Mitutoyo HR-530 Series User manual

No. 99MBG518A1
Date of publication: May 2, 2021 (1)
User's Manual
- Instructions for use -
Read this document thoroughly before operating the product.
After reading, retain it close at hand for future reference.
This English language version of the document contains
the original instructions.
Rockwell Hardness
Testing Machine
HR-530 Series
HR-530
HR-530L
*99MBG518A1*

No. 99MBG518A
■Notice regarding this document
yMitutoyo Corporation assumes no responsibilities for any damage to the product, caused by its use
not conforming to the procedure described in this document.
yUpon loan or transfer of this product, be sure to attach this document to the product.
yIntheeventoflossordamagetothisdocument,immediatelycontactaMitutoyosaleso󰀩ceor
your dealer.
yBefore operation of the product, thoroughly read this document to comprehend its contents.
yParticularly, for full understanding of information, carefully read "Safety Precautions" and "Precau-
tions for Use" at the outset of this document before using the product.
yThe contents in this document are based on the information current as of May, 2021.
yNo part or whole of this document may be transmitted or reproduced by any means without prior
written permission of Mitutoyo Corporation.
ySomescreendisplaysinthisdocumentmaybehighlighted,simpliedorpartiallyomittedforcon-
venienceofexplanation.Inaddition,someofthemmaydi󰀨erfromactualonestotheextentthatno
user will misunderstand the functions and operations.
yThe corporation, organization and product names that appear in this document are their trade-
marks or registered trademarks.
©2017-2021 Mitutoyo Corporation. All rights reserved.
■Correspondence of product names and model numbers
Product name Model number
Rockwell hardness testing machine HR-530 HR-530L

iNo. 99MBG518A
CONVENTIONS USED IN MANUALS
Conventions used in Mitutoyo's User's Manual are roughly divided into three types (safety reminders,
prohibited and mandatory actions, and referential information and locations). Moreover, these conven-
tionsincludegeneralwarningsandspecicwarnings.Specicwarningsymbolsareprovidedwithcon-
crete pictograms inside of them.
■Safety reminder conventions and wording warning against potential hazards
DANGER
Indicates a hazard with a high level of risk which, if not avoided, will result in
death or serious injury.
WARNING
Indicates a potentially hazardous situation which, if not avoided, could result
in death or serious injury.
CAUTION
Indicates a potentially hazardous situation which, if not avoided, may result in
minor or moderate injury.
NOTICE
Indicates a potentially hazardous situation which, if not avoided, may result in
property damage.
Alertstheusertoaspecichazardoussituationthatmeans"Caution,riskof
electric shock".
■Conventions and wording indicating prohibited and mandatory actions
Indicates concrete information about prohibited actions.
Indicates concrete information about mandatory actions.
Indicates that grounding needs to be implemented.
■Conventions and wording indicating referential information or referential
locations
Tips
Indicates detailed information and referential information relevant for the operating methods and pro-
cedures that are explained in that section.
Indicates referential locations if there is information that should be referred to in this document or an
extraneous User's Manual.
Example: For details about xxx, see "1.1 Appellations for Each Part" (page 5) in "1 Overview".

ii No. 99MBG518A
Labels on Product
Product safety labels
This product has been designed and manufactured with human safety as a priority. In order to use it
more safely, product safety labels have been applied to the main body and all peripheral devices. This
section explains the meaning and the contents of each safety label on the product.
Before operating this product, be sure to carefully read this section to use this product safely and for a
long time.
■Main unit of the hardness testing machine
●Locations of labels
①
③
②④ ④

iii No. 99MBG518A
●Label details and precautions
Location Label appearance Warning information
Product safety labels
①
Risk of electric shock
There is a risk of electric shock or burn.
Do not remove the cover.
②
Precautions for relocation
When relocating the product, there is a risk of injury, product dam-
age, or reduced measuring accuracy.
Please handle the product with care when relocating it.
③
Risk of pinched hands (to prevent injuries caused by getting
your hands pinched)
The loading arm moves up and down with the button on the display
unit, the start key, and the stop key. Do not insert your hands or
arms between the indenter and anvil (specimen-measuring part) or
between the loading arm and the cover of the main unit.
④
Risk of pinched hands (to prevent injuries caused by getting
your hands pinched)
The leveling bolt part operates by using a wrench on the bolt at the
bottom of the testing machine.
Donotplaceyourhands,ngers,oranyotherbodypartunderthe
bottom of the testing machine.

