Digital Tachometer Non-Contact Laser Photo Gun RPM Tach Tester Meter Speed Gauge
Resolution: 0.1RPM at 2.5~999.9RPM; 1RPM at 1000~99999RPM. 3x Reflective tape. Storage Temperature: -10 to 60℃(14 to 140℉). Operation Humidity: 10 to 90%RH. Operation Temperature: 0 to 50℃(32 to 122℉).