Mitutoyo HR Series Rockwell Hardness Testers

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Mitutoyo

Mitutoyo HR Series Rockwell Hardness Testers


Features:

  • The new frame design allows the full 7.1" of specimen capacity without the need to cut a whole in the table.
  • Simple to operate; the Dial Type HR210 features an automatic zero reset. The digital HR320 model uses a flashing bar graph to indicate when the initial test force has been reached.
  • Automatic brake and automatic start function that prevents overloading and begins test cycle. The HR430 model also includes the dial a weight system for easier load selection.
  • All models are complete with Flat and VEE anvils, diamond and 1/6" carbide ball indenters, 2 HRC and 1 HRBW Rockwell blocks (MR models)s or 3 Rockwell blocks and an HR30N and HR30TW for MS testers



Technical Data:

Preliminary test force 29.42N*, 98.07N
Test Force: Rockwell superficial* 147.1, 294.2, 441.3N
Test Force: Rockwell 588.4, 980.7, 1471N
Test force setting By dial
Load control Automatic (loading, duration, unloading)
Anvil Flat (ø64mm)
Max. specimen height (from the center of indenter shaft) 7.1" / 180mm
Max. specimen depth (from the center of indenter shaft) 6.5" / 165mm
Stage elevation Manual
Data output* RS-232C, Digimatic code (SPC)
Power supply 120V AC, 50/60Hz
*HR320-430 only  


Specifications:

Item Number 810-192-21A 810-193-21A 810-194-21A
Model Number HR-320MS HR-430MR HR-430MS
Description Digital Rockwell & Superficial Tester Digital Rockwell Tester
w/ Dial a Weight & Auto Brake Start
Digital Rockwell & Superficial Tester
w/ Dial a Weight & Auto Brake Start
Type of hardness test Rockwell
Rockwell superficial - Rockwell superficial
Preliminary test force (N) 29.42, 98.07 ( 3Kgf, 10Kgf ) 98.07 ( 10Kgf ) 29.42, 98.07 ( 3Kgf, 10Kgf )
Test force (N) Superficial 147.1, 294.2, 441.3
( 15Kgf, 30Kgf, 45Kgf )
- 147.1, 294.2, 441.3
( 15Kgf, 30Kgf, 45Kgf )
Test force (N) 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 Automatic brake handle
Preliminary test force setting Dial switching - Dial switching
Total test force setting Weight change Dial switching
Total test force control Motor drive, Button start Motor drive, Automatic start
Test force duration 3 - 5.5 s setting, Manual 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)
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 Approximately 50 kg


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