非接触式激光转速计 laser tachometer 转速测量仪 features: high accuracy and sensitivity wide test range: 2.5 to 99,999 rpm large lcd display for clear reading automatic test range selection memory function: max value, min value, last value specifications: display: 5 digits, 18mm lcd test range: 2.5 to 99,999 rpm (r/min) resolution:0.1 rpm (2.5 to 999.9 rpm)/1 rpm (over 1,000 rpm) accuracy: ±(0.05%+1 digit) sampling time: 0.8 sec.(over 60 rpm) test range select: automatic detecting distance: 50 to 500 mm/2 to 20inch (laser) battery: 1*9v battery (6f22) (battery not included) power consumption: approx.30ma (laser) operation temperature: 0 to 50 centigrade (32 to 122 fahrenheit) dimension: 131*70*29mm memory: max value, min value, last value sku: x1in10223 package includes: 1*meter 1*manual 1*hanging bag 1*battery 产品尺寸 : 131*70*29mm ; 产品适用范围 : 汽车维修，工业行业 ; 测量精度 : ±(0.05%+1 digit) ; 测量范围 : 2.5 to 99,999 rpm ; 类型 : 非接触式 ; 型号 : dt2234c+ ; 品牌 : 出口中性 ; 加工定制 : 是 ;