HT-20J/75J digital mortar rebound tester

HT-20J/75J digital mortar rebound tester is used for non-destructive testing of the strength of masonry mortar in sintered ordinary bricks or sintered porous brick masonry

Features

Laser detection module, contactless, frictionless, long service life, high accuracy;

Built in Bluetooth chip, connected to mobile app to achieve real-time upload of rebound data on site

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

3200mAh Panasonic 18650 purchased lithium battery, capable of continuous testing for three working days

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

The detection results can be obtained immediately, and incomplete measurement areas can be checked for results at any time

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

GB/T 50315-2011 "Technical Standards for On site Inspection of Masonry Engineering"

Technical Indicators

Collection Instrument

Input Method: Touch, Button

Input Method: Chinese and English

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

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

Automatic shutdown: can be set to a larger 120min

GPS positioning: available

Mechanical rebound tester

Model: HT-20J； HT-75J

nominal kinetic energy: 0.196J; 0.735J

Elastic impact tension spring stiffness: 69 ± 4N/m; 261 ± 12N/m

Elastic impact tension spring tensile length: 75 ± 0.3mm

Pointer friction force: 0.5 ± 0.1N

Elastic impact tension spring working length: 61.5 ± 0.3mm

Elastic impact rod end spherical radius: 25 ± 1mm

Indication consistency error: ≤± 1 (difference between mechanical rebound instrument pointer reading and instrument screen reading)

Steel drill calibration rebound value: 74 ± 2

Industry and some local regulations strength testing compressive strength range:

Industry standard: 2-15MPa, Shandong standard: 2-20MPa

Industry standard: 6-30MPa