温湿度气压计（温湿度气压变送器）                                                                                                                                      测量温湿度和大气压力的一体化变送器                                                                                                                量程:温度：（－20℃～＋80）℃（一体化温湿度传感器    湿度： （0%～100）% RH       大气压力：300~1100.hPa（可以设置量程，如800.0-1100.0hpa）显示：数码管显示供电电压:12~32VDC(通常24VDC)输出:4~20mADC 0~5V  0~10DCV           RS232 RS485  Modbus RTU协议环境温度:-10~+60℃   监测精度：温度±0.5℃，湿度±3% RH。气压±0.2 F.S