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MITECH MH310, User Manual

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MITECH MH310 User Manual Download Page 19

18

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Table 2

No.

Material

HLD

Strength σ

b

(MPa)

1

Mild steel

350

～

522

374

～

780

2

High-Carbon steel

500

～

710

737

～

1670

3

Cr steel

500

～

730

707

～

1829

4

Cr-V steel

500

～

750

704

～

1980

5

Cr-Ni steel

500

～

750

763

～

2007

6

Cr-Mo steel

500

～

738

721

～

1875

7

Cr-Ni-Mo steel

540

～

738

844

～

1933

8

Cr-Mn-Si steel

500

～

750

755

～

1993

9

Super strength steel

630

～

800

1180

～

2652

10

Stainless steel

500

～

710

703

～

1676

Summary of Contents for MH310

Page 1: ...MITECH CO LTD www mitech ndt com ...

Page 2: ...Testing Program 10 4 1 Start Up 10 4 3 Localization 10 4 4 Testing 10 4 5 Read Measured Value 11 4 6 Notification 11 5 Operation Detail 11 5 1 Power On Off 11 5 2 Material Setting 12 5 3 Hardness Strength testing 12 5 4 Impact Direction Setting 12 5 5 Average Times Setting 12 5 6 Data logging 12 5 6 1 Viewing stored file Group 13 5 6 2 Deleting selected file Group 13 5 7 Print Function 13 5 7 2Pri...

Page 3: ...2 mvip mitech ndt com Table 3 19 Table 4 20 User Notes 21 ...

Page 4: ... battery and the charge status User calibration function Software to connect to PC via USB port Thermal printer integrated convenient for in field printing NI MH rechargeable battery as the power source Charge circuit integrated inside the instrument Continuous working period of no less than 150 hours EL off and no printing Auto power off to save energy Outline dimensions 212mm 80mm 32mm 1 2 Main ...

Page 5: ...le HL HB HRB HRC HRA HV HS Display segment LCD Data memory 100 groups max relative to impact times 32 1 Printing paper width is 57 5 0 5 mm diameter is 30mm Battery pack 6V NI MH Battery charger 9V 500mA Continuous working period about 150 hours With backlight off no printing Communication interface USB1 1 1 4 Configuration Table 1 2 No Item Quantity Remarks Standard Configuration 1 Main unit 1 2 ...

Page 6: ... of the instrument battery leakage fire or even explosion Do not cast the battery pack into fire and do not short circuit disassemble or heat the battery pack otherwise battery leakage fire or even explosion may occur Do not open the cover of the paper compartment or come into contact with the heating head of the printer by hand or any part of your body to avoid burns due to high temperature when ...

Page 7: ...attery compartment cover MODEL MH310 BATTERY 6 V HARDNESS TESTER Material for Hardness Testing 9 Wrought Steel 8 Wrought Copper 7 Copper Aluminum Alloys 6 Copper Zinc Alloys 5 Cast Aluminum Alloys 4 Nodular Cast Iron 3 Gray Cast Iron 2 Stainless Steel 1 Cold Work Tool Steel 0 Steel and Cast Steel CHARGER 9V DC CNT MAT PRT DIR STR SCALE FEED MH310 Hardness Tester M i Tech HL0108070811 OFF ON 1 2 3 ...

Page 8: ... Loading tube 3 Guide tube 4 Coil unit 5 Connection cable 6 Impact body 7 Support ring 2 1 4 Different Types of Impact Device DC DL C D 15 E G 2 2 Main Screen Below is the main display screen Hardness Scale Average Icon Direction Battery Info Impact Times Measured Value Memory Icon ...

Page 9: ... Scale Selection Direction change Minus or Down FEED Manual Paper Feed Impact Times set Print data Cancel or Exit Data logging or Enter Press key to store present group of measured value into memory This operation is only valid after displaying the mean value Press key and could display single measured value Press key could switch on of off the background light of LCD Press key to set the impact d...

Page 10: ...hange to its nominal value Press key to confirm the calibration finally Or press the key to cancel the calibration Range of adjustment 30HL 3 2 Impact Device Selection Refer to Appendix Table 1 and Table 3 for selection of impact device 3 3 Preparation of the Sample Surface Preparation for sample surface should conform to the relative requirement in Appendix Table 3 In the preparation processing f...

Page 11: ... 4 3 Localization Press the impact device supporting ring firmly on the surface of the sample the impact direction should be vertical to the testing surface 4 4 Testing Press the release button on the upside of the impact device to test The sample and the impact device as well as the operator are all required to be stable now The action direction should pass the axis of the impact device Each meas...

