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THÔNG SỐ KỸ THUẬT
Máy đo độ cứng HBRV-187.5S
Đo độ cứng kiểu Rockwell:
Thang lực: lực ban đầu: 98.07(10kg)
Tổng lực: 588.4(60kg)/ 980.7(100kg)/ 1471(150kg)
Độ chính xác: ±1.0%
Indenter :Ф1.5875mm Ball Indenter
HRA/ HRB/ HRC/ HRD
Đo độ cứng kiểu Brinell
Thang lực: 294.2N (30kg)/ 306.5N(31.25kg)/ 612.9N(62.5kg)
980.7N(100kg)/ 1839N(187.5kg)
Độ chính xác: 1%
Indenter: φ2.5mm,φ5mmBall Indenter
HBW1/30 - HBW2.5/31.25 - HBW2.5/62.5 - HBW5/62.5
- HBW10/100 - HBW2.5/187.5
Độ phân giải 0.5μm
Đo độ cứng kiểu Vicker
Thang lực: 294.2N(30kg)/ 980.7N(100kg)
Độ chính xác: 1%
HV30/ HV100
Độ phân giải: 0.25μm
Nguồn điện: AC220V±5%, 50-60 Hz
Thời gian giữ tải: 0~60s
Kích thước: 551×260×800 mm
Khối lượng: 80kg
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
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Testing force(N)
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Initial Testing Force
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98.07(10kg)
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Tolerance ±2.0%
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Total testing force
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588.4(60kg)
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Tolerance ±1.0%
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980.7(100kg)
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1471(150kg)
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Indenter
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Diamond Cone Indenter
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Ф1.5875mm Ball Indenter
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Scales
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HRA
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HRB
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HRC
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HRD
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Max height of samples
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175mm
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7.The Tolerance of Rockwell Hardness Display Value
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Hardness Scale
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HardnessRangeof The Standard Testing Blocks
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The Max. Tolerance of Display Value
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Repeatabilitya
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HRA
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(20~≤75)HRA
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±2HRA
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≤0.02(100－H)or
0.8 Rockwell Unitb
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(＞75~≤88)HRA
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±1.5HRA
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HRB
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(20~≤45)HRB
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±4HRB
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≤0.04(130－H)or
1.2 Rockwell Unitb
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(＞45~≤80)HRB
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±3HRB
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(＞80~≤100)HRB
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±2HRB
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HRC
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(20~≤70)HRC
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±1.5HRC
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≤0.02(100－H)or
0.8 Rockwell Unitb
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a:H is average hardness value b:Confirm as higher value
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8.The Technical Specification of Brinell Hardness Tester
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Testing force
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294.2N(30kg)
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Tolerance ±1.0%
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306.5N(31.25kg)
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612.9N(62.5kg)
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980.7N(100kg)
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1839N(187.5kg)
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Indenter
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φ2.5mm,φ5mmBall Indenter
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Scales
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HBW1/30
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HBW2.5/31.25
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HBW2.5/62.5
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HBW5/62.5
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HBW10/100
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HBW2.5/187.5
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Eyepiece magnification
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15×
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Objective
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2.5×(resolution 0.5μm),5×(resolution 0.25μm)
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Max Height of Sample
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For 2.5×:Max Height is 95mm
For 5×:Max height is 115mm
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9. The Tolerance and Repetition of Displayed Value for Brinell Hardness Tester
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Hardness Block(HBW)
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Tolerance(%)
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Repeatability (%)
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≤125
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±3
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3
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125＜HBW≤125
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±2.5
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2.5
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＞225
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±2
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2
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10. Technical Specifications of Vickers Hardness
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Test force
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294.2N(30kg)
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Tolerance ±1.0%
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980.7N(100kg)
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Indenter
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Diamond Vickers Indenter
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Scale
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HV30
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HV100
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Eyepiece magnification
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15×
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Objective magnification
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5×(Resolution 0.25μm)
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Max. Height of Specimen
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115mm
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11. The Tolerance and Repetition of Displayed Value for Vickers Hardness Tester
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Tolerance of Displayed Value
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Repetition of Displayed Value
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Hardness scale
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Value of Hardness Block
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Tolerance of Displayed Value
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Value of Hardness Block
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Repetition of Displayed Value
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HV30
HV100
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≤250HV
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±3%
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≤225HV
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6%
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300~1000HV
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±2%
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＞225HV
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4%
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