Hand-Held Hardness Checker

JFE Advantech Hand-Held Hardness Checker SONOHARD®

เครื่องวัดความแข็งระบบอัลตราโซนิค ยี่ห้อ JFE Advantech รุ่น SH-21


SH-21 Hand-Held Hardness Checker SONOHARD®


The SH21 is very easy to use and requires no special knowledge of hardness testing in order to operate the instrument. The unit includes all four hardness scales and you can switch between them at the touch of a button.
* Quick measurement (few seconds).
* Best repeatability and precision.
* Direct reading of hardness.
* Easy to use hand held probe can be quickly applied to a variety of surfaces from any direction.
* Easy to use – no prior experience of hardness measurement techniques required.
* Built in memory for data and calibration points.
* Measures Vickers, Rockwell, Brinell and Shore scales.
* Interchangeable probes for use with different surface profiles, pipes, concave surfaces, gears valves etc.
* Portable works with rechargeable lithium ion battery.
  • Evaluation of carburizing, standard quenching and high-frequency quenching
  • Weld hardness measurement for welded structures (tanks, hulls, bridges, steel towers ,etc.)
  • Hardness measurement for a gear tooth flank (narrow area)
  • Measurement of structural strength or hardness of a facility
  • 100% online inspection for components (engine valves, rack bars, crankshafts, bearings, etc.)
Measuring Indenter
Diamond indenter for Micro-Vickers (facing-to-surface angle of 136 deg)
Measuring load
Approx 1kgf (roughly 10N)
Approx 2kgf (roughly 20N)
Approx 4kgf (roughly 40N)
(These loads indicate those in typical applications. As the specification varies according to the object to be measured, please contact us for details.)
Measuring range
Rockwell hardness: HRC10.0 to HRC70.0
Vickers hardness: HV50 to HV999
Shore hardness: HS20.0 to HS99.9
Brinell hardness: HB85 to HB550
HRC:± 1.0HRC , HV : ± (3%rdg)HV , HS: ± 1.0HS , HB : ± (3%rdg)HB
Power source
AC adapter (100 to 240V) or lithium ion rechargeable battery
Minimum target size
15 mm (width) x 15 mm (length) x 7 mm (thickness)
Measuring Stand (option)


When mounted on the measuring stand, the tester can be used as a stationary hardness tester.
This compact, lightweight checker (2.5kg) can be carried around on-site.

For more information, please contact: info@kurokicorp.com