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Electric Multifunctional Digital Hardness Testing Machine Manual Operation Iso CE

Mitech CO.,LTD.

Electric Multifunctional Digital Hardness Testing Machine Manual Operation Iso CE

Brand Name : mitech

Model Number : MHBRV-187.5

Certification : ISO GOST CE SGS

Place of Origin : China

MOQ : 1

Price : usd 20-10000 per unit

Payment Terms : T/T, Western Union,paypal

Supply Ability : 10 units per day

Delivery Time : within 3 days

Packaging Details : Packaging for MHBRV-187.5 Electric Multifunctional Hardness Tester rockwell vickers brinell hardess testing ISO CE Size:-------------------75*40*50CM Weight:--------------5.5KG Packaging Details: The normal package is carton and ABS engineering plastic

Rockwell scale : HRA 、HRB、HRC、HRD、HRE、HRF、HRG、HRK、HRH

Vickers scale : HV30 、HV100

Diamond indenter specifications : Diamond Rockwell indenter, diamond Vickers indenter

Steel ball indenter specifications : 1.5875mm、2.5mm、5mm

Testing Force Application Mode : Automatic (loading, holding, unloading)

Indenter objective lens conversion mode : Manual operation

Display features : Classic mechanical dial

Maximum distance of indentor to main unit : 165mm

Voltage : AC220V/50Hz

Total Weight : 80kg

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Electric Multifunctional Digital Hardness Testing Machine Manual Operation Iso CE

Working Principle

Brinell hardness test: Test force(F) is on the steel ball with certain diameter(D) , pressed on sample surface. After a period of time, cancel the force. The indentation diameter is get by measuring with micrometer ocular,thus to calculate the average pressure(N/mm²).Then we can get the Brinell hardness.

Rockwell hardness test is a vertex angle of 120 ° diamond cone or a certain diameter of the hardened steel ball as a pressure to the specified test force will be pressed into the sample surface, according to the sample surface indentation depth to be measured The Rockwell hardness of metallic materials.

Micro-Vickers (or Knoop) hardness test principle is that put the provisions of the positive pyramid diamond indenter into the sample surface(with fixed experimental force) and maintain a certain length (holding), and then unloading. Finally, there is a positive quadrangular pyramid or kenup indentation with a square surface on the surface of the specimen. Then we can attain the area of indentation via measuring the length of the diagonal by a micrometer eyepiece. Then the corresponding Vickers (or Knoop) hardness values are obtained.

Electric Multifunctional Digital Hardness Testing Machine Manual Operation Iso CE

Technical Parameters

Technical specifications Technical Parameters
Preliminary testing force 98.07N(10kgf)
Brinell testing force 306N(31.25kg),613N(62.5kg),1839N(187.5kg)Tolerance±1.0%
Rockwell testing force 588N(60kg),980N(100kg),1471N(150kg)Tolerance±1.0%
Vickers testing force 294N(30kg), 980N(100kg)Tolerance±1.0%
Brinell measuring range 8HBW~650HBW
Rockwell measuring range 20HR~100HR
Vickers measuring range 8HV~2900HV
Brinell scale HBW2.5/31.25,HBW2.5/62.5, HBW2.5/187.5,HBW5/62.5
Rockwell scale HRA ,HRB,HRC,HRD,HRE,HRF,HRG,HRK,HRH
Vickers scale HV30 ,HV100
Diamond indenter specifications Diamond Rockwell indenter, diamond Vickers indenter
Steel ball indenter specifications φ1.5875mm,φ2.5mm,φ5mm
Testing Force Application Mode Automatic (loading, holding, unloading)
Indenter objective lens conversion mode Manual operation
Display features Classic mechanical dial
Microocular magnification 2.5X(Observing), 5X(measuring)
Eyepiece magnification 15x
Test force holding time 2~60s
Max sample height 200mm(Brinell, Vickers),260mm(Rockwell)
Maximum distance of indentor to main unit 165mm
Voltage AC220V/50Hz
Dimensions 525*240*760mm
Total Weight 80kg

Standard Delivery

• 1-4 business days domestic shipping; 4-8 business days to any countries. please call us at 0086-15510751126 or email us at mitech11(at)mitech-ndt.com to get detailed shipping cost quote.

• DHL,FedEx, TNT or UPS is available. Please email us your address to get a shipping quote.

Return Policy

• We accept refund or replacement of items with defects or different description

within 30 days of purchase, if item returned in original conditions as received.

• Returning shipping cost will be on the buyer.

• 15% restocking fee will apply. Shipping cost is non-refundable. Buyer pays for shipping back.

Warranty

• Warranty: 2 year

Payment Methods

• Visa, Master card, ( Please call us at 0086-15510751126 to speak with

our friendly sales representatives. (Monday to Friday, 8:30am to 5:30pm EST)

• Wire Transfer

• PayPal (mvip(at)mitech-ndt.com)

All goods remain property of MITECH CO., LTD until payment is received in full.

$30.00 administration fee will be charged for all Wire Transfer.

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