Twin Rockwell/ Superficial Rockwell hardness tester

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. Utilizing the guidelines of ASTM E-18, 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.

For full conformance to the latest
E-18 specification, please call (201) 962-7373

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

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) Bearing Metals and other very soft or thin materials. Use smallest ball and heaviest load that doesn’t give anvil effect. L ¼” Carbide Ball 98.07 (10) 588.4 (60) M ¼” Carbide Ball 98.07 (10) 980.7 (100) P ¼” Carbide Ball 98.07 (10) 1471 (150) R ½” Carbide ball 98.07 (10) 588.4 (60) S ½” Carbide ball 98.07 (10) 980.7 (100) V ½” Carbide ball 98.07 (10) 980.7 (150) 15N Spheroconical Diamond 29.42 (3) 147.1 (15) Similar to A, C and D scales but for thinner gage material. 30N Spheroconical Diamond 29.42 (3) 294.2 (30) 45N Spheroconical Diamond 29.42 (3) 441.3 (45) 15T 1/16” Carbide Ball 29.42 (3) 147.1 (15) Similar to B, F and G scales but for thinner gage material. 30T 1/16” Carbide Ball 29.42 (3) 294.2 (30) 45T 1/16” Carbide Ball 29.42 (3) 441.3 (45) 15W 1/8” Carbide Ball 29.42 (3) 147.1 (15) Very Soft Material 30W 1/8” Carbide Ball 29.42 (3) 294.2 (30) 45W 1/8” Carbide Ball 29.42 (3) 441.3 (45) 15X ¼” Carbide Ball 29.42 (3) 147.1 (15) 30X ¼” Carbide Ball 29.42 (3) 294.2 (30) 45X ¼” Carbide Ball 29.42 (3) 441.3 (45) 15Y ½” Carbide Ball 29.42 (3) 147.1 (15) 30Y ½” Carbide Ball 29.42 (3) 294.2 (30) 45Y ½” Carbide Ball 29.42 (3) 441.3 (45)