Digital Superficial Rockwell Hardness Tester/Superficial Rockwell Hardness Scales
Model No. 900-346
Features
- Reads in all Superficial Rockwell Hardness scales, including HRN and HRT, while also providing automatic conversions to Brinell(HB) and Vickers (HV).
- Touch Screen selectable system
- Upper/Lower Limit Settings
Load Cell, Closed Loop, Superficial Rockwell Hardness
Touch Screen Functions w/One Touch Testing Feature!
Features:Model No. 900-346 Superficial Rockwell Hardness Tester
This digital Superficial Rockwell hardness tester with fully automated load/unload procedures affords highly sensitive and accurate readings. Micro computer controlled Touch Screen with USB output to PC. Utilizing the guidelines of ASTM E-18, the 900-346 digital Superficial Rockwell hardness tester offers programmable scale conversions, dwell times, statistical capabilities and test counter. Capable of testing in all of the regular Rockwell hardness scales
For full conformance to the latest E18-20 specification, please call (201) 962-7373
Direct Loading Method With Load-Cell Instead Of Dead Weight System. High Speed Test Cycle and Extremely Accurate Loading Control
- Automatic conversions to HB, HV, Superficial Rockwell Scales
- Touch Screen selectable system
- Upper/Lower Limit Settings
Specifications: Superficial Rockwell Hardness Tester
| Minor Load | 3 Kgf |
|---|---|
| Major Load | 615 Kgf, 30 Kgf, 45 KGF |
| Test Force Application | Load Cell Closed Loop |
| Test Force Control | Motorized |
| Results Display | Hi Def LCD Digital Readout |
| Resolution | 0.01HR |
| Vertical Capacity | 7.80” |
| Throat Depth | 5.90” |
| Height | 700mm |
| Width | 600mm |
| Depth | 250 |
| Weight | 220 lbs |
Accessories:
-
- N-scale Diamond Indenter
- 1/16″ Ball Indenter
- 3- HRN Test Blocks
- 1- HRT Test Block
- Test Table 5.87″ (150mm)
- Flat Anvil 2.5″ (63mm)
- Std. V- Anvil
- Accessory Case
- Dust Cover
Test resolution: 0.01HR Rockwell unit;
Operation temperature: 50° – 95°F (10ᵒC～35ᵒC)
Power supply:single phase, AC, 110-220 with manual change, 50～60Hz, 4A;
Machine dimension: 700mm×250mm×600mm..
Options:
- NIST/ASTM certified hardness test blocks, penetrators and kits are available.
- This model is available with ASTM E18-20 certification
Superficial Rockwell Hardness Tester Scale/Indentor/Load chart
| Scale Symbol | Indentor Type | Preliminary Force N (kgf) | Total Force N (kgf) | Similar to A C and D scales but for thinner gage material Typical Applications |
|---|---|---|---|---|
| 15N | Spheroconical Diamond | 29.42 (3) | 147.1 (15) | |
| 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) |