PET-2100DXR转速表日本OPPAMAPET-2100DXR***车载转速仪特点：计测方式:脉冲计数显示间隔:0.5秒测试精度:+-10RPM外型尺寸:44X61X12(LXWXH)本体重量:30克附件:天线胶带电池寿命:约20000小时PET-2100DXR日本OPPAMA***发动机转速表的详细资料：POSITION可测试的发动机计测可能范围RPM冲程汽缸P:4141100-30000P21:4221100-3000042P:4343100-20000P22:4422100-1500044P:4545100-12000P23:4623100-1000046P24:4824100-7500POSITION可测试的发动机计测可能范围RPM冲程汽缸P:4141100-30000P21:4221100-3000042P:4343100-20000P22:4422100-1500044P:4545100-12000P23:4623100-1000046P24:4824100-7500)