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1、MH210 Leeb Hardness TesterUsers Manual1 Overview31.1 MH210 Advantages31.2 Main Application &Testing Range31.2.1 Main Application31.2.2 Testing Range31.3 Configuration41.4 Working Conditions42 Structure Feature &Testing Principle52.1 Structure Feature52.1.1 The Hardness Tester Appearance52.1.2 Parts
2、of the Main body52.1.3 D Type Impact Device62.1.4 Different Types of Impact Device62.2 Leeb Hardness Testing Principle63 Technical Specifications74 Preparation & Testing84.1 Preparation & Inspection before Testing84.1.1Preparation of Sample Surface84.1.2 System Setting84.1.3Presetting Testing condit
3、ion94.2 Testing Program94.2.1 Start-Up94.2.2 Loading94.2.3 Localization94.2.4 Testing94.2.5 Read measured value104.2.6 Power Off105 Advice116 Operation in Details126.1 Power On126.2 Power Off126.3 Testing126.3.1 Instruction of the Main Display Interface126.3.2 Testing Operation at the Main Display I
4、nterface136.3.3 Key Operation at the Main Display Interface136.4 Menu Structure146.5 Test Set146.5.1 Impact Direction Setting156.5.2 Average Times Setting156.5.3 Material Setting156.5.4 Hardness Scale Setting166.5.5 Tolerance Limit Setting176.5.6 Hardness/b Setting176.6 Print Set176.7. Memory Manage
5、r176.7.1 View from No.1 Group/View from Ending Group186.7.2 View from Selected No. Group186.7.3 Data Transfer186.7.4 Delete by Group No.186.7.5 Delete All Data196.7.6 Deletion Confirmation196.8 Browsing Memory Data Groups196.9 System Set206.9.1 LCD Brightness Set216.9.2 Time Date Set216.10 Software
6、Information216.11 System Calibration226.12 EL Background Light226.13 Auto Power Off236.14 Battery Replacing236.15 Connection of Data Transmission Cable237 Fault Analysis & Evacuation248 Servicing & Maintenance248.1 Impact Device Servicing248.2 Normal Maintenance Program249 Calibration2410 Notice of
7、Transport and Storage Conditions24APPENDIX25Table 125Table 226Table 327Table 42811 Overview1.1 MH210 Advantagesl Wide measuring range. Based on the principle of Leeb hardness testing theory. It can measure the Leeb hardness of all metallic materials.l Large screen(12864 dot matrix LCD), showing all
8、functions and parameters.l Test at any angle, even upside down.l With EL background lightl Direct display of hardness scales HRB, HRC, HV, HB, HS, HLl Seven impact devices are available for special application. Automatically identify the type of impact devices. l Large capacity memory could store 50
9、0 groups (Relative to average times321 ) information including single measured value, mean value, testing date, impact direction, impact times, material and hardness scale etc. l Upper and lower limit can be preset. It will alarm automatically when the result value exceeding the limit. l Battery inf
10、ormation indicates the rest capacity of the battery.l Software calibration function.l Software to connect with PC via RS232 port. Micro printer support.l Compact metal case，suitable for use under poor working conditionsl Continuous working period of no less than 50 hours with two alkaline batteries(
11、AA size)；Auto power off to save energy.l Outline dimensions：132 X 76.2 *30mml Weight：345g1.2 Main Application &Testing Range1.2.1 Main Applicationl Die cavity of moldsl Bearings and other partsl Failure analysis of pressure vessel, steam generator and other equipmentl Heavy work piecel The installed
12、 machinery and permanently assembled parts.l Testing surface of a small hollow spacel Material identification in the warehouse of metallic materialsl Rapid testing in large range and multi-measuring areas for large-scale work piece1.2.2 Testing RangeTesting range refer to Table 1 and Table 2 in the
13、Appendix.1.3 ConfigurationTable 1-1No.ItemQuantityRemarksStandard Configuration1Main body1 2D type impact device1 With cable3Standard test block1 4Cleaning brush (I)15Small support ring16Alkaline battery2AA size7Manual18Instrument case19Optional Configuration11Cleaning brush (II)1For use with G type
14、 impact device12Other type of impact devices and support ringsRefer to Table 3 and Table 4 in the appendix.13DataPro software114Communication cable115Micro Printer116Print cable11.4 Working ConditionsWorking temperature： 040；Storage temperature：-3060Relative humidity: 90；The surrounding environment should avoid of vibration, strong magnetic field, corrosive medium and heavy dust. 2 Structure Feature &Testing Principle2.1 Structure Feature2.1.1 The Hardness Tester Appearance1. Main body 2. Impact device2.1.2 Parts of the Main body1 Socket of RS232
