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Uni-T UT311A Vibration Tester

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Uni-T UT311A Vibration Tester

The Uni-T UT311A Vibration Tester is a compact machine condition monitoring device that measures vibration acceleration, velocity, and displacement with instant readings displayed on a 2.4" TFT screen. The device operates in two frequency modes for acceleration (LO: 10 Hz–1 kHz and HI: 1 kHz–15 kHz), allowing you to tailor the measurement to the nature of the equipment’s operation. Its compact design, auto-rotating screen, built-in flashlight, and USB-C rechargeable battery make the UT311A ideal for field inspections and routine diagnostics of industrial equipment.

Measurements tailored to various applications

The UT311A offers three key measurement methods: acceleration (PEAK), velocity (RMS), and displacement (P-P), allowing you to assess both dynamic vibrations and the overall operating condition of the machine. Separate frequency modes for acceleration (LO and HI) allow for more precise analysis of both slower and faster vibrations, rather than using a single generalized range. The Data Hold function allows you to freeze the result on the screen, making it easier to read in less convenient conditions. The 1350 mAh battery provides up to approximately 12 hours of operation, and charging via USB-C takes about 3 hours. The weight of approximately 191 g refers to the device together with the short probe, i.e., in a ready-to-use configuration.

Included
  • Uni-T UT311A Vibration Tester
  • Long measurement probe
  • Short measurement probe
  • USB-C charging cable
  • User manual
  • Safety instructions
Manufacturer Uni-T
Model UT311A
Acceleration measurement 0.1–199.9 m/s²
Velocity measurement 0.1–199.9 mm/s
Displacement measurement 0.001–1.999 mm
Acceleration frequency range LO 10 Hz–1 kHz / HI 1 kHz–15 kHz
Velocity frequency range 10 Hz–1.5 kHz
Displacement frequency range 10 Hz–1 kHz
Resolution 0.1 m/s² / 0.1 mm/s / 0.001 mm
Acceleration and velocity accuracy ±(5%+2 digits)
Displacement accuracy ±(10%+2 digits)
Display 2.4" TFT LCD, auto-rotation, backlight
Functions Data Hold, flashlight, battery indicator, auto power off after 5 min
Power supply 1350 mAh Li-Ion battery, 3.7 V
Charging USB-C, DC 5 V
Operating time approx. 12 h
Operating conditions 0°C–40°C, ≤80% RH (non-condensing)
Dimensions 180 × 28 × 64 mm (with short probe)
Weight 191 g (with short probe)

Dimensions and weights

Gross weight
0.72 kg

Product codes

EAN
6935750531136
Manufacturer code
UT311A

Photopoint offers free shipping for orders over 99 € delivered to Estonia. Take a look in the tab "Delivery" for a more precise delivery estimate.

For this product you can select the desired delivery method at the shopping cart:

Photopoint store Pick-up


Place your order from Photopoint web store and pick your goods up from one of Photopoint`s brick and mortar stores. The delivery to Photopoint store is free even for orders less than 99 €. You will be noticed by e-mail when your order is ready for pick-up.

The Photopoint stores are located in Tallinn and Tartu. See the exact locations from here.

Omniva parcel terminal 

You can order the goods to one of the Omniva Parcel terminals. Choose the desired terminal at the shopping cart. As the shipment arrives to the selected terminal, you will be sent an SMS-notification with an unique code. Go to the terminal within a week, enter the code and take your package. It is as simple as that.

See Omniva Parcel terminal locations here.

SmartPOST parcel terminal

Did not find an Omniva terminal at suitable location? Try SmartPost. Choose the desired terminal at the shopping cart. As the shipment arrives to the selected terminal, you will be sent an SMS-notification with an unique code. Go to the terminal within a week, enter the code and take your package. This method actually works for all parcel terminals.

See SmartPOST parcel terminal locations here.

DPD parcel locker

Make sure you check out also the locations of DPD parcel lockers. These are located all over Estonia. The delivery is the same. As the shipment arrives to the selected locker, you will be sent an SMS with a unique code. Go to the locker, enter the code and take your package.

See DPD parcel locker locations here.

Smartpost Finland parcel terminal

SmartPOST Finland is the best way to order goods to Finland. These terminals work the same way as in Estonia. As the shipment arrives to the selected terminal in Finland, you will be sent an SMS-notification with an unique code. Go to the terminal, enter the code and take your package.

See SmartPOST Finland parcel terminal locations here.

Matkahuolto parcel service

Matkahuolto is easy way to order goods to Finland. These are located also in smaller Finnish towns. As the shipment arrives to the selected Matkahuolto outlet, you will be sent an SMS-notification or an e-mail. Go to the outlet, show your ID and take your package.

See Matkahuolto outlet locations here.

Omniva courier delivery

The courier will transport your goods from Photopoint straight to the provided address. The delivery will take place at workdays from 08:00 to 17:00. Hold your phone near you as the courier will call you prior to its arrival. Please make sure there is someone at the destination, eligible to receive the shipment. 

The product can only be ordered from our online store and it takes from 4-7 working days for delivery within Estonia.

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