特点
◆压簧式感温元件，抗震性能好
◆无须补偿导线，节省费用
◆测量精度高
◆机械强度高，耐压性能好，进口薄膜电阻元件，性能可靠稳定
工作原理
◆pt100铂热电阻是利用物质在温度变化时，其电阻也随着发生的特征来测量温度的，当阻值变化时，工作仪表便显示出阻值所对应的温度值。
主要技术参数
◆产品执行标准
             IEC584     IEC1515     GB/T6839-1997      JB/T5582-91
◆常温绝缘电阻
pt100铂热电阻在环境温度为15－35℃，相对湿度不大于80％，试验电压为10~100V（直流）电极与外套管之间的绝缘电阻≥100MΩ。
测量范围及允差
型号 分度号 测温范围 精度等级 允许偏差
WZP Pt100 -200~+500 A级 ±（0.15+0.002）t
     B级 ±（0.30+0.002）t
WZC Cu50,Cu100 -50~+100   ±（0.30+0.002）t

产品选型
W温度仪表             
          Z热电阻           
                  感温元件材料         
                  P－铂          
                  C铜         
                               偶丝对数       
                               无—单支        
                               2－双支㎜    

                                         安装固定形式     
                                         1无装置固定     
                                         2固定螺纹     
                                         3活动法兰      
                                         4固定法兰     
                                         5活络管接头     
                                         6固定螺纹锥形式     
                                         7直形螺纹管接头     
                                         8固定螺纹管接头     
                                         9活动螺纹管接头     
                                                             接线盒形式   
                                                             2－防喷式    
                                                             3－防水式   
                                                                       保护管直径 
                                                                        0－φ16 
                                                                        1－φ12 
                                                                                   工作端形式
                                                                                   G变截面
示例：W Z      P             2－           2                 2           0           G
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