规格量程范围精确度±(%读数+字)DWELL ANGLE(点火闭合角)(4CYL/5CYL/6CYL/8CYL)0-90/72/60/45(degrees)1.5%读数+0.2(deg)TACHO(转速)(4CYL/5CYL/6CYL/8CYL)0-10,000rpm(rdg x 10)1.5%读数+50rpm直流电压2V/20V/200V0.7%读数+1字电阻测量(Ω)200Ω1.0%读数+4字2K/20K/2MΩ1.0%读数+1字蜂鸣器小于 30 (Ω)时起鸣,测试开路电压<3.2V二极管测量最大测试电流1.5 mA外形尺寸120mm(L) x 70mm(W) x 22mm(H)重量(g)117g