Rebound Test Hammer HT-20Mortar

Rebound Test Hammer HT-20Mortar

Mechanical model

1. Application field:

Non destructive testing of compressive strength for structural engineering sintered ordinary bricks or sintered porous brick masonry mortar.

2. Functional features:

Imported high toughness alloy steel springs have good elasticity and are more resistant to fatigue;

High precision CNC precision machining refined movement ensures more stable rebound value;

The pointer axis is smooth, with uniform friction and high measurement stability;

Precision ground spherical zero adjustment screw matched with high-strength hook, with smoother rebound firing, wear-resistant and less prone to bounce;

Adopting high-strength hard aluminum body shell, it is lightweight and resistant to pressure and drop;

Customized protective sleeve handle for more comfortable rebound operation;

Professional data processing software that supports raw record input and facilitates the issuance of testing reports.

3. According to the standard:

GB/T 9138-2015 Rebound Tester

JJG 817-2011 "Rebound Tester" Verification Regulations

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

4. Technical indicators:

Impact kinetic energy: 0.196J

Stretch length of spring for impact: 75 ± 0.3mm

Friction force of pointer slider: 0.5 ± 0.1N

Working length of rebound spring: 61.5 ± 0.3mm

Release position of the hammer: marked with the "100" line on the scale

Spherical radius at the end of the firing rod: 25 ± 1mm

Jump position of the hammer: at the "0+1" mark on the scale

Calibration value on steel drill: 74 ± 2

Digital display model

1. Application field:

Used for non-destructive testing of the strength of masonry mortar in sintered ordinary bricks or sintered porous brick masonry.

2. Functional features:

Built in Bluetooth chip, connected to Haichuang 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 imported 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;

PC specific analysis software, easy to process data result analysis and generate detection reports.

3. According to the standard:

GB/T 9138-2015 Rebound Tester

JJG 817-2011 "Rebound Tester" Verification Regulations

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

Industry and some local regulations for strength testing compressive strength range: Industry standard: 2-15MPa

Shandong standard: 2-20MPa

4. Technical indicators:

Input methods: touch, button

Input methods: Chinese, English

Data processing: Automatic correction, calculation, and strength result estimation of data based on specifications

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

System capacity: 1000 components, 100 measurement areas

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

Automatic shutdown: can be set to a maximum of 120 minutes

Nominal kinetic energy: 0.196J

Stretch length of spring for impact: 75 ± 0.3mm

Pointer friction force: 0.5 ± 0.1N

Working length of rebound spring: 61.5 ± 0.3mm

Spherical radius at the end of the firing rod: 25 ± 1mm

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

Steel drill rebound value: 74 ± 2