Feature:1. Compact and portable design, simple and easy for use.2. Measurement range: acceleration: 0.1~199.9m/s peak; velocity: 0.1~199.9mm/s rms; displacement: 0.001~1.999mm p-p.3. Different vibration frequency selection(high frequency is only for acceleration measurement mode).4. High sensitivity probe for accurate measurement.5. Provides long and short probe head, each one is suitable for different situation measurement.6. Equipped with AC signal output interface.7. Low power indication,auto power-off function.8. Widely used in mechanical manufacture, electric power metallurgy and general aviation, etc.Specification:This product adopts piezoelectric effect of artificial polarized ceramic for design. It is suitable for monitoring all kinds of vibrating mechanical facility, specially the vibration measurement of rotating and reciprocating machinery. The unit can measure acceleration, velocity and displacement, which is widely used in mechanical manufacture, electric power metallurgy and general aviation, etc.Features:Compact and portable design, simple and easy for use.Measurement range: acceleration: 0.1~199.9m/s² peak; velocity: 0.1~199.9mm/s rms; displacement: 0.001~1.999mm p-p.Different vibration frequency selection(high frequency is only for acceleration measurement mode).High sensitivity probe for accurate measurement.Provides long and short probe head, each one is suitable for different situation measurement.Equipped with AC signal output interface.Low power indication, auto power-off function.Widely used in mechanical manufacture, electric power metallurgy and general aviation, etc.Specifications:LCD Display: 3 1/2 digits display with BacklightAcceleration: 0.1~199.9m/s² peakVelocity: 0.1~199.9mm/s rmsDisplacement: 0.001~1.999mm p-pMeasurement Accuracy: ±5% ±2digitsVibration Pickup: Piezoelectric Ceramic AccelerometerMeasuring Frequency: Acceleration: 10Hz-1KHz(LO); 1KHz-15KHz (HI)Velocity: 10Hz-1KHz (LO)Displacement: 10Hz-1KHz (LO)Display Update Cycle: 1 secondSingle Output: AC Output 2V Peak (Display Full Scale)Load Impedance 10K or More Earphones can be ConnectedPower Supply: 1 * 9V Alkaline Battery(NOT Included)Static Current: ≤ 20uAOperating Current: ≤ 25mAAuto Power Off: Turns off automatically in 60sLow Battery Indication: 6.9V ± 0.2VOperating Environment: 0-40°C, 30-90% RHItem Dimension: Approx. 183 * 67 * 30mm / 7.2 * 2.64 * 1.18inItem Weight: Approx. 144g / 5.1ozPackage Size: Approx. 28.5 * 18.5 * 8cm / 11.22 * 7.28 * 3.15inPackage Weight: Approx. 885g / 31.24ozPackage List:1 * Digital Vibrometer1 * Detector Probe(L)1 * Detector Probe(S, equipped on the main unit)1 * Storage Case1 * User Manual(English)Package List:1 * Digital Vibrometer1 * Detector Probe(L)1 * Detector Probe(S, equipped on the main unit)1 * Storage Case1 * User Manual(English)