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Rockwell Hardness Testers
   
Based on the same design as our analog Rockwell hardness testers, the 900-345 Phase II superficial Rockwell hardness tester maintains a “state-of-the-art” level delivering unmatched repeatability in all superficial Rockwell hardness scales. A flawless performer, these hardness testers conform to ASTM E-18 standards, tenaciously providing highly sensitive and accurate readings. This hardness tester is perfectly suited for Laboratories, tool rooms, workshops and inspection labs. Lifetime Free! Tech support is included.

Features:
  • Direct analog dial reading
  • Engineered to obtain highly sensitive and accurate readings
  • Conforms to ASTM E-18
  • Perfect for laboratories, workshops, tool rooms, inspection labs, etc.
  • For testing thin, soft material in the Superficial Rockwell scales (900-345)
Specifications:

Minor Load

10 Kgf

Major Load 15 Kgf, 30 Kgf, 45 Kgf
Test Force Application Dead Weight
Test Force Control Manual
Results Display Analog Dial Gage
Vertical Capacity 6.7 in.
Throat Depth 6.6 in.
Height 28 in.
Width 8.9 in.
Depth 19.6 in.
Shipping Weight 190 lbs

Accessories:
  • N-scale Diamond Indentor
  • 1/16" Steel Ball Indentor
  • 3- HRN Test Blocks
  • 3-HRT Test Blocks
  • Test Table 5.87" (150mm)
  • Flat Anvil 2.5" (63mm)
  • Spot Anvil .38" (10mm)
  • Std. Vee Anvil
  • Accessory Case
  • Dust Cover
Scale Symbol

Indenter Type
Ball dimensions indicate diameter

Preliminary Force
N (kgf)
Total Force
N (kgf)
Typical Application
15N Spheroconical Diamond 29.42 (3) 147.1 (15) Similar to A,C and D scales, but for thinner gage material or case depth
30N Spheroconical Diamond 29.42 (3) 294.2(30)
45N Spheroconical Diamond 29.42 (3) 441.3(45)
15T Ball - 1/16" (1.588mm) 29.42 (3) 147.1 (15) Similar to B,F and G scales but for thinner gage materials
30T Ball - 1/16" (1.588mm) 29.42 (3) 294.2(30)
45T Ball - 1/16" (1.588mm) 29.42 (3) 441.3(45)
15W Ball - 1/8" (3.175mm) 29.42 (3) 147.1 (15) Very soft material
30W Ball - 1/8" (3.175mm) 29.42 (3) 294.2(30)
45W Ball - 1/8" (3.175mm) 29.42 (3) 441.3(45)
15X Ball - 1/4" (6.350mm) 29.42 (3) 147.1 (15)
30X Ball - 1/4" (6.350mm) 29.42 (3) 294.2(30)
45X Ball - 1/4" (6.350mm) 29.42 (3) 441.3(45)
15Y Ball - 1/2"(12.70mm) 29.42 (3) 147.1 (15)
30Y Ball - 1/2"(12.70mm) 29.42 (3) 294.2(30)
45Y Ball - 1/2"(12.70mm) 29.42 (3) 441.3(45)
 
 
 
 
 
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