | 4 Digital LED Count |
| Sensitivity | 0–100 Adjustable |
| Power Supply | AC 85V–264V |
| Working Temperature | -20°C to +50°C |
| Working Frequency | 4KHz–8KHz |
| Gross Weight | 58KG |
| Warranty | 2 Years |
| External Size | 2200mm (H) x 800mm (W) x 480mm (D) |
| Internal Size | 2010mm (H) x 700mm (W) x 400mm (D) |
| Door Panel Packaging | 2260mm x 550mm x 260mm per carton |
| Control Unit Packaging | 780mm x 390mm x 250mm per carton |
### Key Features
- **Four overlapping detecting zones** with simultaneous multi-zone alarms.
- **Adjustable sensitivity** for each zone, offering up to 100 levels of precision.
- **Sound and LED alarm system**, with dual-side LED indicators to easily locate the detected object.
- **Automatic counting** of passengers and alarm events.
- **Alarm strength indicator** on the control panel for real-time feedback.
- **Password protection** to ensure only authorized personnel can operate the device.
- **Easy assembly** with just 2 cables and 8 screws, accompanied by simple installation instructions.
- **Safe for human use**, including compatibility with heart pacemakers, pregnant women, and sensitive electronic media.
- **High-density fireproof material** used in construction for added safety.
- **Self-diagnostic program** upon power-on, eliminating the need for initial or regular calibration.
- **Modular design** for easy maintenance and replacement of parts.
- **Sensitivity test piece:** A single yuan coin for omnidirectional detection.
- **Optional backup battery** providing 4–8 hours of power.
### Applications
This metal detector is ideal for use in:
- Exhibition centers
- Electronic factories
- Banks
- Prisons
- Government offices
- Hotels
- And other high-security areas
### Our Factory
[Image: 4 Zone UB400 Walk Through Metal Detector – 900px]
[Image: 4 Zone UB400 Walk Through Metal Detector – 640px]
[Image: 4 Zone UB400 Walk Through Metal Detector – 1060px]
[Image: 4 Zone UB400 Walk Through Metal Detector – 1027px]
[Image: 4 Zone UB400 Walk Through Metal Detector – 1060px]
[Image: 4 Zone UB400 Walk Through Metal Detector – 778px]
The **UB400** is a reliable and efficient solution for securing public and private spaces. With its advanced technology and user-friendly interface, it ensures both safety and convenience. Contact us for more details or to place an order.
Induction heating coil is a device that uses the principle of electromagnetic induction for induction heating. It is commonly used for heating metal materials, such as in industrial processes such as welding, heat treatment, and melting. The working principle is to generate eddy currents (induced currents) inside the heated metal through the alternating magnetic field generated when alternating current flows through the coil. This eddy current in turn generates its own magnetic field and interacts with the original magnetic field, causing heat to be generated inside the metal and achieving heating.
The design and application of induction heating coils have the following key points:
1. Induction coil structure: The coil is usually made of conductive materials such as copper or aluminum, and its shape and size are designed according to specific application requirements. It can be circular, square, or other shapes. The number of turns, diameter, and wire diameter of the coil can affect heating efficiency and power output.
2. Frequency selection: The efficiency and effectiveness of induction heating are related to the frequency of use. High frequency (several kilohertz to tens of megahertz) is suitable for rapid heating of thin-walled components, while low frequency (several hundred hertz to several thousand hertz) is more suitable for uniform heating of thick walled components. According to the frequency of induction heating equipment, it can be divided into high-frequency induction coils, intermediate frequency induction coils, ultra-high frequency induction coils, and ultrasonic induction coils
3. Power control: By adjusting the current input to the induction coil, the heating power and temperature can be controlled. This function is usually achieved using electronic devices such as thyristors and inverters.
4. Induction cooling system: In order to protect the heating area from overheating, an induction cooling system may be required, especially during continuous heating operations.
5. Safety measures: Induction heating equipment must be equipped with effective safety measures, including preventing electric shock, avoiding spark splashing, and ensuring good ventilation in the operating environment.
Induction heating coils are widely used in various fields such as metal processing, automotive manufacturing, aerospace, medical equipment, etc., and are one of the indispensable high-efficiency heating technologies in modern industry.