Rebound Hammer HD225-D Mechanical Digital Rebound Hammer Concrete Strength Tester US Plug 100-240V

rebound hammer HD225-D Mechanical Digital Rebound Hammer Concrete Strength Tester US Plug 100-240V Specification: Condition: Item Type: Rebound Hammer Sensor Life: >200 000 Times Display: 2.0 Inch Color Screen 220x176 Pixels Strength Range: 10-60MPA Storage Quantity: 2000 Components 640 000 Data Probe Material: Stainless Steel Power Supply: 3.7V 1050mAh PG1050 Lithium Battery Built-in Plug: US Plug 100-240V Communication Interface: USB for Requires Printer Nominal Impact Energy: 2.207J Tension Spring Stiffness: 7.84N/CM Impact Hammer Stroke: Approx. 75mm / 3.0in Indication Consistency Error: Less than or equal to ±0.5 mechanical rebound hammer pointer reading and instrument screen reading difference Steel Drill Rate Set Rebound Value: 80±2 Product Size: Approx. 28 x 8 x 6 cm / 11 x 3.1 x 2.4 in Weight: Approx. 3170g / 111.8oz Package List: 1 x Digital Rebound Hammer Built-in Battery 1 x Tool Box 1 x Tool Bag 1 x Pair of Gloves 1 x Grinding Stone 1 x Spare Spring 1 x USB Cable 1 x Adapter 1 x Slotted Screwdriver 1 x Crossed Screwdriver 1 x Chinese User Manual 1 x CD