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Description
Twin Rockwell/ Superficial Rockwell hardness tester
Model No. 900-375A
Features
- Reads in all Rockwell Hardness Scales and Superficial Rockwell Hardness Scales. These include the popular HRA, HRBW, HRC, HRN and HRT Hardness scales.
- Direct analog dial reading
- Advanced design, easy to operate
- Engineered to obtain highly sensitive and accurate readings
- Perfect for laboratories, workshops, tool rooms, inspection labs, etc
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
Features:
- 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.
Rockwell Hardness & Superficial Rockwell Hardness Tester Scale/Indentor/Load chart
| 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) |