iv No. 99MBG518A
Safety Precautions
Read "Safety Precautions" thoroughly before operating the product.
These safety precautions include such information as to prevent an injury to the operator and other
persons or damage to property. Be sure to observe the precautions.
■Safety precautions regarding LED lamps
An LED lamp is used in the illumination unit. To use this product safely, observe the following precau-
tions.
WARNING
In rare cases, users may experience symptoms such as an epileptic seizure or loss of consciousness if they are
exposed to the intense light emissions or look at the blinking light. If you have had such symptoms or you have
close family members who have had such symptoms, consult your doctor before operating this product. If you
exhibit such symptoms while using this product, immediately stop operation and move away from the product.
Then see a doctor for a medical examination.
CAUTION
• Followingproceduresforcontrolling,adjusting,andexecutingotherthanthosespeciedhereinmayresultin
hazardous radiation exposure.
• The following standards have been established as safety standards for LED light sources.
• EN62471: 2008 "Photobiological safety of lamps and lamp systems"
• JIS C 7550: 2011 "Photobiological safety of lamps and lamp systems"
• ThisproductisclassiedinRiskGroup1(Lowrisk)orlowerriskgroupsaccordingtothestandards.
• Do not look directly at the LED light emissions. Do not look even when no light is being emitted.
• Do not observe LED light emissions directly through an optical device that concentrates light, such as a
magnifying lens.
• Whentestingaworkpiecethathasamirror-nishedsurface,donotlookintolightreectedo󰀨thework-
piece's surface.
• Whentestingareasthateasilyreectlight,avoidlookingatthetestingsurface.
• The light will not damage human skin even if the skin is exposed to the light.
• Thelampsusedforthisinstrumentaredesignedforaspecicpurpose,andthereforetheyarenotsuitable
for indoor lighting for household use.

vNo. 99MBG518A
■General safety precautions
DANGER
Do not use the product in areas where volatile gases may be released.
Thesegasesmaycatchre.
WARNING
Besuretoturno󰀨thepowersupplywhileperformingwiringormaintenance.
Otherwise, during work the product could start running unintentionally, causing an accident or electric shock.
WARNING
This product is a class I device, so be sure to provide protective grounding.
Otherwise, it could cause electric shock or product damage.
Forinformationaboutthepowersourceorelectricalwork,contactalicensedelectricianorotherqualiedindi-
vidual.
WARNING
Properly ground the power line that is connected to the main body of this product. When connecting to other
instruments, be sure that all the instruments are properly grounded at the power supply with a complete ground
terminal, and then connect the signal cables between them.
Otherwise, it could cause electric shock or product damage.
WARNING
Use only the power cable that is supplied with this product.
Otherwise, it could cause electric shock or product damage.
If there is a problem with the power cable or the power connector, contact Mitutoyo. Repairs such as part re-
placementshouldbeperformedonlybyaqualiedMitutoyoserviceengineer.
WARNING
Place the specimen on the stage gently. Do not forcefully strike the specimen stage.
Striking the specimen stage could cause an injury or an accident due to breakage of the part.
WARNING
For personal protective equipment, wear the following items. Also, for other clothing, refer to the Instruction
Manual.
• Helmet
• Safety shoes
• Protective eyewear
• Protective gloves
• Long sleeves

