เครื่องทดสอบความแข็งแบบตั้งโต๊ะชนิด Rockwell 900-332 (Phase ll)

เครื่องทดสอบความแข็งคือการระบุความแข็งของชิ้นงานทดสอบ โดยการวัดความลึกโดยกดทางเข้าของหัวเพชร หรือลูกบอลเหล็กเข้าไปในชิ้นงาน มันใช้งานง่ายและใช้กันอย่างแพร่หลายในซอฟท์, โลหะหนัก, โลหะที่ไม่ใช่เหล็ก, อโลหะ

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Model No. 900-332

This hardness tester comprises the very best in "state of the art" design along with dynamic precision only found at Phase II. The 900-332 Rockwell scale hardness tester is easy to operate, yet engineered to obtain highly sensitive and accurate readings. Conforming to ASTM E-18 Rockwell Hardness standards, the 900-332hardness tester will offer unmatched repeatability in all standard Rockwell Hardness scales (table shown below). A perfect, rugged performer suited for any environment including heat treat facilities, tool rooms, workshops, laboratories and inspection labs. Lifetime technical support is included on all Phase II Hardness Testers. So test away with confidence and a level of accuracy you will only find at Phase II.

Features:
15 3/4" Test height for extremely large parts
Direct analog dial reading
Advanced design, easy to operate
Engineered to obtain highly sensitive and accurate readings

Specifications:

Minor Load	10Kgf
Major Load	60Kgf, 100Kgf, 150Kgf
Test Force Application	Dead Weight
Test Force Control	Hydraulic Dashpot System
Results Display	Analog Dial Gage
Vertical Capacity	15-3/4" in.
Throat Depth	5.5 in.
Height	33.0 in.
Width	18.0 in.
Depth	70.0 in.
Shipping Weight	200 lbs.

Accessories:

C-scale Diamond Indentor
1/16" Ball Indentor
3- HRC Test Blocks
1- HRB Test Block
Test Table 5.87" (150mm)
Flat Anvil 2.5" (63mm)
Std. "V" Anvil
Accessory Case

Options:

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

Scale	Indenter	Initial Test Force	Total Test Force	Application Scope
A	Diamond	98.07(N) 10kg	588.4(N) 60kg	hard alloy, carbide, surface quenched steel, etc.
D			980.7(N) 100kg	thin steel sheet, surface quenched steel, etc.
C			1471(N) 150kg	quenched steel, tempered steel, hard cast iron, etc.
F	1/16” Carbide Ball		588.4(N) 60kg	cast iron, aluminum, magnesium alloy, bearing alloy, etc.
B			980.7(N) 100kg	mild steel, copper alloy, annealed steel, etc.
G			1471(N) 150kg	phosphor bronze, beryllium copper, malleable iron, etc.
H	1/8” Carbide Ball		588.4(N) 60kg	aluminum, zinc, lead, etc.
E			980.7(N) 100kg	bearing alloy, tin, hard plastics, etc.
K			1471(N) 150kg	bearing alloy, tin, hard plastics, etc.
L	1/4” Carbide Ball		588.4(N) 60kg	hard plastic, hard rubber, aluminum, tin, copper, mild steel, synthetic resin and friction materials, etc
M	1/4” Carbide Ball		980.7(N) 100kg
R	½” Carbide Ball		588.4(N) 150kg