ZK-225KC digital rebound tester

ZK-225KC digital rebound tester application industry

Non destructive testing of compressive strength of concrete structures such as buildings, bridges, tunnels, etc

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

Built in GPRS, supports data cloud upload. The instrument transmission account is built-in at the factory and can be used immediately upon startup

During special working condition detection without mobile phone signal, after normal detection is completed, it will automatically upload when turned on within the coverage range of the mobile phone signal

According to the standard

TB 10426-2019 "Code for Testing the Strength of Concrete Structures in Railway Engineering"

JTS 239-2015 "Technical Code for Solid Testing of Concrete Structures in Water Transport Engineering"

JGJ/T 23-2011 "Technical Code for Testing the Compressive Strength of Concrete by Rebound Method"

DB11/T 1446-2017 "Technical Code for Testing the Compressive Strength of Pumped Concrete by Rebound Method and Ultrasonic Rebound Comprehensive Method"

Relevant Landmarks of Rebound Method in Various Provinces and Cities

Industry Code for Strength Testing and Compressive Strength Range: Industry Standard: 10-60MPa

Technical specifications

Data acquisition instrument

Input method: automatic recording of rebound value

Data processing: automatic correction, calculation, and strength result estimation of data 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 components

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

Automatic shutdown: can be set to a larger 120min

Volume: 123mm × 68mm × 44mm

Weight: 186g

Mechanical rebound tester

Sensor life: over 200000 times

Strength measurement range: 10-60MPa

Nominal kinetic energy: 2.207J

Elastic impact tension spring stiffness: 785.0 ± 30N/m

Impact hammer stroke: 75mm

Consistency error of indication: ≤± 1. The difference between the pointer reading of the mechanical rebound gauge and the screen reading of the instrument

Steel drill calibration rebound value: 80 ± 2

Volume: Ø 60mm × 280mm

Weight: 1.0kg