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- NIST/ASTM-certified hardness test blocks, penetrators, and kits are available.
- This model is available with ASTM E18-20 certification
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$16,995.00
New! Digital Rockwell/Superficial Rockwell Hard Tester
Model No. 900-475 is a newly designed fully automated digital Rockwell hardness tester.

> Capable Of Testing In All Rockwell/superficial Rockwell Hardness Scales
>Touch The Start Symbol On The Display
>Direct Loading Method With Load-cell Instead Of Dead Weight System
High Speed Test Cycle And Extremely Accurate Loading Control
Hardness Scales |
HRA, HRB, HRC, HRD, HRE, HRF, HRG, HRH, HRK, HRL, HRM, HRP, HRR, HRS, HRV, HR15N, HR15N, HR30N, HR45N, HR15T, HR30T, HR45T, HR15W, HR30W, HR45W, HR15X, HR30X, HR45X, HR15Y, HR30Y, HR45Y |
| 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) |
| Weight | 275 lbs |
|---|
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New! Digital Rockwell/Superficial Rockwell Hard Tester
Model No. 900-475 is a newly designed fully automated digital Rockwell hardness tester.

This Micro Vickers hardness tester is a precise testing system suitable for hardness analysis of metallic specimens in metallography laboratories or production environments
This Micro Vickers hardness tester is a precise testing system suitable for hardness analysis of metallic specimens in metallography laboratories or production environments
This Micro Vickers hardness tester is a precise testing system suitable for hardness analysis of metallic specimens in metallography laboratories or production environments
This Micro Vickers hardness tester is a precise testing system suitable for hardness analysis of metallic specimens in metallography laboratories or production environments
This Micro Vickers hardness tester is a precise testing system suitable for hardness analysis of metallic specimens in metallography laboratories or production environments
This Micro Vickers hardness tester is a precise testing system suitable for hardness analysis of metallic specimens in metallography laboratories or production environments
Best price, best features on the market today! Portable Hardness Tester specializing in testing large hard metal parts.
This Micro Vickers hardness tester is a precise testing system suitable for hardness analysis of metallic specimens in metallography laboratories or production environments
This Micro Vickers hardness tester is a precise testing system suitable for hardness analysis of metallic specimens in metallography laboratories or production environments
Direct Digital Reading Automatic conversions to Brinell, Vickers, etc. Advanced design, easy to operate Engineered to obtain highly sensitive and accurate readings
Loaded with features, this economically priced portable hardness tester is capable of measuring the surface hardness of a broad variety of metals on flat and round surfaces.
State of the art, digital portable hardness tester is designed to test the hardness of cast,and large hard metal parts with rough surfaces.
Same features as 1700 but with DL impact device Portable Hardness Tester specializing in testing large hard metal parts in confined spaces
Same features as 1800 but with DL impact device Portable Hardness Tester specializing in testing large hard metal parts in confined spaces
Best price, best features on the market today! Portable Hardness Tester specializing in testing large hard metal parts.
Advanced integrated portable hardness tester distinguished by its very compact size, high accuracy, wide measuring range and simplicity of operation.
State of the art, digital portable hardness tester is designed to test the hardness of large hard metal parts. Clean crisp display shows the incredible functions that can only be found on this new portable hardness tester such as auto-probe detection, auto direction detector, single and multi-point calibration make the new 1900 the most versatile portable hardness tester in the industry.
Specializing in testing thin and/or softer metals down to 1mm of material as well as testing of large hard parts. Extremely versatile portable hardness tester.
