Máy Đo Độ Cứng Bulowie Johoyd HBRV-187.5 (Rocket：20~100, Vickers ：8~2900, Brinell：3~650HBW)

- Thông số kỹ thuật:

Giá trị lực thử nghiệm: 30 - 187.5 kgf, gồm 7 cấp lực thử

Thang đo Brinell: HB1/30、HB2.5/31.25、HB2.5/62.5、HB2.5/187.5、HB5/62.5、HB10/100

Lực thử Brinell: 30、31.25、62.5、100、187.5Kgf（294.2、306.5、612.9、980.7、1839N）

Thang đo Rockwell: HRA、HRB、HRC、HRD、HRE、HRF、HRG、HRH、HRK、HRL、HRM、HEP、HRR、HRS、HRV

Lực thử Rockwell: 60kgf(588N), 100kgf(980.7N), 150kgf(1471N)

Thang đo Vickers: HV30/HV100

Lực thử Vickers: 30kgf(294.2N), 100kgf(980.7N)

Thị kính phóng đại: Ống kính vật kính 2.5X và 5X

Độ phóng đại kính hiển vi: Brinell: 37.5×, Vickers: 75×

Đơn vị đo nhỏ nhất: Brinell: 0.004 mm, Vickers: 0.002 mm

Chiều cao mẫu thử tối đa: Rockwell: 185 mm, Brinell & Vickers: 120 mm

Thời gian giữ tải: 2 ~ 60 giây

Dải đo độ cứng: Rockwell: 20 ~ 100, Vickers: 8 ~ 2900, Brinell: 3 ~ 650 HBW

Nguồn điện: AC 220V ±5%, 50 ~ 60Hz

Kích thước (mm): 530 × 200 × 700

Trọng lượng thiết bị chính: 95 kg

Main features of the instrument

1. The optical system designed by senior optical engineers not only has clear images, but also can be used as a simple microscope, with adjustable brightness, comfortable vision, and not easy to fatigue after long-term operation;

2. It has three test methods, Brinell, Rockwell and Vickers, and seven-level test force, which can meet various hardness test requirements;

3. The cast shell has a stable and non-deformed structure in one-time molding, high-grade pure white car paint, strong scratch resistance, and it is still bright as new after many years of use;

4. Our company has the ability to research, develop, design, produce and process by ourselves, and provide parts replacement and maintenance upgrade services for our machines for life;

The main purpose and scope of use of the instrument:

1. Determine the Brinell, Vickers and Rockwell hardness of ferrous metals, non-ferrous metals and cemented carbides:

2. Brinell hardness of castings, annealed steel, normalized steel, non-ferrous metals and soft alloys;

3. Rockwell hardness of heat-treated materials such as quenching and quenching and tempering;

4. Vickers hardness of nitriding layer, ceramics, thin plates, metal flakes, electroplating layers, and small parts;