Page 12: ... DC of impact device have the function of strength test option You can not change the setting to strength testing when using other types of impact device The setting would be set to hardness testing automatically after replacing the impact device whether the setting is hardness testing or not before Not all materials could convert to all hardness scale value The hardness scale is reset to HL autom...

Page 13: ... 1 High carbon steel 6 Cr Ni Mo steel 2 Cr steel 7 Cr Mn Si steel 3 Cr V steel 8 Super strength steel 4 Cr Ni steel 9 Stainless steel NOTE 1 The hardness scale will return to HL after changing the material setting 2 Please choose the material before choosing hardness scale 5 3 Hardness Strength testing Press key to switch between hardness testing and strength testing бb Note Only D and DC type of ...

Page 14: ...lly delete the file and display DEL After you delete the data number will list again which needs about 30 seconds don t turn off the machine to avoid data error 3 Press the key to exit the data logging function or press to selected data group for details 4 Use the key and the key for single test in data groups 5 Press to return step 3and return to measurement mode 5 7 Print Function At the end of ...

Page 15: ...utes it will turn itself off Before powering off the LCD display of the instrument will continue flashing for 20 seconds Except key press any key could stop the twinkle of LCD screen and stop the operation of power off at the moment While the voltage of the battery is too low the display will show E00 then power off automatically When the instrument is being charged the Auto Power Off will not fun...

Page 16: ...ode Explanation Error Code Explanation E00 Battery exhausted E05 Can not print E01 Value out of range E06 Battery Charging E02 Measurement not finished E07 No paper for printing E03 Data already saved E08 Over Temperature E04 No memory data E09 6 Maintenance Servicing 6 1 Impact Device Maintenance After the impact device has been used for 1000 2000 times please use the nylon brush provided to clea...

Page 17: ...battery No measured value Impact device cable failure Replace the cable Failure power on Battery exhaustion Charge the battery The battery is switched off Switch on the battery 6 4 Notice of Transport and Storage Conditions Keep it away from vibration strong magnetic field corrosive medium dumpiness and dust Storage in ordinary temperature With original packing transport is allowed on the third gr...

Page 18: ... 80 950 HS 32 2 99 5 33 3 99 3 31 8 102 1 35 8 102 6 30 6 96 8 Cold work tool steel HRC 20 4 67 1 19 8 68 2 20 7 68 2 22 6 70 2 HV 80 898 80 935 100 941 82 1009 Stainless steel HRB 46 5 101 7 HB 85 655 HV 85 802 Grey cast iron HRC HB 93 334 92 326 HV Nodular cast iron HRC HB 131 387 127 364 HV Cast aluminum alloys HB 19 164 23 210 32 168 HRB 23 8 84 6 22 7 85 0 23 8 85 5 BRASS copper z inc alloys ...

Page 19: ...gh Carbon steel 500 710 737 1670 3 Cr steel 500 730 707 1829 4 Cr V steel 500 750 704 1980 5 Cr Ni steel 500 750 763 2007 6 Cr Mo steel 500 738 721 1875 7 Cr Ni Mo steel 540 738 844 1933 8 Cr Mn Si steel 500 750 755 1993 9 Super strength steel 630 800 1180 2652 10 Stainless steel 500 710 703 1676 ...

Page 20: ...pling tightly 5kg 2 5kg 0 05 2kg 5kg 2 5kg 0 05 2kg 1 5kg 0 5 1 5kg 0 02 0 5kg 15kg 5 15kg 0 5 5kg 5kg 2 5kg 0 05 2kg Min thickness of sample Coupling tightly Min layer thickness for surface hardening 5mm 0 8mm 5mm 0 8mm 1mm 0 2mm 10mm 1 2mm 5mm 0 8mm Size of tip indentation Hardness 300HV Indentation diameter Depth of indentation 0 54mm 24μm 0 54mm 24μm 0 38mm 12μm 1 03mm 53μm 0 54mm 24μm Hardnes...

Page 21: ...e surface R11 R13 5 HZ12 5 17 For testing cylindrical inside surface R12 5 R17 6 HZ16 5 30 For testing cylindrical inside surface R16 5 R30 7 K10 15 For testing spherical outside surface SR10 SR15 8 K14 5 30 For testing spherical outside surface SR14 5 SR30 9 HK11 13 For testing spherical inside surface SR11 SR13 10 HK12 5 17 For testing spherical inside surface SR12 5 SR17 11 HK16 5 30 For testin...

Page 22: ...online reporting to repair sheet In accordance with the international relevant regulations the following are not within the scope of free warranty Damage caused by man made or improper keeping Self dismantle or non special repair shop dismantle Do not follow the requirement of service registration or warranty expired Consumable parts Service promise MITECH users have lifelong maintenance service F...

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