The Dahua ISC-D733-S2 is a high-end walk-through metal detector with 33 detection zones, built for demanding security checkpoints. It is well suited to airports, government buildings, prisons, stadiums, and large public venues where precise, fast, and dependable screening is essential.
Detection accuracy is the standout feature. The Dahua ISC-D733-S2 offers ultra-high sensitivity, capable of finding a small coin-sized metal target, and its 33 zones with matching indicators pinpoint the exact location of metal on a person. A human shape display on the screen also shows the alarm position clearly.
The gate detects ferromagnetic and non-ferromagnetic metals independently, which gives security staff more detail about what has been detected. Innocuous metal object filtering helps reduce nuisance alarms from harmless items, keeping queues moving and operators focused on real threats.
Operation is handled through a 7-inch full color touch screen LCD. The Dahua ISC-D733-S2 displays real-time environmental interference strength and can automatically search for the best operating frequency from 100 available levels. With 90 selectable applications, it adapts easily to different sites and screening requirements.
Built-in traffic lights guide people through the gate, while statistics track passing numbers, pass and return counts, and alarm totals. Records can be searched by hour or day, giving administrators useful data for managing checkpoint traffic and reviewing security activity.
Management features are designed for professional use. Two-level user management separates operators from administrators, and the interface supports real-time language switching. The Dahua ISC-D733-S2 can be monitored and configured through the network and managed by a platform, and it includes a random alarm function plus two alarm output channels.
Flexible deployment adds to its value. The modular design makes installation and transport easy, an infrared remote controller allows convenient configuration, and SLA backup battery support keeps the gate running during power interruptions. The Dahua ISC-D733-S2 is suitable for both indoor and outdoor use, making it a strong choice for high-security screening.
ISC-D733-S2 – Technical & Detection Specifications
| Parameter | Detail / Value |
| Detection Sensitivity | NILECJ-STD-0601.00 Levels L1–L5 |
| Precise Positioning | 33 overlapping detection zones, bilateral signal transmission/receipt; 2-panel indicator lights |
| Zone Indication | 33 independent selectable zones; simultaneously locates multiple metal items |
| Adjustable Sensitivity & Security | 255 sensitivity levels per zone; 1–100 selectable security levels |
| Operating Frequency | 1–100 selectable operating frequency ranges with automatic frequency search |
| IR Sensor & Counter | 2 pairs of IR sensors with selectable start-stop modes; reduces false alarms; auto pass/alarm statistics |
| Alarm Volume & Tones | 0–10 adjustable volume (supports mute); 9 selectable alarm tones + dedicated tone for temperature alerts |
| Self-Test & Interference | Power On Self Test (POST); real-time monitoring and display of environmental noise levels |
| Remote Control | Infrared remote controller included (Max range: 2 m / 6.56 ft) |
| Leakage Current | < 0.5 mA (complies with electronic safety standards) |
ISC-D733-S2 – Ports & Interface Specifications
| Parameter | Detail / Value |
| Underside Network Ports | Waterproof RJ-45 ports (1 on each side) |
| Underside Power Ports | Aviation power ports (1 on each side) |
| Serial Port | 1 × RS-485 port |
| Alarm Inputs / Outputs | 2-channel input, 2-channel output |
| Power Output | 12 V DC |
ISC-D733-S2 – General & Physical Specifications
| Parameter | Detail / Value |
| Operating Voltage | 12 V DC (Power adapter included: 100–240 V AC, 50/60 Hz) |
| Power Consumption | Standby: 9 W / Maximum: 13 W |
| Power Switches & Indicators | Power switch on both door panels, metal detection power switch on front panel; 1 green indicator light |
| Ingress Protection | IP43 rating (excluding external power supply) |
| Tunnel Dimensions (H × W × D) | 2060 mm × 760 mm × 500 mm |
| Product Dimensions (H × W × D) | 2221 mm × 916 mm × 537 mm |
| Packaging Dimensions (H × W × D) | 2275 mm × 775 mm × 235 mm |
| Weight | Net Weight: 40 kg (88.19 lb) / Gross Weight: 50 kg (110.23 lb) |
| Installation Method | Floor mounted |
| Operating Temperature | –20 °C to +60 °C (–4 °F to +140 °F) |
| Operating & Storage Humidity | 0%–95% RH (non-condensing) |
| EMC & Safety Certifications | GB 15210-2018, IEC 60068-2-1, IEC 60068-2-2, CE-LVD (2014/35/EU), CE-EMC (2014/30/EU), CE-RED (2014/53/EU), FCC (Part 18 Subpart B) |
| Radiation & Health Compliance | ICNIRP 2010/1998 Guidelines, EC Directive 2013/35/EU, EC Recommendation 1999/519/EC, IEEE C95.1:2005 |
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