ARK-600
Features

• Test force selection can be easily made with the dial.
• The loading navigator indicates the current loading condition for setting the preliminary test load.
• The measured hardness is displayed on the large LED.
• Tolerance judgement function
• Hardness number offset function
• Equipped with RS-232C and SPC output ports
• Simplified dust-proof structure

ARK-510
Features

• Easy operation that doesn't require expertise. Rockwell superficial hardness testing can be made by simply applying the preliminary test load and pressing the start switch.
• Precision loading mechanism for accurate hardness measurement.
• The measured hardness is displayed on the large LED
• The Loading Navigator indicates the current loading condition.
• Equipped with RS-232C and SPC output ports.

AR-20 and AR-10
Features

• Economy type hardness testers
• Precision loading mechanism for accurate hardness measurement
• The dial indicator can be zero-set automatically, allowing the preliminary test load to be applied with the table elevation wheel only.
• Test load selection can be easily made with the selecting wheel (AR-20 only).
• Simplified dust-proof structure (AR-20 only).