2.8英寸CCTV安全测试仪890，带有电缆测试和PTZ地址扫描和PTZ控制器
描述：
STest-890专为视频监控系统的安装和维护而开发。它可用于显示视频，控制云台，音频输入测试，生成图像，捕获RS485数据和测试LAN电缆等。其功能，操作方便，便于携带，使承包商能够简单地安装和维护摄像机提高工作效率，降低项目开支。
应用：
1.闭路电视系统的安装和维护
2.圆顶相机和所有在一个相机测试
3.中央电视台发射频道测试
PTZ控制器
特征：
1. 2.8'TFT-LCD，960（H）×240（V）分辨率.V）分辨率。lution.
云台控制平移/倾斜P / T单元，放大/缩小镜头，调整对焦，光圈并设置并调用预设位置
PTZ持续旋转测试
视频显示。自动适应和显示NTSC / PAL的视频格式.LCD亮度/对比度/色彩饱和度可调。
视频电平测试，以IRE或mV测量的视频信号。
6.视频生成，PAL​​ / NTSC多系统彩条视频发生器（七系统可切换，发送/接收七系统彩色图像）
数据分析师捕获和分析RS485控制数据，以帮助技术人员了解问题。
8.电缆测试。测试LAN电缆功能强大，测量连接状态，显示连接顺序和NO。的LAN电缆。
多接口和多波特率。支持RS232，RS485和RS422接口;波特率范围从150,600到19200bps。
多协议支持二十多个PTZ协议。例如，PELCO-P，PELCO-D，SAMSUNG等
11.锂离子聚合物电池（3.7V DC2000mAh）。该器件采用先进的电源控制和保护电路。该设备功率高，节能环保。充电4小时后可以持续11小时正常使用。
2.8英寸CCTV摄像机测试仪PTZ地址扫描1通道BNC电缆
规范：

2.8 Inch CCTV Security Tester 890 with Cable Test and PTZ Address Scan and PTZ Controller
Description:
The STest-890 is developed for the installation and maintenance of video monitoring system. It can be used for displaying video, controlling PTZ, Audio input test, generating images, capturing data of RS485 and testing LAN cable etc. Its functions, easy operation, and convenient portability enable it simple for the contractor to install and maintain the video camera, promote working efficiency and cost-down the expenditure of the project.
Application:
1. CCTV system installation and maintenance
2. Dome camera and All in one camera testing
3. The CCTV transmitting channel testing
4. PTZ controller
Features:
1. 2.8'TFT-LCD , 960(H)×240(V)resolution.V)resolution.lution.
2. PTZ control. Pan/tilts the P/T unit, zooms in/out the lens, adjusts the focus, aperture and sets and calls the preset position
3. PTZ continuing rotate test
4. Video displaying. Automatically adapts and displays the video format of NTSC/PAL.LCD Brightness/Contrast/Color Saturation are adjustable.
5. Video Level testing, video signals measured in IRE or mV.
6. Video Generating, The PAL/NTSC multi-system colorbar video generator (seven-system switchable, transmit/receive seven-system colorful imagines)
7. Data analyst. Captures and analyzes RS485 controlling data to help the technician to find out the problem.
8. Cable testing. It is powerful in testing LAN cable, measuring the connecting status ,displaying the sequence of connection and the NO. of the LAN cable.
9. Multi-interface and Multi-baudrate. Support RS232 ,RS485 and RS422 interface; baud rate ranging from 150, 600 to 19200bps.
10. Multi-protocol. Supports more than twenty PTZ protocols. For example, PELCO-P, PELCO-D, SAMSUNG etc.
11. Lithium Ion Polymer Battery (3.7V DC2000mAh). The device employs advanced power control and protection circuit. The device is high power-efficient, energy saving and environmental protection. It can last 11 hours for normal use after charging for 4 hours.
2.8 Inch CCTV Camera Tester PTZ Address Scan 1 Channel BNC with Cable
Specification: