Accud Portable Hardness Tester AC-HL400

Accud Portable Hardness Tester AC-HL400

The Accud AC-HL400 Portable Hardness Tester is a practical option for hardness testing across workshops, inspection environments, QA teams and industrial applications.

Based on the HL scale, the AC-HL400 can convert readings to other hardness scales, including HV, HB, HRC, HRB and HS. It also supports tensile strength measurement in MPa, giving users flexible measurement outputs in one portable device.

The tester allows impact direction to be set and includes an average value calculation function, supporting more practical use during routine inspection and quality control work. Automatic power-off helps preserve battery life during workshop or field use.

Key features:
- Portable hardness tester for workshop, inspection and QA use
- Based on HL scale
- Converts to HV, HB, HRC, HRB and HS hardness scales
- Supports tensile strength measurement in MPa
- Impact direction can be set
- Average value calculation function
- Automatic power-off
- Conforms to ASTM A956-02

Technical specifications:
Model: AC-HL400
Resolution: 1HLD, 1HV, 1HB, 0.1HRC, 0.1HRB, 1HS, MPa
Accuracy: ±6HLD
Minimum workpiece weight:
- >5 kg directly
- >2 kg on solid support
- >0.1 kg coupled on large plate
Minimum workpiece thickness: >5 mm
Minimum workpiece diameter: >22 mm
Maximum workpiece surface roughness: Ra < 1.6 μm
Power: 3 × AAA batteries
Dimensions: 150 × 82 × 24 mm

Included accessories:
- Main unit
- Test block
- Small support ring and brush
- USB cable
- Batteries

Download Brochure

Need help confirming suitability?

If you are unsure whether the Accud AC-HL400 is the right portable hardness tester for your application, contact Precision Measurement Tools before purchasing.

This product is suited to buyers who need a portable hardness tester with scale conversion, tensile strength support, impact direction setting and average value calculation for workshop, inspection and quality control use.

Stock levels vary. If this item is out of stock, additional lead time may apply. We will contact you with an estimated delivery timeframe. If you need a confirmed lead time before purchasing, please contact us.