Description
1. Product Overview
The A82 is a versatile, compact, and rugged tester specially designed for CCTV professionals. It simplifies the complete process of testing, commissioning, fault diagnosis, and maintenance of surveillance equipment.
This device integrates multiple functions, including network testing, cable-break detection using TDR technology, Wi-Fi analysis, and RF spectrum analysis. Its powerful data-analysis capabilities allow it to record data over a specified period and capture screenshots of event waveforms. These functions help technicians quickly identify equipment and line faults, including intermittent issues that are difficult to detect, significantly improving on-site troubleshooting efficiency.
Powered by an embedded Linux system, the A82 delivers smooth display performance and responsive operation for intensive daily use on job sites.
2. Product Images and Videos
Video: Connecting the Device to an HD-CVI Camera
Video: Connecting the Device to Dahua IP Cameras
- 7-inch high-strength tempered-glass touchscreen with 1920 × 1200 resolution and a fully laminated, dust-resistant structure
- Compatible with standard analog, HD analog, and HD network surveillance systems
- High compatibility with the ONVIF protocol, with support for H.264, H.265, and 4K resolution
- Step-by-step testing for fast fault location across cables and equipment
- Supports 8MP HD-CVI, 8MP TVI, and 5MP AHD cameras, including coaxial control and OSD menu access
- Supports photo capture, video recording, zoom, and playback for project inspection and acceptance
- Network-cable TDR testing for cable length, wire-pair status, and attenuation measurement
- 2.4 GHz and 5 GHz Wi-Fi and spectrum analysis, including signal-strength measurement and interference detection
- Wi-Fi hotspot creation, wireless IP-camera testing, and bridging between Wi-Fi and the LAN port
- Comprehensive network tools, including PING, IP scanning, packet-loss testing, and data-throughput testing
- PoE power input/output and 12V/2A power output
- Dual 1000M Gigabit Ethernet interfaces for precise network analysis
- Dual foldable, dual-band omnidirectional antennas for improved wireless reception
- One-click activation for Hikvision and Dahua cameras
- Embedded Linux system for smooth performance and responsive operation
4. Detailed Technical Specifications
| IP Camera Testing | |
|---|---|
| IPC Protocols | ONVIF, RTSP, RTP |
| Ethernet Test | 10M/100M/1G Ethernet link detection, Ethernet loop detection, DHCP client and server, Ethernet traffic detection, and data-link quality detection |
| IPC Test | Device discovery, real-time video, camera configuration, PTZ testing, and ONVIF device discovery across different network segments |
| IPC Image Test | H.265/H.264 decoding, support for 4K at 30 fps, and 8-level local zoom preview |
| Network Interface | Dual RJ45 Gigabit Ethernet ports supporting pass-through connection |
| Wi-Fi and Spectrum Testing | |
| Wi-Fi Test | Supports 2.4 GHz and 5 GHz frequency bands, Wi-Fi connection, Wi-Fi list viewing, Wi-Fi information detection, latency testing, and packet-loss testing |
| Spectrum Test | Supports 2.4 GHz and 5 GHz band scanning, signal detection, and spatial noise or interference detection |
| Signal Monitoring | Rapid monitoring of 2.4 GHz and 5 GHz signal changes with a refresh rate of 1–10 Hz |
| Antenna Type | Dual external foldable, dual-band omnidirectional dipole antennas |
| PoE Testing | |
| PD Test | The tester receives power; supports IEEE 802.3at and power-supply voltage detection |
| PSE Test | The tester supplies power; supports IEEE 802.3at, up to 25.5W, with actual PD power detection |
| Analog and HD Coaxial Video Testing | |
| Video Formats | NTSC, PAL, HD-CVI 3.0, AHD 3.0, and HD-TVI 3.0 |
| Video Signal | 1 Vp-p |
| Video Input / Output | Video IN BNC input and Video OUT BNC output |
| Digital Zoom | 8-level zoom |
| Video Signal Generator | Outputs PAL/NTSC test signals and CVI, AHD, and TVI test signals at 720P/1080P |
| HDMI Signal Testing | |
| HDMI Input | Receives 720P signals at 25/30/50/60 fps and 1080P signals at 25/30/50/60 fps for display |
| HDMI Output | Outputs test patterns in 720P at 50/60 fps and 1080P at 25/30/50/60 fps |
| Power and Audio | |
| 12V Power Output | 12V/2A output; round connector, 4 mm outer diameter and 1.6 mm center pin |
| Audio Test | 1 × audio-signal input |
| Coaxial PTZ Control | |
| Communication Interface | Video IN BNC interface |
| Communication Protocols | CVI protocol (Dahua coaxial), AHD protocol (Pelco-C), and TVI protocol (Hikvision) |
| RS485 PTZ Control | |
| Communication Interface | RS485 |
| Communication Protocols | More than 30 protocols, including Pelco-D/P, Samsung, Panasonic, Lilin, and Yaan |
| Baud Rates | 150, 300, 600, 1,200, 2,400, 4,800, 9,600, and 19,200 bps |
| LED Lighting | |
| Front LEDs | 2 × 35 lm wide-angle LEDs |
| TDR Cable Testing | |
| Cable Test | Tests the length and status of all four network-cable pairs. Resolution: 0.1 m. Accuracy: 1 m. Maximum measurable length: approximately 130–200 m, depending on cable type |
| Power Supply and Battery | |
| Charger | 12V/1.5A power adapter with 5.5 mm round plug |
| Battery | Two battery compartments. Each compartment accepts one dedicated 18.5 Wh lithium battery pack. Combined operating time is approximately 10 hours, and the tester can also operate with a single battery |
| Charging | 12V/1.5A charging, up to 18W. Charging time: approximately 3–4 hours |
| Power Saving | Configurable automatic standby and real-time battery-level display |
| System Parameters | |
| Display | 7.0-inch TFT display, 1920 × RGB × 1200 resolution, 16.7 million colors, adjustable backlight brightness |
| Operating Method | Power button, 13-key main-control keypad, and fully laminated capacitive multi-touchscreen |
| Language | Chinese/English interface, user selectable |
| Automatic Standby | Disabled or configurable from 5 to 60 minutes |
| Keypad Tone | Enabled or disabled |
| Working Environment and Dimensions | |
| Operating Temperature | -10°C to +55°C |
| Operating Humidity | 30%–90% |
| Dimensions | 236.5 × 133.4 × 45.4 mm |
5. After-Sales Service and Warranty
- Product Warranty: A 1-year manufacturer’s warranty is provided for the main unit of the DT-A82 tester.
- Technical Support: Available Monday to Friday, from 9:00 AM to 6:00 PM. Professional support is available by email and WhatsApp. A complete English user manual and installation and operation video tutorials are also provided.
- Software Updates: Free online system and software updates are available to improve functionality and maintain compatibility with new surveillance equipment.