VTSYIQI Digital Concrete Rebound Hammer Concrete Hammer Tester with Stiffness of Spring 785±30.0N/m Pointer Length 20.0±0.2mm Test Range 10-60MPa Pointer Friction 0.65±0.15N USB Communication Port OLED Display

VTSYIQI Handheld Concrete Rebound Hammer Digital Concrete Strength Tester with Test Range 10-60MPa 2.08-inch OLED Display Pointer Friction 0.65±0.15N Built in Large Capacity Memory Stiffness of Spring 785±30.0N/m

VTSYIQI Concrete Rebound Hammer Digital Concrete Test Hammer with Test Range10-60MPa Pointer Friction 0.65±0.15N Store 999 Standard Components Nominal Kinetic Energy2.207J Stiffness of Spring 785±30.0N/m Built in Large Capacity Memory

VTSYIQI Concrete Hammer Tester Digital Concrete Rebound Tester Hammer with Test Test Range 10-60MPa Stiffness of Spring 785±30.0N/m USB Communication Port OLED Display 999 Data Storage

VTSYIQI Digital Concrete Test Hammer Rebound Hammer Test Equipment with Stiffness of Spring 785±30.0N/m Test range 10-60MPa Nominal Kinetic Energy 2.207J Support Voice Counting Pointer Length 20.0±0.2mm

VTSYIQI Digital Concrete Test Hammer Digital Concrete Rebound Hammer with Test Range 10-60MPa Stiffness of spring 785±30.0N/m 999 Data Storage Pointer Friction 0.65±0.15N Voice Counting

VTSYIQI Calibration Test Anvil for Concrete Brick Mortar Test Hammer (HT-225 series)

VTSYIQI Digital Concrete Rebound Hammer Tester Gauge Concrete Rebound Test Hammer NDT Schmidt Resiliometer with 200 Standard Component Storage OLCD Display

VTSYIQI Digital Concrete Rebound Hammer Tester Resiliometer Concrete Tester NDT Concrete Strength Hardness Tester Schmidt Resiliometer with OLCD Display 200 Standard Component Storage

VTSYIQI Digital Rebound Test Hammer Concrete Rebound Hammer with Standard Impact Energy 2.207J Tension Spring Stiffness 785 N/m Automatic Recording Function Data Storage Capacity 200 Standard Components

VTSYIQI Digital Rebound Hammer Concrete Test Hammer Digital Resiliometer with Stroke of Impact Hammer 75mm Tension Spring Stiffness 785N/m Automatically Record Test Date Real-time Clock Calendar Function

VTSYIQI Digital Concrete Rebound Test Hammer Resiliometer with Tension Spring Stiffness 785N/m Stroke of Impact Hammer 75mm 200 Standard Components Data Storage Automatically Record Test Date Standard Impact Energy 2.207J