HT-550K Digital High Strength Rebound Tester

HT-550K Digital High Strength Rebound Tester Application Industry

Used for the compressive strength of concrete in high-rise building components, bridges, and concrete components (slabs, beams, columns, bridges) in structural engineering. It is usually suitable for concrete structures or components with a strength of 50-90MPa

Features

Built in Bluetooth chip, can connect to mobile app to upload rebound data in real time;

Optional Bluetooth printer, on-site printing of original records and test results

2.8-inch touch LCD screen, diversified input methods, simple interface, easy to operate

Support remote upgrades, synchronize industry standard updates with curves, and can be customized exclusively for users;

One on one analysis software for PC, easy to process data result analysis and generate detection reports

According to the standard

GB/T 9138-2015 "Rebound Tester"

JJG 817-2011 "Rebound Tester" Verification Regulations

JGJT 294-2013 "Technical Regulations for Strength Testing of High Strength Concrete"

Industry and Some Local Regulations Strength Testing Compressive Strength Range: Industry Standard: 60-80MPa

Fujian Standard: 60-90MPa

Technical specifications

Data acquisition instrument

Input method: touch, button

Input method: Chinese, English

Data processing: automatic data correction, calculation, statistical analysis according to specifications

Display method: 2.8-inch touch LCD screen (400 × 240 pixels)

System capacity: 1000 components, with a large measurement area of 100

Power supply method: rechargeable, built-in 3200mAh high-capacity lithium battery

Automatic shutdown: can be set to a larger 120min

Mechanical rebound tester

Sensor lifespan: over 200000 cycles

Strength measurement range: 50~100MPa

Nominal kinetic energy: 5.5J

Spring stiffness: 1100 ± 50N/m

Impact hammer stroke: 86 ± 0.3mm

Pointer friction force: 0.65 ± 0.15N

Spring tension length: 100 ± 0.5mm

Spring working length: 86 ± 0.5mm

Spherical radius at the end of the impact rod: 18 ± 1.0mm

Consistency error of indication: ≤± 1 (difference between mechanical rebound gauge pointer reading and instrument screen reading)

Steel drill calibration rebound value: 83 ± 2

Industry and some local regulations for strength testing compressive strength range: Industry standard: 60-80MPa; Fujian standard: 60-90MPa