产品介绍：
Support voice streaming on network
Provide pair connection (RS-232, RS-485) on network
Support server and client function
Server mode can manage max 64 clients (Clients can be M-4132, M2M-720-A, M2M-710D …)
Support voice broadcast function in server mode
Support Virtual COM technology
Web-based administration
Linux 2.6 platform
Provide Static IP/DHCP/PPPoE
Provide dynamic DNS function to resolve the problem without the fixed real IP
Provide event record and e-mail function
Built-in web server, FTP server
Built-in RTC
Built-in self-tuner ASIC chip for RS-485 port
Provide LED indicators
Robust, fan less design
CE/FCC, EMI, RoHS compliance
Model 264 传感器在全球的安装数量已高达上百万只，是HVAC 楼宇自动化、高精度医药和卫生保健设施中低压差测量应用的“标准”产品。Model 264 型超低差压传感器使用闭端不锈钢焊接电容感应元件，仅要求极小的放大倍率，可为各类关键安装应用提供出色的精度和长期可靠性。Model 264 采用稳固设计，使用黄铜倒钩接头、卡轨安装架、以及可选的导管盖，可实现简单、稳定的安装。特性·**支持10 PSI 超压·安装方便·0~5VDC 或4~20mA 模拟输出·误接线全保护·使用非调整直流电源供电·满足CE 标准应用·暖通空调（HVAC）·能源管理系统·VAV 及风扇控制·洁净工程·OEM·实验室及通风橱控制·烘箱增压及炉通风控制·医疗仪器及设备