What size battery does it take?

Hi, the battery model is CR2032，3v

How do you switch between inside and outside radius on this thing? Pressing the "Mode" button just switches radius to angle, not radius to radius.

Yes, the MODE is the switch between radius and angle, the switch between inside and outside radius is automatic conversion, when the display shown R1 is inside radius is ,R2 is outside radius

Does it come with any certificate of accuracy or traceability to nist or other nationally recognized metrological institutes such as asme, astm, etc.?

Hi friend: Sorry for it does not.

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📐 Master every curve with precision and style!

STAY POWERED STAY READY - Uses standard CR2032 battery (not included) for long-lasting, reliable performance.
VERSATILE MEASUREMENT MODES - Measure internal/external arcs, depth, and steps with one sleek tool.
ENGINEERED FOR PROFESSIONALS - Durable metal build designed to withstand rigorous daily use in any workshop.
PRECISION AT YOUR FINGERTIPS - Switch effortlessly between 5 jaw sizes for exact radius readings from 10mm to 100mm.
DIGITAL ACCURACY ZERO GUESSWORK - High-precision digital display ensures flawless readings every time.

The CGOLDENWALL Digital Radius Gauge is a professional-grade measurement tool featuring five interchangeable jaws (10, 20, 30, 60, 100mm) for versatile radius measurement. It supports multiple functions including inside, outside, depth, and step measurements, delivering high accuracy via a digital display. Crafted from durable metal and powered by a CR2032 battery (not included), it’s designed for precision and reliability in demanding environments.

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28491308₫

Duties & taxes incl.

Vietnamstore

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Manufacturer	CGOLDENWALL
Part Number	FF89
Package Dimensions	30 x 20.4 x 7.4 cm; 742 g
Manufacturer reference	FF89
Colour	Black
Material	Metal
Item Package Quantity	1
Batteries included?	No
Batteries Required?	No
Item Weight	742 g

CGOLDENWALLHigh Accuracy Digital Radius Gauge Digital Radius Indicator Measurement Tool with 10/20/30/60/100mm Changeable Measuring Jaw Black

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