温湿度传感器

温湿度传感器外形尺寸：     

90（宽）mm X 85（高）mm X 19（厚）mm；                                                         

重    量：       

100克；                                                              

颜    色：         

淡蓝、乳白、亚光黑等多种颜色可选；                                                            

显    示：            

LCD 大屏液晶显示，字体清晰；                                                             

电    源：          

额定电压12V～18V,带背光电流≤20mA，有限流、防雷、防反接等保护，符合防爆要求；                                                                  

通讯接口：        

标准RS485接口，接口兼容EIA/TIA之RS485标准，传输速率2400～38400 BPS可选，缺省值9600；采用YDN023-1996协议与MODBUS协议；                                                                       

传输距离：           

最远 1200米；                                                                    

节点容量：             

最多30个，若设备较多建议选用CHD485HUB/CHD422HUB集线器进行扩充；                                                      

测湿精度：             

±3.0 %RH；                                                             

测温精度：                   

±0.4 ℃；                                                              

湿度测量范围：            

5 ％～95 ％；                                                              

温度测量范围：        

-30℃ ～ 70℃                                                           

工作环境：      

工作温度 -30℃ ～ 70℃；相对湿度为5% ～ 95%；                                                        

储存环境：              

储存温度 -30℃ ～ 85℃；相对湿度为5% ～ 95%。