VTSYIQI Digital Concrete Rebound Tester Hammer Concrete Strength Tester Equipment with 2.207J Nominal Kinetic Energy Test Range 10-60MPa USB Communication 3.7V Lithium Ion Battery

VTSYIQI Digital Concrete Test Hammer Concrete Compressive Strength Testing Machine with Tension Spring Stiffness 785 N/m Stroke of Impact Hammer 75 mm Bounds on Error ≤± 0.5 Real-time Clock Calendar Function Automatic Recording Function

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 Digital Concrete Test Hammer Portable Concrete Hammer Tester with OLCD Display 999 Standard Storage Voice Counting Function

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 Contact Resistance Meter Loop Resistance Tester with DC Test Current 50A 100A 2 Gear Test Time Fast 10s 20s 30s 40s 50s 60s 5-inch Touch Screen 1000 Groups Data Storage Bluetooth Communication Measurement Range 0.0uΩ~10.000mΩ

VTSYIQI Digital DC Low Resistance Tester Digital Micro Ohmmeter with Rechargeable Lithium Battery Resistance Range 1uΩ~200Ω 200 Groups Data Storage Test Current 5A MAX for Measuring The Wire Resistance of Cables

VTSYIQI Digital DC Low Resistance Tester Micro Ohm Meter Equipotential Tester Milli Ohmmeter with USB Data Transmission Function Resolution 1uΩ Resistance Range 0.001mΩ to 300.0KΩ Overload Protection Four-Wire Method Test

VTSYIQI Digital DC Resistance Tester DC Resistance Quick Tester Transformer with Resistance Range 10.0uΩ-1000.0KΩ Short Circuit Current 20A Accuracy ±0.2% Resolution 0.1uΩ Four-wire Method Test

VTSYIQI Digital DC Resistance Tester Meter Transformer DC Resistance Tester with Max Resolution 0.1uΩ Test Current Gear AUTO, 10A, 5A, 1A, 100mA, 10mA, 1mA Measurement Range 1.0uΩ~50.00kΩ 600 Groups Data Storage 5 Inch True-color LCD Touch Screen

VTSYIQI Digital DC Resistance Tester Micro Ohm Meter Milli Ohmmeter with Resolution 10uΩ Resistance Range 0.01mΩ to 30.00KΩ Accuracy ±0.1% for Measuring The Resistance of Coils Motors Transformer Winding and Metal Riveting Resistance

VTSYIQI Digital Dew Point Meter Dew Point Monitors Dew Point Measurement with Ambient Temperature -30~120°C (-22~248°F) Relative Humidity 0~100%RH Dew Point Temperature -45~120°C (-49~248°F) Wet Bulb Temperature -20~40°C (-4~104°F)