vi No. 99MBG518A
CAUTION
Replace the indenter or specimen while watching out for unexpected movements of this product.
Otherwise, it could cause injury.
CAUTION
Take special shielding measures when using this product in the following locations:
• In locations subject to electric noise, such as from static electricity
• Inlocationssubjecttostrongelectricelds
• In locations near power supply lines/power lines
• In locations that may be exposed to radiation
• In locations that may be exposed to corrosive gases
Otherwise, it could cause injury.
CAUTION
Do not remove the covers on this product. This product is a precisely adjusted hardness testing machine. This
product contains high-voltage electrical components.
Removing the covers could cause an accident or performance deterioration.
CAUTION
Ifanemergencycuto󰀨ofthepowertothisproductisrequired,pulloutthepowercablefromthisproduct.

vii No. 99MBG518A
Precautions for Use
■Product applications and handling
●This product is a hardness testing machine.
Do not use this product for any purposes other than hardness test.
●This is an industrial product.
Do not use this product for any purposes other than industrial applications.
●This product is precision equipment.
Handle this product with care. Do not apply excessive shock or force to any of the parts during opera-
tion.
■Installation environment
yIndoors
yAreas subject to minimal dirt and dust
yAreas subject to minimal vibration
yAreassubjecttominimalexternaldi󰀨usedlighte󰀨ect
yAreas with an ambient temperature from 5 °C through 40 °C
yAreaswithavericationandcalibrationtemperatureof23°C±5°C
yAreas with low humidity (a maximum relative humidity of 80 % or below up to a temperature of
31 °C, with relative humidity decreasing linearly to 50 % at 40 °C)
yAreas at an altitude of 2000 m or below
yAreas with nothing blocking the ventilation openings
yFluctuationinthemainpowervoltagefallswithin±10%ofthenominalvoltage.
yTransient voltage of the main power is Overvoltage Category II.
yThe pollution degree stipulated in IEC 60664 is Class 2.
■Power cable
Use only the power cable that is supplied with this machine. If there is a problem with the power cable or
the power connector, contact Mitutoyo. Repairs such as part replacement should be performed only by
aqualiedMitutoyoserviceengineer.
■Removing of the cover, disassembling this product
This product is a precisely adjusted hardness testing machine and contains high-voltage electronic com-
ponents internally. Never remove the cover of this product to prevent accidents and maintain maximum
performance.

viii No. 99 MBG518A
■Preventing danger
To prevent danger, do not use the product in areas where volatile gases may be released.
■Maintenance
Gentlywipedirto󰀨oftheproductwithasoft,tightlywovencloth.Ifdirtisdi󰀩culttoremove,wipethe
dirto󰀨withaclothsoakedinaneutraldetergent,andthengentlywipetheproductwithadryclothor
a cloth that is tightly wrung after being soaked in water. Do not use organic solvents such as thinner or
benzine.
■Take special shielding measures when using this product in the following
locations:
yIn locations subject to electric noise, such as from static electricity
yInlocationssubjecttostrongelectricelds
yIn locations near power supply lines/power lines
yIn locations that may be exposed to radiation
yIn locations that may be exposed to corrosive gases
■Be aware of unexpected movements of the machine when replacing
workpieces.
Pay close attention to ensure that you are not injured by unexpected movements of the machine when
replacing the indenter or specimen.
■Magnetisme󰀨ect
Thishardnesstestingmachinemaynotcorrectlyobtaintestresultsduetotheinuenceofmagnetic
forces.
■Be careful not to move workpieces that weigh 18 kg or more by yourself.
Do not move workpieces that exceed 18 kg by yourself for safety reasons.
■Relocation
This product is heavy (approx. 70 kg). In addition, Mitutoyo should handle unloading, transport, and
installationbecausetheaccuracyneedstobeveriedandadjustedafterinstallation.
yNever attempt to relocate the main unit of the testing machine yourself.
yThe necessary accuracy may be lost due to vibrations or impacts during transport.
Mitutoyo needs to verify and adjust the accuracy after relocation.
yIfyouwishtorelocatetheunit,alwayscontactthenearestMitutoyosaleso󰀩ce.