What is the procedure for calibration?

you can contact our customer service for the procedure. Just to remind that recalibration requires professional equipment and we recommend to by performed by accredited lab. failure during re-calibration process will cause item inoperable and warranty not cover misuse.

does it have, peak torque read out? Meaning, highest torque reached displayed for a few seconds, as one comes off the bolt/nut they just torqued.

Yes, this holds the highest torque reading until you start loading it again.

Might be a dumb question, but how do you know if it's properly working? I just broke a screw set for 1.7nm

Easiest way is to test it against a known mechanical torque bar. As long as it was not damaged in shipping it should be fine out of the box.

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Description

🔧 Torque Like a Pro, Alert Like a Boss!

READY FOR THE ROAD - Comes in a rugged hard shell case with calibration certificate—your trusted partner on every job.
PRECISION MEETS POWER - Achieve exact torque every time with ±1.5% accuracy and reversible 72-tooth ratchet head.
DATA DRIVEN EFFICIENCY - Store up to 30 torque data sets for seamless workflow and quality control.
BUILT TO LAST A LIFETIME - Industrial-grade alloy steel construction engineered for decades of professional use.
SMART ALERTS FOR FLAWLESS WORK - Never miss the mark with buzzer, LED flash, and vibration notifications at target torque.

The ACDelco ARM313-2A is a professional-grade 1/4" digital torque wrench offering a torque range of 1.11 to 22.12 ft-lbs. It features a precision 72-tooth ratchet head with ±1.5% accuracy, reversible operation, and an intuitive LCD display. Equipped with buzzer, LED flash, and vibration alerts, it ensures flawless torque application. Built from industrial alloy steel and backed by ISO 6789 calibration certification, this tool is designed for durability and precision, making it ideal for demanding professional environments.

Specifications

Manufacturer	Durofix, Inc.
Part Number	ARM313-2A
Product Dimensions	5.08 x 5.08 x 41.15 cm; 762.04 g
Item model number	ARM313-2A
Size	ARM313-2A 1/4” (1.11 to 22.12 ft-lbs.)
Colour	Black Color425
Style	Digital
Finish	Polished
Material	Alloy Steel
Pattern	1/4" (1.11 to 22.12 ft-lbs.)
Power Source	Battery Powered
Torque	22.12 Foot Pounds
Item Package Quantity	1
Head Style	Flat
Measurement System	Metric
Included Components	Calibration Certification, Digital Torque Wrench, Metal Case, User Manual
Batteries included?	No
Batteries Required?	Yes
Battery Cell Type	Alkaline
Item Weight	762 g

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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