UEZNIRN 150mm Digital Caliper, Stainless Steel, IP54

The UEZNIRN 150mm digital caliper is a stainless-steel measuring tool with an LCD, inch/mm switching and a claimed IP54 rating. Its listed accuracy and measuring range differ across the product details, so check the selected listing before relying on a particular figure.

At a glance

Switches between millimetres and inches and has a zero button for relative measurements.
The listing describes inside, outside, depth and step measurement modes.
A smooth finger wheel and locking screw are described for positioning and holding a measurement.
The manufacturer claims IP54 protection against splashes and dust. This is not a claim of submersion resistance.

Price

£18.33Save 20%

Reference price: ~~£22.98~~

Price checked: 12 Nov 2026

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Pros and cons

Pros

Inch/mm switching and zeroing support measuring in different units and from a chosen starting point.
The claimed four measurement modes cover inside, outside, depth and step dimensions.
A storage case is listed for carrying and keeping the caliper together with its accessories.

Technical specifications

15 specifications

Identity
Brand	UEZNIRN
Model	150mm

Display
Screen technology listed	LCD

Materials and protection
Material listed	Stainless Steel

Measurement
Measuring range (feature description)	0-150mm / 0-6 inches
Measurement accuracy (feature description)	±0.02mm
Measurement range (technical specifications)	0-150 mm (0-6 inches)/0-200mm (0-8 inches)
Measurement accuracy (technical specifications)	±0.01 mm (±0.0005 inches)
Resolution	0.01 mm (0.0005 inch)
Unit selection	mm (mm) / inch (inch)

Power and operating conditions
Battery requirement	1 CR2032 batteries required. (included)
Auto shut-off	6 Minutes of Inactivity
Power	3V (button cell:CR2032 )
Waterproof rating	IP54
Working temperature	5℃-40℃/41 to 104 F

What to know before buying

Listing details to confirm

Listing details are inconsistent: the feature description gives a 0-150mm / 0-6 inches range and ±0.02mm accuracy, while the technical specifications give a 0-150 mm (0-6 inches)/0-200mm (0-8 inches) range and ±0.01 mm (±0.0005 inches) accuracy. The source also describes one included CR2032 battery, but a feature says two batteries with one spare, and the package lists a single CR2032 battery. Confirm the range, accuracy and battery quantity for the selected listing before buying.

What’s in the box

Digital caliperIncluded
ScrewdriverIncluded
CR2032 batteryCheck selected pack
Portable storage caseIncluded
Product manualCheck selected pack

Check which accessories are included in your selected pack before buying.

Who is it for?

A good fit for

DIY users and hobbyists needing a digital caliper for inside, outside, depth or step measurements.
Buyers who want inch/mm switching, zeroing and a carry case for general measurement tasks.

Less suited to

Buyers who need a confirmed accuracy or range for precision-critical work without checking which specifications apply to the selected listing.
Use in wet conditions involving immersion, since the stated IP54 claim refers to splash protection rather than submersion.

UEZNIRN 150mm Digital Caliper, Stainless Steel, IP54 · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.5 / 5 · 149 ratings

5 stars74%74%
4 stars16%16%
3 stars5%5%
2 stars2%2%
1 star3%3%

Customer feedback highlights perceived accuracy and build quality, with value for money also mentioned positively. These are reported impressions rather than verification of the listed accuracy, which varies between the product details. For routine DIY and workshop measuring, those perceptions may be reassuring, but buyers needing dependable precision should confirm the applicable specification.

Positive themes

Customers describe the caliper as accurate and well-built.
Customers report positive value for money.

Frequently asked questions

What measurement range does this caliper have?

The feature description states 0-150mm / 0-6 inches, but the technical specifications also list 0-200mm (0-8 inches). Confirm the range on the selected listing.

What accuracy is listed?

The feature description gives ±0.02mm, while the technical specifications give ±0.01 mm (±0.0005 inches). The supplied details do not resolve the discrepancy.

Can it measure in both millimetres and inches?

Yes. The listing describes switching between mm and inches, along with a zero button for resetting the measurement.

Is the caliper waterproof?

The listing claims an IP54 rating and describes protection against splashes and dust. It does not establish suitability for immersion.