Daheng Imaging MARS-U3 Series USB3.0 Digital Camera Application Manual

The application manual provides overview, installation, configuration, performance specs, and troubleshooting for Daheng Imaging MARS-U3 USB3.0 digital cameras.


Daheng Imaging MARS-U3 Series USB3.0 Digital Camera Application Manual - cover page
Brand
Daheng Imaging
Category
Other device
Document type
User Manual
Language
Chinese
Pages
95
File format
PDF
File size
3.8 MB
Published
06 October, 2026
Updated
06 October, 2026
MD5 checksum
7F6C77BF958CF447CB0A3FA10A08DA4B

About this manual

This manual introduces the MARS-U3 series USB3.0 industrial digital cameras developed by Daheng Imaging. It describes the camera’s high‑resolution sensor, USB3.0 interface, and typical applications such as industrial inspection, medical imaging, research, education, and security.

The document covers series overview, safety and certification notes, step‑by‑step installation, detailed performance parameters, mechanical dimensions, filter and lens options, electrical interfaces, function definitions, image processing and transmission, event handling, software tools, common troubleshooting, version history, and contact information for sales and technical support. This manual is written in Chinese.

What's inside

  • Overview
  • Precautions and Certification
  • Installation Guide
  • Performance Parameters
  • Mechanical Dimensions
  • Filters and Lenses
  • Electrical Interface
  • Function Definition
  • Image Processing
  • Troubleshooting

Specifications

Resolution4096 × 3000
Sensor TypeSony IMX 304 LQR, Global shutter CMOS
Optical Size1.1 inch
Pixel Size3.45 µm × 3.45 µm
Frame Rate23.4 fps @ 4096 × 3000
ADC Precision12 bit
Pixel Depth8 bit / 12 bit
Shutter Time28 µs – 1 s
Gain Range0 dB – 24 dB
Image Data FormatBayer RG8 / Bayer RG12
Signal‑to‑Noise Ratio40.59 dB
Sync ModeExternal trigger, software trigger
Interfaces1 isolated input, 1 isolated output, 2 bidirectional GPIO
Operating Temperature0 °C – 45 °C
Storage Temperature-20 °C – 70 °C
Operating Humidity10 % – 80 %
Power Consumption< 4 W @ 5 V
Mechanical Dimensions62 mm × 62 mm × 50.4 mm
Weight281 g
Supported OSWindows XP/7/8/10 (32‑bit & 64‑bit)
Data InterfaceUSB 3.0

Frequently asked questions

What should I do if the camera starts acquisition but no image is shown?

Load the default parameter group, reopen the application, and if needed reduce the URB request count (e.g., to 10) before starting acquisition again.

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