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Durometer according ISO 7619-1 for determining the Shore surface hardness of foams, steering wheels and inner linings of motor vehicles with hardness < 20 Shore A
For measuring the hardness, the spring-loaded outer ring of the housing is pressed downwards until the edge of the ring meets the colored marking on the housing. This ensures a constant pressure and prevents measuring errors.
General:
The principle used to measure shore hardness is based on measuring the resistance force of the penetration of a pin into the test material under a known spring load. The amount of penetration is converted to hardness reading on a scale with 100 shore units.
As the depth of indentation is max. 2.5 mm the test material has to have a minimum thickness of 6 mm. If thickness is less, stack some samples till you reach the required thickness.
The HP series durometer is supplied as a complete kit with:
A calibration certificate is optional.
| Indentor | Ball, 5 mm diameter (R=2.5mm) |
| Depth of indentation | 0 - 2.5 mm |
| Typical applications | Foams, steering wheels and inner linings of motor vehicles |
| Accuracy | ± 1 hardness unit |
| Application range | < 20 Shore A |
| Standard | ISO 7619-1 |
| Measuring spring force | 0.55 - 8.065 N |
| Test pressure* | Approx. 12.5 N |
| Scale diameter | 54 mm |
| Display range | 0 - 100 Shore AO units |
| Working face | 44.5 mm Ø = 15.5 cm² |
| Base plate | 44.5 mm Ø |
| Weight, net (gross) | Approx. 300 g (500 g) |
| Dimensions | 50 x 60 x 110 mm (LxWxH) |
