Sand Mould Surface Hardness Tester Meter Gauge with Compression Stroke 2.50mm
Because their quantity values are related and consistent, the values of hardness are large when the unit value is large (g/mm2). Compression stroke: 2.50mm. Outline size: 90 x 55 x 28mm. The pointer is stopped at a certain value, press the locking pin to lock, reading test a fixed value, and then releasing the locking pin so that the pointer reply 0.