产品介绍：
带 LCM 显示的 G-4500P-SIM340
Embedded MiniOS7, anti-virus
Supports a variety of TCP/IP features, including TCP, UDP, IP, ICMP, ARP
10/100Base-TX Ethernet Controller
COM port: COM1 (5-wire RS-232), COM2 (RS-485), COM3 (3-wire RS-232)
Built-in self-tuner ASIC controller on RS-485 port
I/O: 3 channel DI, 3 channel DO, 8 channel AI
Support SD storage card (More detail)
GPRS/GSM: Quad-band 850/900/1800/1900 MHz(option)
Support TCP server, TCP client, UDP client connection from GPRS
GPS : 32 channels with All-In-View tracking (option)
128*64 dots LCM display (only for G-4500D-2G and G-4500PD-2G)
Support Virtual COM technology
Support Modbus Protocol
High reliability in harsh environment
Free easy-to-use software development toolkits
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