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Digital Brinell Rockwell vickers hardness tester HBRV-187.5S

Digital Brinell Rockwell vickers hardness tester HBRV-187.5S

Place of Origin : Beijing
Brand Name : Huatec
Certification : CE, GOST
Model Number : HBRV-187.5S
MOQ : 1 set
Packaging Details : Carton Package
Delivery Time : 3-5 working days
Payment Terms : Paypal / Western Union / TT
Supply Ability : 1000
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Detailed Product Description

Digital Brinell Rockwell vickers hardness tester HBRV-187.5S, AC220V±5%, 50-60 Hz Acurate Brinell Hardness Tester


Technical specifications

1. The Power Source and the Voltage: AC220V±5%, 50-60 Hz

2.Time-delayed control: 0-60 seconds, adjustable

3.The Distance from the Indenter Center to the Instrument Body: 165mm

4.Overall Dimension (Length×Width×Height): 551×260×800 mm

5.The Net Weight of the Tester: 80kg (Approx)

6.Specifications of Rockwell Hardness

Testing force(N)

Initial Testing Force

98.07(10kg)

Tolerance ±2.0%

Total testing force

588.4(60kg)

Tolerance ±1.0%

980.7(100kg)

1471(150kg)

Indenter

Diamond Cone Indenter

Ф1.5875mm Ball Indenter

Scales

HRA

HRB

HRC

HRD

Max height of samples

175mm

7.The Tolerance of Rockwell Hardness Display Value

Hardness Scale

HardnessRangeof The Standard Testing Blocks

The Max. Tolerance of Display Value

Repeatabilitya

HRA

(20~≤75)HRA

±2HRA

≤0.02(100-H)or

0.8 Rockwell Unitb

(>75~≤88)HRA

±1.5HRA

HRB

(20~≤45)HRB

±4HRB

≤0.04(130-H)or

1.2 Rockwell Unitb

(>45~≤80)HRB

±3HRB

(>80~≤100)HRB

±2HRB

HRC

(20~≤70)HRC

±1.5HRC

≤0.02(100-H)or

0.8 Rockwell Unitb

a:H is average hardness value b:Confirm as higher value

8.The Technical Specification of Brinell Hardness Tester

Testing force

294.2N(30kg)

Tolerance ±1.0%

306.5N(31.25kg)

612.9N(62.5kg)

980.7N(100kg)

1839N(187.5kg)

Indenter

φ2.5mm,φ5mmBall Indenter

Scales

HBW1/30

HBW2.5/31.25

HBW2.5/62.5

HBW5/62.5

HBW10/100

HBW2.5/187.5

Eyepiece magnification

15×

Objective

2.5×(resolution 0.5μm),5×(resolution 0.25μm)

Max Height of Sample

For 2.5×:Max Height is 95mm

For 5×:Max height is 115mm


9. The Tolerance and Repetition of Displayed Value for Brinell Hardness Tester

Hardness Block(HBW)

Tolerance(%)

Repeatability (%)

≤125

±3

3

125<HBW≤125

±2.5

2.5

>225

±2

2


10. Technical Specifications of Vickers Hardness

Test force

294.2N(30kg)

Tolerance ±1.0%

980.7N(100kg)

Indenter

Diamond Vickers Indenter

Scale

HV30

HV100

Eyepiece magnification

15×

Objective magnification

5×(Resolution 0.25μm)

Max. Height of Specimen

115mm


11. The Tolerance and Repetition of Displayed Value for Vickers Hardness Tester

Tolerance of Displayed Value

Repetition of Displayed Value

Hardness scale

Value of Hardness Block

Tolerance of Displayed Value

Value of Hardness Block

Repetition of Displayed Value

HV30

HV100

≤250HV

±3%

≤225HV

6%

300~1000HV

±2%

>225HV

4%


--------------------------------------------------------------------------------------------------------------

Yuesheng Chen
Your Private Secretary in NDT Instruments
16 Hours Online at your Service! Add my Whatsapp (00 86 139109 83110) or Skype(cindydon) now!
Click to Contact on Website : www.huatecgroup.com www.ndt-instrument.com !


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