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Description
The probe is designed for hardness measurement of non-ferrous metals and alloys (aluminum, copper, titanium and their alloys, etc.), all types of steels and alloys of low and medium hardness (structural, carbon, alloyed, stainless, heat-resistant, etc.) and other materials (fiberglass, engineering plastics, etc.).
The SPR-A probe is completely identical to the SPR probe and is equipped with an automatic load application module. In this case, when making measurements, the operator will not need to make efforts to take measurements, it will only be necessary to hold the probe on the surface whose hardness is to be measured.
The measurement is started by pressing the button located on the top cover of the module. By automating the process of applying the measuring load during the measurement process, the human factor is eliminated, the repeatability and reproducibility of the measurement results is increased.
The automatic load application module is powered by a built-in Li-Ion battery.
Basic technical characteristics
| Technical data | SPR-A (Portable Rockwell) probe | Units |
|---|---|---|
| Measurement error of penetration depth, max | ±0.3 (ASTM E18–03) | µm |
| Load: | ||
| preliminary | 10 (1) | N (kg) |
| preliminary and main load | 50 (5) | N (kg) |
| Diamond indenter – truncated cone: | ||
| Sharpening angle | 100±0.5 | degree |
| Overall dimensions total | Ø60×225 | mm |
| Overall dimensions of the module* | Ø60×130 | mm |
| Weight total | 1050 | g |
| Module weight* | 760 | g |
| Time of one measurement | 5-7 | sec |
| Number of measurements per charge cycle, not less than | 100 | |
| * technical characteristics of a single automatic load application module without a connected probe | ||
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