UNI-T UT343E Bluetooth App for Coating Thickness Records and Analysis Malaysia

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Published: 1 October 2026

The UNI-T UT343E Coating Thickness Gauge combines portable coating measurement with Bluetooth data management through a compatible mobile application.

For automotive inspectors, factories and coating contractors, this allows readings to be reviewed and organised digitally instead of relying entirely on handwritten notes.

Why Use Bluetooth for Coating Inspection?

A basic coating thickness gauge displays one result at a time. The operator must write down each reading manually if records are required.

Bluetooth connectivity can make repeated inspection more efficient by helping users:

Review multiple readings
Organise inspection data
Compare measurement points
Monitor minimum, maximum and average values
Reduce manual transcription
Keep records for later reference
Support quality-control discussions

This is particularly useful when one inspection involves many components or measurement locations.

UT343E Data Functions

The UT343E provides:

Bluetooth App connectivity
USB communication
PC analysis software
Storage for up to 3300 readings
Single and continuous measurement
Maximum, minimum and average values
Upper and lower limit settings
Ferrous and non-ferrous substrate identification

These functions make it more suitable for documented inspection than a basic coating gauge with display-only measurement.

Prepare the Instrument Before Connecting

Before starting a Bluetooth inspection:

Charge the UT343E sufficiently.
Install the compatible coating thickness application.
Enable Bluetooth on the mobile device.
Switch on the UT343E.
Follow the App instructions to connect the instrument.
Confirm that the displayed reading appears correctly.
Perform a reference check before measuring actual components.

App appearance and operating steps may vary according to the mobile operating system and software version.

Create a Clear Inspection Structure

Digital records are useful only when the measurement points can be identified later.

Before measuring, define:

Customer or supplier name
Product or vehicle identification
Batch or serial number
Coating type
Substrate material
Measurement location
Acceptance limits
Inspector’s name
Inspection date

For vehicle inspection, label readings according to the panel, such as bonnet, left front door or rear quarter panel.

For factory inspection, label readings according to the component, batch and inspection point.

Use Bluetooth for Automotive Inspection

The App function can help automotive inspectors organise readings from different body panels.

A practical inspection may include:

Bonnet
Front fenders
Front doors
Rear doors
Roof
Rear quarter panels
Boot lid
Pillars and door frames

Comparing recorded values makes it easier to identify panels that differ significantly from surrounding areas.

A higher reading does not automatically prove serious accident damage. The result should be considered together with visual inspection and vehicle-repair history.

Use Bluetooth for Factory Quality Control

Factories can use digital records when checking:

Powder-coated metal components
Painted machinery parts
Aluminium profiles
Steel enclosures
Automotive components
Plated production samples
Incoming coated materials
Supplier batches

The inspector can compare different components and review the variation across the batch.

This helps identify whether coating inconsistency is isolated to one part or appears throughout the delivery.

Use Limit Settings During Inspection

The UT343E allows upper and lower coating limits to be entered according to the approved specification.

Its LED and audio alarm can help the operator identify readings outside the selected range.

The actual measurement value should still be stored and reviewed. A pass-or-fail indication alone may not provide enough information for:

Supplier evaluation
Process improvement
Customer reporting
Trend analysis
Non-conformance investigation

Review Minimum Maximum and Average Values

The UT343E can calculate:

Minimum coating thickness
Maximum coating thickness
Average coating thickness

These values can help identify coating consistency, but they must be interpreted correctly.

An acceptable average does not necessarily mean every measurement point complies. A critically thin area may still require attention even when the overall average is within the target range.

Bluetooth Records Do Not Replace Calibration

Digital connectivity improves data organisation, but it does not confirm measurement accuracy.

Before inspection:

Check the gauge with the supplied reference plates and coating films
Clean the probe
Confirm the substrate mode
Use consistent measurement positions
Keep the probe perpendicular to the surface

Where traceable results are required, the gauge should be calibrated according to the company’s quality procedure and customer requirements.

When PC Software May Be More Suitable

Bluetooth is convenient for portable inspection and mobile data review.

PC software may be more suitable when the user needs to:

Review a larger number of readings
Work from an office computer
Analyse repeated production inspections
Maintain internal quality records
Compare measurements from different batches

The best method depends on how the company manages its inspection data.

Common Bluetooth Connection Checks

If the mobile device cannot connect:

Confirm that Bluetooth is enabled.
Check that the UT343E has sufficient battery power.
Keep the instrument close to the mobile device.
Confirm that the correct App is installed.
Close other Apps attempting to connect to the instrument.
Restart the gauge and mobile Bluetooth.
Check the phone’s Bluetooth and App permissions.
Follow the latest UNI-T software instructions.

Bluetooth connectivity and App compatibility may depend on the mobile device, operating system and application version.

Who Benefits from the UT343E App Function?

The Bluetooth function is especially useful for:

Automotive inspection businesses
Used-car dealers
Powder-coating factories
Metal fabrication companies
Incoming quality-control teams
Supplier quality engineers
Coating contractors
Production inspectors

Businesses in Selangor, Kuala Lumpur, Johor and Penang can use the UT343E to combine field measurement with more organised digital records.

For product availability or assistance selecting a coating thickness gauge with Bluetooth and PC data functions, contact MTM Precision.

MTM Precision Sdn Bhd
Showroom & Service Centre: No. 29-1 & 29-2, Jalan Bandar 18, Pusat Bandar Puchong, 47160 Puchong, Selangor, Malaysia
Tel: 03-8080 7172
WhatsApp: +6016-660 7346
Email: mtmpre@yahoo.com
Website: www.mtmpre.com.my

UNI-T UT343E Bluetooth App for Coating Thickness Records and Analysis Malaysia