The SA-IIIC high-sensitivity digital walkthrough metal detector utilizes advanced electromagnetic testing and digital processing technology. It offers exceptional detection capabilities for both magnetic and non-magnetic metals, as well as excellent recognition of personal items such as coins, keys, and belt buckles.
Key Technology Features
1. Detects even small metal objects like paper clips, ideal for high-level security checks.
2. Equipped with multi-zone high-brightness LED lights to indicate the exact location of detected items along with a sound alarm.
3. Combines digital and analog technologies for strong anti-interference capability, minimizing false alarms.
4. Strong self-diagnosis function, real-time monitoring, and combined sound and light alarms for errors.
5. Outer cover made from high-strength material, offering waterproof, fireproof, corrosion-resistant, and shockproof performance.
6. Modular design for easy installation and maintenance.
Outer Frame | 2220mm(H) x 820mm(W) x 500mm(D) |
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Inner Frame | 2000mm(H) x 700mm(W) x 500mm(D) |
Unit Weight | 70KG |
Max Detection Distance | 0.3m at low sensitivity; 0.5m at high sensitivity |
Power Supply | AC 100V–240V, 50/60Hz |
Power Consumption | 12 W |
Operating Environment | -20°C to +45°C |
Sensitivity Adjustment | 0–299 |
Alarm Type | Sound and Light Alarm |
Display | LED showing numbers |
Counting Function | Traffic and alarm counting |
Detection Zones | 6/12/18 zones available |
Light Bar | LED on door frame |
Operation Method | Keypad |
Sensitivity | High sensitivity capable of detecting even small metal objects like paper clips. Adjustable sensitivity range from 0–100 allows users to set weight, size, and location of metal items, reducing false alarms from common objects like coins, keys, and jewelry. |
Infrared Counting | Intelligent counter tracks passenger flow and alarm frequency. |
Detection Areas | Six overlapping detection areas provide simultaneous alarms and accurate identification of metal object locations based on their layout. |
Operating Temperature/Humidity | 5°C–40°C / 0%–90% (non-condensing) |
Functions:
This walkthrough metal detector is designed to detect dangerous items such as knives, weapons, guns, and any hidden metal objects on a person’s body, making it ideal for security checkpoints in airports, stadiums, and other public spaces.
RFQ – Frequently Asked Questions
Are you a manufacturer?
Yes, we are a professional manufacturer of security threat detection systems based in southern China. We focus on delivering stable quality and top-tier customer service.
How long does delivery take after payment?
If the product is in stock, delivery takes 3–5 days. If not in stock, production time is 10–15 days. Delivery options include sea or air freight depending on your preference.
What about warranty and after-sales support?
We offer a 1-year warranty and lifetime technical support. Our engineers can be sent to your country for training at an additional cost. Free one-on-one training is also available at our factory.






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NINGBO JIECHENG ELECTROMECHANICAL CO.,LTD. , https://www.jiechengmechanical.com