Dt-2234c+ Tachometer, Hour Meter Tachometer

Features: Wide measuring range & high resolutionLarge LCD displayingThe last value/max, value/min, value will be automatically storedLow battery indicationSpecifications: Display: 5 digits, 16mm LCD displaying Test range: 2.5 to 99999 RPM(r/min)Resolution: 0.1RPM(2.5 to 99999 RPM)1RPM(over 1000 RPM)Accuracy: +/-(0.05%+1 digit)Sampling time: 1.0sec. (over 60RPM/min)Test range select: AutomaticMemory: Last value, max. Value, min. ValueDetecting distance: 50 to 500 mmTime base: 6MHz crystal oscillator Battery: 3X1.5V AA(UM 3)batteryPower consumption: Approx. 40mA(operation)Operation temp: 0 to 50 C(32 to 122 F)