VA8030 Rotate speed meter Laser target and meausre rotate speed with no contact up to 30000 rpm

SPECIFICATIONS:Measure: rpm, rpsRange:30000 rpm,1.7500 rpsResolution: 0.1 rpm(100999.9 rpm)                      0.1 rps(1.717 rps)                     1 rpm(1000-30000 rpm)                     1 rps(1.7-500 rps) Accuracy: ±0.1reading (100-9,999rpm)                   ±0.02reading (10,00-30,000rpm)Special function: Auto power off; Data hold; MAX MIN; Back light; The number of impeller settingBattery: DC1.5V (AAA) x 3pcsComplete with pouch case and cover

VA8030 Rotate speed meter