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Concrete Test Hammer RH20-A

LANGRY RH20-A is a precision concrete test hammer for compressive strength assessment. Its reliable rebound values allow for accurate evaluation of mortar.
  • Portable and lightweight for easy handling

  • Durable construction for long-term reliability

  • Simple operation for quick concrete strength assessment

Applications :​

The Concrete Test Hammer RH20-A is ideal for on-site evaluation of concrete quality in construction projects, infrastructure maintenance, and material testing in civil engineering applications.
CTN DIM: 258×258×430mm
CTN DIM: 345×115×260mm
G.W.: 20.1kg

G.W.: 3.1kg

CTN DIM: 345×115×260mm

About The Product

Uncover our Concrete Test Hammer RH20-A in detail. Each component is meticulously crafted to ensure unmatched performance and lasting durability.

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Product Specifications Overview

Name
Technical indicators

Measuring range

2~15 MPa

Standard impact energy

0.196 J

Pointer length

20.0±0.2mm

Stretch length of impact spring

75±0.3 mm

Friction of pointer

0.5 ± 0. 1 N

Operating length of elastic tension spring

61.5±0.3 mm

Bounce hammer take-off position

Scale"0~1"

Calibration value on testing anvil

74±2
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Product Features

  • The spring of the whole machine is made of imported high-quality steel wire.

  • Excellent core steel, coupled with advanced processing, ensures stable rebound values.

  • The pointer direct-reading mortar hammer has a clear scale and is easy to use.

  • Low-load grating and optocoupler sensors ensure stable and accurate sampling of the digital hammer.

Standards

  • ASTM C 805 USA

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Description

The LANGRY Concrete Test Hammer RH20-A is engineered for precise assessment of compressive strength in masonry. Utilizing a spring-driven mechanism, it measures rebound distance to gauge mortar strength in various masonry applications. With a measuring range of 2~15 MPa and standard impact energy of 0.196 J, it provides reliable data for evaluating mortar integrity. Featuring precise calibration on the testing anvil and minimal friction of the pointer, it ensures accurate results. Trust LANGRY for robust testing solutions in mortar.
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components

rebound hammer

Hand protector silicone hand rest

A grinding stone

One maintenance kit

instrument case

Accessories

Bluetooth printer

The Testing Anvil GZII enables precise calibration of rebound hammers for consistent and dependable measurements in structural integrity assessments. It is widely used in quality control, research laboratories, and manufacturing settings.

  • Digital concrete test Hammer with built-in Bluetooth chip, connected to a portable Bluetooth printer, can print out the original records and test results on site.

  • Available for extra purchase

User friendly upgrade design

  • Built-in bluetooth chip is connected to portable bluetooth printer and can print out the original records and test results in the field.

  • Equipped with high-power loudspeaker, on-site voice count more clearly, can also be normally used in noisy environment.

  • Removable large capacity lithium battery, super long standby, easy to maintain.

  • Upgrade dust-proof structure, easier maintenance, longer service life and more stable rebound value.

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Download Materials

Unlock the full potential of our NDT solutions by downloading our innovative software and instruction materials today.
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Playlist

1 Videos
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Product Specifications Overview

Model
Cylinder center hole
Cylinder stroke
Measurement range
Cylinder weight
Common anchorage
Pull rod
Converter

LR-50T

60mm
120mm
0-500kN
25kg
Φ6-Φ40
M39
M6-36
LR-100T
86mm
150mm
0-1000kN
58kg
Φ25-Φ50
M45
M20-42
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Product Features

  • The thickened main body of high-strength steel with high-pressure resistance and no deformation

  • Precision machining of oil cylinders and one-way valves to maintain constant pressure without oil leakage

  • Memory for 500 data records, with dot matrix LCD illumination function

  • Zero tracking, peak hold, and automatic shutdown

  • Automatic data correction to improve instrument accuracy

  • Wide LCD display for easy data reading

  • Ultra-low power consumption design, with a continuous working time of over 200 hours

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Product Specifications Overview

Name
Specifications

Hydraulic cylinder stroke

10mm

Display mode

kN,MPa Can be set, adjustable

Measuring range

0-10kN

Accuracy

0.001kN

Peak hold

Yes

Data storage

More than 500

Accuracy grade

±0.5%(F.S)

Weight

3kg

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Product Features

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