The product adopts piezoelectric type acceleration sensor and is suitable for measurement of conventional vibration of mechanical equipment. It can measure the vibration speed, acceleration, displacement and is widely used in mechanical manufacturing, electric power, chemical engineering, space flight and aviation and other fields. Features: Wide measurement range of acceleration: 0.1~199.9m/s2 peak. Adopts piezoelectric acceleration transducer transfer the vibration signal in to electrical signal, analyze the input , and show the vibration speed, acceleration, displacement. It can measure the environment temperature with 2 temperature units (℃ and ℉). LCD displays measurement result and conditions directly. Widely used in mechanical manufacturing, electric power, chemical engineering, space flight and aviation and other fields. Specification: Model: HT-1201 Color: Grey Vibration acquisition: piezoceramic accelerometer (shearing type ) LCD display: three and a half digit display Measurement range: Acceleration: 0.1-199.9m/s2 (peak value) Speed: 0.1-199.9mm/s (effective value) Displacement: 0.001-1.999mm (effective value) Measurement accuracy: ±(5%+2digits) Frequency range: Acceleration: 15Hz – 1KHz (LO), 1KHz – 10KHz (HI) Speed: 15Hz – 1KHz (LO) Displacement: 15Hz – 1KHz (LO) Temperature measurement 0℃ – 60℃ Temperature accuracy: ±2℃ Automatic power-off time: 4 minutes Power supply: 3 x AA battery (NOT included) Operation temperature: 0℃ – 45℃ Operation humidity: 20%RH – 90%RH(No condensation) Storage temperature: -20℃ – 60℃ Size: Approx. 150*70*32mm/5.9*2.8*1.3inch Weight: Approx. 737g / 26oz Package List: 1 x Vibration Meter