Hikvision DS‑2TD4228T‑7/S2 – Thermal Bi‑Spectrum Speed Dome
Hikvision DS‑2TD4228T‑7/S2 ThermalPTZ Camerais a robust smart surveillance camera with thermal and optical dual spectrum detection. Perfect for 24/7 perimeter and industrial surveillance, even in complete darkness, smoke or fog.
Main features:
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Thermal resolution: 256×192 (output up to 1280×720), NETD ≤35mK
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Temperature range: from –20°C to 550°C, with alarm ( /–2°C or 2%)
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Optical lens (32× zoom): 4MP (2688×1520), 4.8‑153mm, WDR 120dB, low‑light up to 0.01Lux
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Smart analytics (VCA): detection of line crossing, intrusion, regional entry/exit, smoke and fire detection
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PTZ functions: 360° pan continuous, 90° tilt, speeds up to 240°/s, 300 presets and pattern scans
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Sustainability: IP66 rating, rugged housing and thermal detector with 10-year warranty
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Perimeter surveillance of large industrial sites
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Fire prevention and temperature management in industrial environments
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Continuous video surveillance in conditions where conventional cameras fail
Technical advantages:
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Picture-in-Picture mode: thermal window in optical image
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Flexible storage: microSD (up to 256GB), NAS/NVR support, ANR backup
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Advanced communications options: audio I/O, relay outputs, Ethernet

