AXIS Q1931-E Thermal Network Camera Superior detection and wide range coverage
Update: 2017/9/28 View:
- Brand: AXIS
- Type: AXIS Q1931-E
Introduction
AXIS Q1931-E Thermal Network Camera
Superior detection and wide range coverage
Discontinued product. Supported until 2021-04-30.
After this date, please see the support documentation.As long as the product is within the warranty period you will be supported.
Replacement: AXIS Q1941-E
- Thermal imaging for IP-Surveillance
- Bullet-style design
- Multiple lens options
- Intelligent video applications included
- Power over Ethernet
- Full duplex audio
- Shock detection
High-quality detection
AXIS Q1931-E Thermal Network Camera is a perfect complement to any network video system that needs to secure an area 24 hours a day, seven days a week. The camera uses thermal imaging, which allows users to detect people, objects and incidents in complete darkness and difficult conditions such as smoke, haze, dust and light fog. Thanks to a new noise filter that improves thermal imaging contrast, blur and ghost effects are removed and images are kept sharp in all conditions. Even as noise levels are kept low, no temperature information or details are lost. It makes a scene and the objects and events in it easier to recognize.
With noise filter
Without noise filter
For demanding outdoor video surveillance
AXIS Q1931–E is a bullet-style outdoor-ready model that is designed to withstand harsh weather conditions. It comes with a built-in heater for the window. It's ideal for cost efficient 24/7 area or perimeter surveillance of all security applications such as roads, tunnels and airports. The camera is further protected with shock detection, a capability that sends an alarm to personnel during attempted vandalism.
Key IP-Surveillance features
AXIS Q1931-E Thermal Network Camera supports H.264 video compression, which reduces bandwidth usage and storage needs by up to 80% compared to Motion JPEG. The camera provides multiple, individually configurable video streams in H.264 and Motion JPEG. AXIS Q1931-E has two-way audio support, which allows the user to communicate with visitors and intruders.
Wide detection range and intelligent video applications
With a resolution of 384x288 pixels and four lens alternatives, AXIS Q1931-E can optimize detection performance to meet most application requirements. Since thermal cameras are less sensitive to problems with light conditions and shadows, they can achieve higher accuracy and less false alarms than conventional cameras in most applications. Intelligent video applications such as cross-line detection and video motion detection are included.
Installation video
Introducing AXIS Q1931-E
Thermal network cameras
Detection ranges
| Focal length | Viewing angle | Detection | ||||
| mm | Horizontal |
Human: 1.8 x 0.5 m Critical dimension: 0.75 m |
Vehicle: 1.4 x 4.0 m Critical dimension: 2.3 m |
|||
| m | yards | m | yards | |||
|
Detection (1.5 pixels on target) |
7 | 55° | 210 | 230 | 630 | 689 |
| 13 | 28° | 380 | 415 | 1160 | 1268 | |
| 35 | 10.7° | 1030 | 1126 | 3100 | 3390 | |
| 60 | 6.2° | 1800 | 1968 | 5400 | 5905 | |
|
Recognition (6 pixels on target) |
7 | 55° | 50 | 55 | 160 | 175 |
| 13 | 28° | 90 | 98 | 300 | 328 | |
| 35 | 10.7° | 260 | 284 | 800 | 875 | |
| 60 | 6.2° | 440 | 480 | 1350 | 1476 | |
|
Identification (12 pixels on target) |
7 | 55° | 25 | 27 | 80 | 87 |
| 13 | 28° | 50 | 54 | 150 | 165 | |
| 35 | 10.7° | 130 | 142 | 400 | 437 | |
| 60 | 6.2° | 220 | 240 | 680 | 744 | |
The detection ranges are calculated with Johnson’s criteria and vary in different weather conditions.
Find nomographs for AXIS Q19 Thermal Network Camera Series (meters) (pdf) or nomographs for AXIS Q19 Thermal Network Camera Series (yards) (pdf) to determine the relation between the focal length of the lens, the number of pixels across the object, and the range.
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