美国EXTECH品牌461891型机械接触式转速测量仪

更多名称：机械式转速仪，机械式转速表，机械式转速测量仪，接触式转速表，接触式转速仪，接触式转速测量仪，Contact Tachometer，Tachometer 

• Large 5 digit LCD display is easy to read
• Built-in memory recalls last MAX/MIN value stored
• Autoranging with 0.05% uracy
• Contact measurements from 0.5 to 19,999rpm plus linear surface speed measures in ft/min or m/min
• Simply contact rotating object with sensor tip and read
• essory wheels enable tachometer to measure linear surface speeds
• Complete with cone tip, flat tip and spare wheel for surface speed measurements, four 1.5V AA batteries and case

测量范围Range： 0.5 to 19,999rpm
              0.2 to 6560ft/min
              0.05 to 1999.9m/min
测试精度uracy： ±(0.05%rdg +1d)
取样时间Sampling Time： 1sec>6rpm
分辨率Resolution： 0.1rpm (0.5 to 999.9rpm);1rpm >1000rpm
尺寸大小Dimensions： 6.7 x 2.8 x 1.5" (170 x 27 x 37mm) 
重量Weight： 9.2oz (260g)

For Contact rpm measurements
Plus Linear surface speed measurements in ft/min or m/min