UNI-T UT311A Vibration Tester

This product benefits from a 3-year warranty.

UNI-T UT311A is a portable vibration tester, equipped with acceleration sensor and digital display circuit, designed for measurement of vibration acceleration, velocity and displacement mechanical equipment. The device is distinguished by wide measuring range, simple operation and high portability.

It is widely used in inspection and maintenance activities in areas such as mechanical engineering, energy, chemicals, metallurgy, aeronautics, but also in many other industrial applications. It is an ideal tool for technical inspection and maintenance rotating equipment: fans, pumps, compressors, motors, etc.

Key features

• Measurement acceleration, speed and displacement vibration

• Acceleration modes low and high frequency

• High sensitivity sensor

• Compatible with multiple probe (long and short)

• Integrated flashlight, useful for measurements in dimly lit environments

• Screen 2.4” TFT color” for clear display of values

• Auto-rotating display for ease of use

• Function Data Hold (freezing displayed values)

• Supply with rechargeable lithium battery

• Certifications: EC, UKCA

Technical parameters

Acceleration (PEAK)

• Domain: 0.1 ~ 199.9 m/s²

• Frequency response: 10 Hz ~ 1 kHz / 10 Hz ~ 15 kHz

• Resolution: 0.1 m/s²

• Accuracy: ±(5% + 2 digits)

Vibration speed (RMS)

• Domain: 0.1 ~ 199.9 mm/s

• Frequency response: 10 Hz ~ 1.5 kHz

• Resolution: 0.1 mm/s

• Accuracy: ±(5% + 2 digits)

Vibration displacement (P-P)

• Domain: 0.001 ~ 199.9 mm

• Frequency response: 10 Hz ~ 1 kHz

• Resolution: 0.001 mm

• Accuracy: ±(5% + 2 digits)

Additional features

• Low/high frequency acceleration mode

• Function Data Hold

• Integrated LED flashlight

• Automatic shutdown after 5 minutes of inactivity

• Low battery indicator

Power and autonomy

• Battery type: Lithium 3.7V / 1350 mAh

• Loading: USB, DC 5V

• Charging time: approx. 3 hours

• Autonomy: approx. 12 hours

Terms of use

• Operating temperature: 0°C ~ 40°C

• Humidity: ≤ 80% RH

Dimensions and weight

• Dimensions: 180 × 28 × 64 mm

• Weight: approx. 191 g (with short probe)

Accessories included

• Short probe

• Long probe

• USB charging cable

• User manual