Hikvision 4.4mm Thermal and Optical Bi-spectrum Network Bullet Camera HM-TD2638-4/G1/T3Y

Hikvision 4.4mm Thermal and Optical Bi-spectrum Network Bullet Camera HM-TD2638-4/G1/T3Y The Hikvision HM-TD2638-4/G1/T3Y is an anti-corrosion bi-spectrum network bullet camera combining 384 × 288 thermal imaging with a high-resolution 4MP optical camera for advanced perimeter protection, temperature monitoring and fire-prevention applications. Its wide-angle 4.4mm thermal lens works alongside a 2.2mm optical lens with up to 30m infrared illumination, while Hikvision's GUANLAN Large-Scale AI Model provides enhanced human and vehicle detection with reduced false alarms. Fire and smoking detection, temperature exception monitoring and rugged NEMA 4X, IP67 and IK10 protection make it well suited to demanding outdoor and critical-infrastructure environments. Key Features Thermal and optical bi-spectrum imaging: Combines a 384 × 288 thermal detector with a 4MP optical camera for comprehensive surveillance across varying lighting and environmental conditions. 4.4mm wide-angle thermal lens: Provides an approximately 60.2° × 40.6° thermal field of view for broad-area monitoring. 4MP optical imaging: 1/2.7-inch Progressive Scan CMOS sensor captures detailed visible-light footage at up to 2688 × 1520 resolution. 2.2mm wide-angle optical lens: Provides an approximately 109.8° horizontal field of view for extensive scene coverage. GUANLAN Large-Scale AI Model: Enhances human and vehicle detection while helping minimise false alarms. Temperature monitoring: Supports temperature measurement from -20°C to +150°C with specified accuracy of ±8°C. Fire and smoking detection: Intelligent thermal algorithms provide additional early-warning capabilities for fire-prevention applications. Anti-corrosion construction: NEMA 4X protection combines with IP67 weather resistance and IK10 vandal resistance for demanding outdoor installations. 384 × 288 High-Sensitivity Thermal Imaging The thermal channel uses a vanadium oxide uncooled focal plane array with 384 × 288 resolution, 12μm pixel pitch and thermal sensitivity of ≤20mK at 25°C, F1.0. This enables the camera to detect small differences in thermal energy while providing dependable monitoring where visible-light surveillance may be affected by darkness or difficult environmental conditions. Wide-Angle 4.4mm Thermal Lens This specific HM-TD2638-4/G1/T3Y configuration features a 4.4mm thermal lens with an approximately 60.2° horizontal and 40.6° vertical field of view. The wide thermal coverage makes this variant particularly suitable for monitoring larger areas where broad scene visibility is more important than the narrower, longer-range view provided by higher focal-length versions. 4MP Optical Imaging with 30m IR The optical channel incorporates a 1/2.7-inch Progressive Scan CMOS sensor providing up to 2688 × 1520 resolution. Its 2.2mm fixed lens provides an approximately 109.8° horizontal field of view, while integrated infrared illumination supports optical monitoring at distances of up to 30 metres in darkness. GUANLAN AI Perimeter Protection Hikvision's GUANLAN Large-Scale AI Model enhances human and vehicle detection while helping reduce false alarms. Intelligent perimeter functions include line crossing, intrusion, region entrance and region exit detection, with VCA ranges of up to approximately 52 metres for humans and 120 metres for vehicles. Temperature, Fire and Smoking Detection The HM-TD2638-4/G1/T3Y supports temperature measurement from -20°C to +150°C with specified accuracy of ±8°C. Temperature exception alarms can provide early warning of abnormal conditions, while dedicated fire and smoking detection algorithms add additional capabilities for industrial, infrastructure and fire-prevention applications. Anti-Corrosion Outdoor Construction NEMA 4X anti-corrosion protection makes the camera suitable for demanding environments requiring enhanced resistance to corrosion. IP67 weather protection and IK10 vandal resistance further protect the unit during exposed outdoor installations. Technical Specifications Specification Details Brand Hikvision Model HM-TD2638-4/G1/T3Y Product Type Anti-Corrosion Bi-spectrum Network Bullet Camera Imaging Channels Thermal + Optical Thermal Detector Vanadium Oxide Uncooled Focal Plane Array (VOx UFPA) Thermal Resolution 384 × 288 Thermal Pixel Pitch 12μm Thermal Sensitivity (NETD) ≤20mK @ 25°C, F1.0 Thermal Focal Length 4.4mm Thermal Aperture F1.0 Thermal Field of View 60.2° × 40.6° (H × V) Thermal DORI – Human Detection: 183m; Recognition: 46m; Identification: 23m Thermal DORI – Vehicle Detection: 562m; Recognition: 141m; Identification: 70m Optical Image Sensor 1/2.7" Progressive Scan CMOS Maximum Optical Resolution 2688 × 1520 (4MP) Optical Focal Length 2.2mm Optical Field of View 109.8° × 64.5° (H × V) Optical Minimum Illumination Colour: 0.0176 lux @ F2.25, AGC On; 0 lux with IR Infrared Range Up to 30m Wide Dynamic Range 120dB WDR Noise Reduction 3D DNR AI Technology GUANLAN Large-Scale AI Model Target Classification Human and Vehicle VCA Human Range Up to 52m VCA Vehicle Range Up to 120m Perimeter Protection Line Crossing, Intrusion, Region Entrance, Region Exit Temperature Exception Alarm Supported Temperature Measurement Range -20°C to +150°C (-4°F to 302°F) Temperature Measurement Accuracy ±8°C (±14.4°F) Temperature Measurement Distance Up to 13.2m for 0.2 × 0.2m object; up to 33m for 0.5 × 0.5m object Fire Detection Supported Fire Detection Distance Up to 13.2m for 0.5 × 0.5m object Smoking Detection Supported, up to 6.6m Video Compression H.265, H.264, MJPEG Network Interface 1 × RJ45 10/100Mbps Ethernet Local Storage microSD / microSDHC / microSDXC Maximum Memory Card Capacity Up to 512GB Pre-Installed Storage 32GB microSDHC Card Audio Input / Output 1 / 1 Alarm Input / Output 2 / 2 RS-485 Supported CVBS Supported Power Options 24V AC / 12V DC / 24V DC / PoE PoE Standard IEEE 802.3af, Class 3 Weather Protection IP67 Vandal Resistance IK10 Anti-Corrosion Protection NEMA 4X Surge Protection TVS 4000V Lightning, Surge and Voltage Transient Protection Dimensions 376.1 × 119.1 × 118.1mm Weight Approx. 1.82kg Thermal Detector Guarantee 10 Years What’s in the Box: 1 × Hikvision HM-TD2638-4/G1/T3Y Anti-Corrosion Bi-spectrum Network Bullet Camera 1 × Pre-Installed 32GB microSDHC Card 1 × DS-1260ZJ Junction Box Protect broad outdoor areas and critical infrastructure with the Hikvision HM-TD2638-4/G1/T3Y, combining wide-angle 384 × 288 thermal imaging, 4MP optical surveillance, GUANLAN AI perimeter protection, temperature monitoring, fire and smoking detection and rugged NEMA 4X, IP67 and IK10 protection.