UNI-T UT311A Vibration Tester

The UNI-T UT311A is a professional handheld vibration tester designed for measuring acceleration, velocity, and displacement of rotating machinery. It is ideal for preventive maintenance and fault diagnosis in industrial environments.

Advantages

Accurate and reliable measurements with a wide frequency range. Easy-to-read backlit LCD display. Compact and ergonomic design for one-hand operation. Data hold and auto power-off functions extend battery life.

Suitable for

• Industrial maintenance technicians
• Quality control inspectors
• Field service engineers
• Facility managers

Key specifications

• Measurement range: Acceleration 0.1–199.9 m/s², Velocity 0.1–199.9 mm/s, Displacement 0.001–1.999 mm
• Frequency range: 10 Hz – 1 kHz (acceleration), 10 Hz – 1 kHz (velocity), 10 Hz – 200 Hz (displacement)
• Accuracy: ±5% + 2 digits
• Power supply: 2 x 1.5V AAA batteries
• Display: Backlit LCD
• Auto power off: Yes
• Data hold: Yes
• Dimensions: 170 x 78 x 40 mm
• Weight: Approx. 200 g (including batteries)

Recommendations

For best results, use the UT311A with the included magnetic base and probe. Calibrate annually to maintain accuracy.