Dahua’s IPC-HFW 1431S1-A-S4 (Audio) Camera

Description

Camera Specifications

Image Sensor

• Type: 1/3” 4 Megapixel Progressive CMOS
• Max. Resolution: 2688 × 1520

Memory

• ROM: 128 MB
• RAM: 128 MB

Scanning System

• Type: Progressive

Electronic Shutter Speed

• Range: Auto/Manual (1/3 s to 1/100,000 s)

Illumination

• Min. Illumination: 0.03 Lux @ F2.0
• Illumination Distance: Up to 30 meters (98.4 feet)
• Illuminator:
  • On/Off Control: Auto/Manual
  • Number: 1 IR LED

Pan/Tilt/Rotation Range

• Pan: 0°–360°
• Tilt: 0°–90°
• Rotation: 0°–360°

Lens

• Type: Fixed-focal
• Mount Type: M12
• Focal Length:
  • 2.8 mm
  • 3.6 mm
• Max. Aperture: F2.0
• Field of View:
  • 2.8 mm Lens:
    • Horizontal: 93°
    • Vertical: 53°
    • Diagonal: 111°
  • 3.6 mm Lens:
    • Horizontal: 81°
    • Vertical: 44°
    • Diagonal: 95°
• Iris Type: Fixed
• Close Focus Distance:
  • 2.8 mm Lens: 0.8 meters (2.6 feet)
  • 3.6 mm Lens: 1.4 meters (4.6 feet)

DORI Distances

• 2.8 mm Lens:
  • Detect: 50.0 meters (183.7 feet)
  • Observe: 22.4 meters (73.5 feet)
  • Recognize: 11.2 meters (36.7 feet)
  • Identify: 15.1 meters (49.5 feet)
• 3.6 mm Lens:
  • Detect: 80.0 meters (262.5 feet)
  • Observe: 32.0 meters (105.0 feet)
  • Recognize: 16.0 meters (52.5 feet)
  • Identify: 8.0 meters (26.2 feet)

Video

• Compression:
  • Formats: H.265, H.264, H.264B, MJPEG (only supported by sub stream)
  • Smart Codec: Smart H.265+ / Smart H.264+
• Frame Rate:
  • Main Stream:
    • 2688 × 1520 @ (1 fps–20 fps)
    • 2560 × 1440 @ (1 fps–25/30 fps)
  • Sub Stream:
    • 704 × 576 @ (1 fps–20/25 fps)
    • 704 × 480 @ (1 fps–20/30 fps)
• Stream Capability: 2 streams
• Resolution Options:
  • 2688 × 1520
  • 2560 × 1440
  • 2304 × 1296
  • 1080p (1920 × 1080)
  • 1.3M (1280 × 960)
  • 720p (1280 × 720)
  • D1 (704 × 576/704 × 480)
  • VGA (640 × 480)
  • CIF (352 × 288/352 × 240)