Hikvision DS-2TD4166-25 Thermal + Optical Bi-spectrum Network Speed Dome
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Hikvision DS-2TD4166-25 Thermal + Optical Bi-spectrum Network Speed Dome

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The DS-2TD4166-25 from Hikvision Thermal + Optical Bi-spectrum Network Speed Dome


  • Smart Function (Thermal Imaging)
    • Leading image processing technology: Adaptive AGC, DDE, 3D DNR, NETD < 40mk (@25°C, F#=1.0)
    • Smart tracking: Panorama tracking, Event tracking and Multi-scene patrol tracking
    • Smart tracking linkage: thermal view and optical view
    • Powerful behavior analysis algorithm: Line crossing, Intrusion, Region Entrance & Exit
    • Reliable temperature exception alarm function
    • Advanced fire detection algorithm
  • Thermal Imaging Module Function
    • 640*512 resolution, high sensitivity sensor, support contrast adjustment
    • Support shutter adjustment in various modes
    • 3D DNR, 15 palettes of color adjustable, image detail enhancement


Thermal module
Image sensor Vanadium Oxide Uncooled Focal Plane Arrays
Max. Resolution 640 × 512
Detector Pitch 17μm
Response waveband 8μm to 14μm
NETD < 40mk (@25°C,F#=1.0)
Lens (focal length) 25mm
MRAD 0.68
Field of View 24.55° × 19.75°
Min. Focusing Distance 2 m
F number 1.0
Optical camera
Image Sensor 1/1.9’’ Progressive Scan CMOS
Min. Illumination Color: 0.002 lux @ (F1.5 , AGC On ) B/W : 0.0002 lux @ (F1.5 , AGC On )
Focal Length 5.7-205.2mm, 36x
Digital Zoom 16 X
Field of View 58.7° - 2.0° (Wide-Tele)
Min. Working Distance 10-1500mm (Wide-Tele)
Aperture Range F1.5-F4.5
Focus Mode Auto / Semiautomatic / Manual
WDR 120dB
Shutter Time PAL: 1-1/30,000s / NTSC: 1-1/30,000s
White Balance Auto/Manual /ATW/Indoor/Outdoor/Daylight lamp/Sodium lamp
Day & Night IR Cut Filter
Privacy Mask 24 privacy masks programmable; optional multiple colors and mosaics
Optical Defog Yes
Enhancement 3D DNR
Smart function
VCA Support 4 VCA rule types (Line Crossing, Intrusion, Region Entrance, and Region Exiting), 10 scenes and 8 VCA rules for each scene.
Temperature Measurement Support 3 temperature measurement rule types, over 256 presets as scene, 21 rules of each scene (10 points, 10 regions, and 1 line)
Temperature range -20 °C to 150 °C (-4 °C to 302 °F)
Temperature accuracy ±8 °C (14.4°F)
Fire detection Support 10 fire points
Movement Range Pan: 360° Continuous Rotate; Tilt: From -15° to + 90° (auto flip)
Pan Speed Configurable, From 0.1°/s to 160°/s, Preset Speed: 240°/s
Tilt Speed Configurable, From 0.1°/s to 120°/s, Preset Speed: 200°/s
Proportional Zoom Yes
Presets 300
Patrol Scan 8; Up to 32 Presets Per Patrol
Pattern Scan 4; More Than 10 Minutes Per Pattern
Power Off Memory Yes
Park Preset/Pattern Scan/Patrol Scan/Auto Scan/Tilt Scan/Random Scan/Frame Scan/Panorama Scan
PT Status Turn On/Turn Off
Scheduled Task Preset/Pattern   Scan/Patrol   Scan/Auto   Scan/Tilt   Scan/Random   Scan/Frame   Scan/Panorama Scan/Doom Reboot/Doom Adjust/Aux Output
IR Distance Up to 200m
IR Intensity and Angle Auto Adjust
Main Stream Optical: 50Hz:25fps(1920×1080), 25fps(1280×960), 25fps(1280×720) Optical: 60Hz:30fps(1920×1080), 30fps(1280×960), 30fps(1280×720)
Thermal: 50fps(640 × 512)
Sub stream 50Hz:25fps (704 × 576), 25fps (352 × 288), 25fps (176 × 144)
60Hz:30fps (704 × 480), 30fps (352 × 240), 30fps (176 × 120)
Thermal: 50fps (640 × 512)
Video compression H.264 (Baseline/Main/High Profile) /MJPEG/MPEG4
Audio compression G .711u/G.711a/G.722.1/MP2L2/G.726/PCM
Simultaneous live view Up to 20-ch
User/Host level Up to 32 users, 3 levels: Administrator, Operator, User
Security measures User authentication (ID and PW), MAC address binding, HTTPS encryption, IEEE 802.1x access control, IP address filtering
Alarm Input Up to 7-ch Input (0-5V DC)
Alarm Output Up to 2-ch relay output; Support Alarm Linkage
Alarm Action Preset/Patrol  Scan/Pattern  Scan/SD  Card  Record/Relay  Output/Smart  capture/FTP  upload/Email linkage
Audio Input LINE_IN Input/MIC Input; Peak: From 2 to 2.4V[p-p]; Output Impedance: 1KΩ±10%
Audio Output Linear Level; Impedance: 600Ω
Communication Interface Built-in RJ45; 10M/100M Ethernet Interface
Onboard Storage Built-in Micro SD/SDHC/SDXC Card Slot, Up to 64GB; Support Manual/Alarm Recording
Analog Video Output 1.0V [p-p]/75Ω, PAL/NTSC/BNC
RS485 Half-Duplex; HIKVISION, PELCO-P and PELCO-D Self-adaptive
API Open-ended API, support ISAPI; Support HIKVISION SDK and Third-party Management Platform
Client iVMS-4200
Web Browser IE 7+, Chrome 18+, Firefox 5.0+, Safari 5.02+; Multiple Languages
Menu English
Wiper Yes
Power 24V AC, 60W
Work Temperature/Humidity From -40°C to 60°C (-40°F to 140°F); Humidity: 90% or Less
Protection Level IP66 Standard; TVS 6000V Lightning Protection, Surge Protection and Voltage Transient Protection
Weight Approx. 8kg (17.64 lb)

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