เครื่องทดสอบความแข็งแบบตั้งโต๊ะชนิด Rockwell 900-375A (Phase ll)

เครื่องทดสอบความแข็งคือการระบุความแข็งของชิ้นงานทดสอบ โดยการวัดความลึกโดยกดทางเข้าของหัวเพชร หรือลูกบอลเหล็กเข้าไปในชิ้นงาน มันใช้งานง่ายและใช้กันอย่างแพร่หลายในซอฟท์, โลหะหนัก, โลหะที่ไม่ใช่เหล็ก, อโลหะ

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Model No. 900-375

Test Rockwell and Superficial Rockwell Hardness in 1 Unit!

Our latest Phase II analog Rockwell Hardness Tester, the 900-375, tests both Rockwell hardness and Superficial Rockwell hardness in one unit, with state of the art design and dynamic precision only found at Phase II. The Phase II Twin Rockwell/Superficial Rockwell hardness tester is ruggedly engineered to obtain highly sensitive and accurate readings. Conforming to ASTM E-18 Rockwell hardness standards, this hardness tester will offer unmatched repeatability in all Rockwell hardness scales. A perfect performer suited for any environment including heat treatment facilities, tool rooms, workshops, laboratories and inspection labs. Lifetime technical support is included with all Phase II Hardness Testers. So test away with confidence and a level of accuracy you will only find at Phase II.

Features: Model No. 900-375

Direct analog dial reading
Advanced design, easy to operate
Engineered to obtain highly sensitive and accurate readings
Conforms to ASTM E-18

Perfect for laboratories, workshops, tool rooms, inspection labs, etc.

Specifications:

Minor Load	3 Kgf, 10 Kgf
Major Load	15Kgf 60 Kgf 30 Kgf 100 Kgf 45 Kgf 150 Kgf
Test Force Application	Dead Weight
Test Force Control	Manual
Results Display	Dual Scale Dial
Vertical Capacity	6.0 in.
Throat Depth	5.5 in.
Height	26.0 in.
Width	18.2 in.
Depth	9.4 in.
Shipping Weight	250 lbs
Hardness Scales: HRA B,C,D,E,F,G,H,K , L, M (superficial) HR15N, HR15T, HR30N, HR30T, HR45N, HR45T

Accessories:

Diamond Conical Indentor
1/16” Ball Indentor
2- HRC Test Blocks
1- HRB Test Block
1- HR15N Test Block
1- HR30N Test Block
1- HR45T Test Block
Test Table 5.87” (150mm)
Flat Anvil 2.5” (63mm)
Std. Vee Anvil
Accessory Case
Dust Cover

Options:

NIST/ASTM certified hardness test blocks, penetrators and kits are available.
This model is available with ASTM E18-08B or current certification

Scale Symbol	Indentor Type	Preliminary Force N (kgf)	Total Force N(kgf)	Typical Applications
A	Spheroconical Diamond	98.07 (10)	588.4 (60)	Cemented carbides, thin steel, and shallow case hardened steel
B	1/16” Carbide Ball	98.07 (10)	980.7 (100)	Copper alloys, soft steels, aluminum alloys, malleable iron, etc.
C	Spheroconical Diamond	98.07 (10)	1471 (150)	Steel, hard cast irons, pearlitic malleable iron, titanium, deep case hardened steel, other harder than HRB 100
D	Spheroconical Diamond	98.07 (10)	980.7 (100)	Thin steel and medium case hardened steel, and pearlitic malleable iron
E	1/8” Carbide Ball	98.07 (10)	980.7 (100)	Cast Iron, Aluminum and magnesium alloys, and bearing metals
F	1/16” Carbide Ball	98.07 (10)	588.4 (60)	Annealed copper alloys and thin soft sheet metals
G	1/16” Carbide Ball	98.07 (10)	1471 (150)	Malleable irons, copper-nickel-zinc and cupro-nickel alloys
H	1/8” Carbide Ball	98.07 (10)	588.4 (60)	Aluminum, zinc and lead
K	1/8” Carbide Ball	98.07 (10)	1471 (150)