HS2234 Digital Laser Tachometer 2.5-99999rpm LCD RPM Test Small Engine Motor Speed Gauge Non-contact

Features High precision digital tachometer non contact speedAfter many injections of glue the abrasive tool is wear resistant and anti dropWide measurement range daily necessities industry food electricity scientific research etc Specification Display 5 digit LCD display the maximum reading is 99999Measuring range 2 5 rpm 99999 rpmMeasurement resolution 2 5 revolutions min 999 9 revolutions min 0 1 revolutions min1000 revolutions min 99999 revolutions min 1 revolution minMeasurement accuracy ±0 05 of measured value 1digtalEffective measuring distance 50 500mmSampling rate 0 5 seconds above 120 revolutions Time base quartz crystalOperating temperature 0℃ 50℃Storage temperature 20℃ 70℃Power supply two AAA size seven batteries not included Power consumption Under low laser power about 25mAUnder high end laser power about 40mAInstrument size 108 L X60 W X32 H mmWeight 73gPackage includes 1 x Digital Laser Tachometer Battery not included Details pictures