testo 470, 转速仪,是光学式和机械式转速测量的理想组合。只需装上一测量头或表面转速盘,即从光学式测量转变成机械式测量。

·简便的单手操作
·测量转速,速度和长度
·“低电量”警报

  技术指标    
探头类型          光学式                                                                       机械式    
量程                 +1～+99999rpm                                                      +1～+19.999rpm    
精度                 ±1数位 ±0.02% of mv (+1～+99999rpm)       ±0.02% of mv (+1～+19.999rpm)    
分辨率              0.01rpm(+1～+99.9rpm)                                        /    
                         0.1rpm(+100～+999.9rpm)
                         1rpm(+1000～+99999rpm) 
操作温度          0～+50℃    
存贮温度          -20～+70℃    
电池类型         2AA 电池    
尺寸                175x60x28 mm