Rockwell Hardness Testing Machines HR-300/400 Series
The digital type (HR-430MR and HR-430MS) with the adoption of the automatic brake handle and load sequence.
Features • The newly designed frame provides maximum clearance for positioning the workpiece. A flat table is all that is needed for mounting these testing machines. • The digital type (HR-320MS, HR-430MR and HR-430MS) has digimatic output and our Digimatic Mini-Processor (DP-1VA LOGGER) to print and input tools (USB-ITN-E) to connect to a PC and use for data transfer.
HR-430MS
HR-320MS
HR-430MR
Dual type (Rockwell/ Rockwell superficial) hardness testing machine Changing of weights is required. Motor drive controls loading sequence. Loading navigator provides feedback for applying preliminary force.
Rockwell hardness testing machine Equipped with automatic brake handle for auto start feature. Motor drive controls loading sequence.
Dual type (Rockwell/ Rockwell superficial combined use) hardness testing machine Equipped with automatic brake handle for auto start feature. Motor drive controls loading sequence.
SPECIFICATIONS Model
HR-320MS
HR-430MR
HR-430MS
Order No
810-192-31A
810-193-31A
810-193-31A
Rockwell
Type of hardness test
Rockwell superficial
–
Rockwell superficial
Preliminary test force (N)
29.42, 98.07 ( 3Kgf, 10Kgf )
98.07 ( 10Kgf )
29.42, 98.07 )3Kgf, 10Kgf)
Superficial Rockwell
147.1, 294.2, 441.3 ( 15Kgf, 30Kgf, 45Kgf )
–
147.1, 294.2, 441.3 ( 15Kgf, 30Kgf, 45Kgf )
Test force (N)
588.4, 980.7, 1471 ( 60Kgf, 100Kgf, 150Kgf )
Standard
IS B 7726 ISO6508-2 ASTM E18
Display
Digital
Minimum reading
0.1 HR graduation
Preliminary test force (handling support)
Loading navigator indication
Automatic brake handle
Preliminary test force setting
Dial Switching Weight change
–
Dial switching
Total test force setting Total test force control
Dial switching
K
Motor drive, Button start 3-5.5 s setting, Manual
Motor drive, Automatic start
Test force duration
1-99 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)
Success or failure decision function Offset revision function Hardness converstion function
Function
Data output Power supply Dimensions
Digimatic RS-232C
AC Input : 100-240 V, 50-60 Hz, 1.8 A, DC Output: 12 V – 4.17 A
214 (W) x 512 (D) x 780 (H) mm
Mass
Approximately 47kg
Approximately 50kg
Hardness Testers are compliant with ASTM requirements 810-192-21A and 810-194-21A come with diamond indenter, 1/16” carbide ball indenter, HRC30 Block, HRC63 Block, HRBW95 Block, HR30N 60 Block and HR30TW 70 Block 810-193-31A comes with diamond indenter, 1/16” carbide ball indenter, HRC30 Block, HRC63 Block, and HRBW95 Block
K-9
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