Mitutoyo HR-300 Rockwell Hardness Testing Machine

Preliminary test force (N): 29.42, 98.07 ( 3Kgf, 10Kgf )
Test force (N): Superficial 147.1, 294.2, 441.3 ( 15Kgf, 30Kgf, 45Kgf ) Rockwell 588.4, 980.7, 1471 ( 60Kgf, 100Kgf, 150Kgf )
Standard: IS B 7726 ISO6508-2 ASTM E18-20
Display: Digital

Minimum Reading: 0.1 HR graduation
Preliminary Test Force (handling support): Loading Navigator Indication
Preliminary Test Force Setting: Dial switching
Total Test Force Setting: Weight Change
Total Test Force Control: Motor Drive
Button Start
Test Force Duration: 3-5.5 s setting

Manual
Maximum Specimen Dimensions: Height 180 mm (100 mm if the Cover is Attached), Depth 165 mm (From Indenter Axis to the Frame
Function: Success or Failure Decision Function, Offset Revision Function, Hardness Conversion

Function
Data Output: Digimatic RS-232C
Power Supply: AC Input : 100-240 V, 50-60 Hz, 1.8 A, DC Output: 12 V – 4.17 A
Dimensions: 214 (W) × 512 (D) × 780 (H) mm
Mass: Approximately 47 kg