HR-200/300/400 Series - Rockwell hardness testing machine | MITUTOYO
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Rockwell Hardness Testing Machine
HR-200/300/400
The line-up offers digital display type and analog display type Rockwell hardness-testing machines.
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.
• Analog type (HR-210MR) incorporates a dial indicator which needs no zero-setting, allowing easy setting of the preliminary test force.
• Digital types (HR-430MR/430MS), use an automatic steering wheel brake and automatic loading sequencing, making for easy operation.
• Digital types (HR-320MS/430MR/430MS) have Digimatic output and our Digimatic Mini- Processor (DP-1VA LOGGER) for hardcopy output, as well as input tools (USB-ITN-E) to connect to a PC for data transfer.
• Brinell hardness testing is also supported. An optional Brinell weight set, Brinell indenter, and measurement microscope are required. A measurement microscope should be prepared by customer.
Applicable standards: JIS B7726/ISO 6508-2, ASTM E18-20 (Excludes HR-200)
Test force: 588.4 - 1,471 N (60 - 150 kgf)
Specifications
| Model | HR-210MR | HR-320MS | HR-430MR | HR-430MS | |
| Applicable standards | JIS B7726:2017, ISO 6508-2:2015 |
JIS B7726:2017, ISO 6508-2:2015, ASTM E18-20 | |||
| Testable hardness | Rockwell hardness | ||||
| ̶ | Rockwell Superficial hardness | ̶ | Rockwell Superficial hardness | ||
| Preliminary test force N (kgf) | 98.07 (10) | 29.42 (3) 98.07 (10) | 98.07 (10) | 29.42 (3) 98.07 (10) | |
| Test force N (kgf) |
Rockwell Superficial | ̶ | 147.1 (15) 294.2 (30) 441.3 (45) | ̶ | 147.1 (15) 294.2 (30) 441.3 (45) |
| Rockwell | 588.4 (60) 980.7 (100) 1471 (150) | ||||
| Hardness display | Analog | Digital | |||
| Resolution | 0.5 HR graduation | 0.1 HR indication | |||
| Preliminary test force (handling support) |
Automatic pre-setting dial gauge | Loading navigator indication | Automatic steering wheel brake | ||
| Preliminary test force switching | ̶ | Dial switching | ̶ | Dial switching | |
| Total test force switching | Weight change | Dial switching | |||
| Total test force load operation | Motor drive, Button start | Motor drive, Automatic start | |||
| Test force duration | Fixed 3-5.5 s or manual | 3-60 s setting or manual operation | |||
| Maximum specimen dimension | 180 mm (100 mm if cover is attached) 165 mm (from indenter axis to the frame) | ||||
| Function | ̶ | OK/NG judgment function | |||
| ̶ | Offset correction function | ||||
| ̶ | Hardness conversion function | ||||
| Data output interface | ̶ | Digimatic RS-232C | |||
| Power supply | AC100 to 240 V 50/60 Hz 1.8 A DC12 V-4.17 A |
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| External dimensions | 214 (W) ×512 (D) ×780 (H) mm | ||||
| Mass | 46 kg | 47 kg | 50 kg | ||
Note 1: Plastic tests may not be supported depending on the plastic material.
Note 2: Brinell hardness tests can be performed by using the weight set for Brinell test, Brinell indenter and measuring microscope. A measurement microscope should be prepared by customer.
Note 3: No indenter and hardness standard block is supplied with the unit. These items (conform to the applicable standard) must be purchased separately.
| แบรนด์สินค้า | MITUTOYO |
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