Concrete Strength Evaluation
This digital concrete test hammer, microprocessor operated, entirely designed with advanced technology, performs basoc concrete testing with continous automatic recording of all parameters, register and process data and then transfer them to a PC.. Equipped with an electronic tranducer that measures the rebound values and supplies automatically  the results on a graphic display.

Main Features
- Higher accuracy and stability of the readings.
- Intensity of result viewing with wide LCD Display.
- Use exclusively only on the surfaces to be tested & on the testing anvil.
- The test result is automatic recorded, calculation & Storage.
- Works efficiency of rebound detection and reduce.
- Data transfer to PC or mini printer (optional).

Technical Specifications:
Model Number : NL 4021 X / 004
Impact Graphic : High-contrast Graphic Display 256 x 64 (pixel) - LED Blue Display
Spring Tension : 785±0.3mm
Stretch Tension Spring : 75±0.3mm
Battery Lifetime Power : 3.7V (lithium battery 1600 mAh)
Test Result Storage : 240 Group
Reading Unit : Mpa, Psi & kgf/cm²
Casing Dimension (mm) : 320 (L) x 190 (W) x 90 (H) mm
Approx. Weight : 2 kg