The measuring direction 

Support.360(vertical,inclined,horizontal,oblique, vertical)

The impact energy

Impact of body mass

11mJ

5.5g/7.2g

Detection range

(170-960)HLD,(17.9-69.5)HRC,(19-683)HB,(80-1042)HV,(30.6-102.6)HS, 

(59.1-88)HRA, (13.5-101.7)HRB 

Ball hardness:

Ball diameter:

The ball head material:

1600HV

3mm

Cac2

Hardness standards

HL,HV,HRA,HRC,HRB,HB,HV,HS

Impact device diameter:

Impact device length:

Weight of the device:

20mm

86(147)/ 75mm

50g

Error of indication

HLD:±6 (760HLD)

The maximum hardness:

940HV

Repeatability value

HLD:6   (760HLD) 

Surface average roughness Ra :

1.6μm

Power Supply

Rechargeable lithium battery

The minimum weight of specimen:

Direct measurement

Stable support

To compact coupling

>5kg

2~5kg

0.05~2kg

Appearance size

148mm×40mm×30mm

The minimum thickness of specimen

Dense coupling

The minimum depth of hardened layer

5mm

≥0.8mm

Working conditions

Ball indentation size

Rechargeable lithium battery

The hardness of 300HV

The indentation diameter

0.54mm

24μm

Working time

The hardness of 600HV

The indentation diameter

0.54mm

17μm