Concrete Test Hammer

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Concrete Test Hammer Specification

Accuracy
18% rebound

Feature
Portable, non-destructive testing

Power Source
Manual operation

Model No
CTH-20

Core Components
Hammer mechanism, pointer, scale

Temperature Range
0C to 50C

Automation Grade
Manual

Voltage
Not applicable (manual)

Capacity
18-20 Nm

Measurement Range
10-70 MPa

Frequency
Single impact

Equipment Materials
Aluminum alloy body, steel internal components

Type
Concrete Test Hammer

Usage
Testing compressive strength of concrete

Display Type
Analog

Dimension (L*W*H)
280 mm x 55 mm x 55 mm

Weight
1.5 kg

Concrete Test Hammer Trade Information

Payment Terms
Cash Against Delivery (CAD), Cash on Delivery (COD), Cheque, Days after Acceptance (DA), Delivery Point (DP), Letter of Credit (L/C), Letter of Credit at Sight (Sight L/C), Telegraphic Transfer (T/T), Cash in Advance (CID), Cash Advance (CA)

Delivery Time
2 Week

Sample Available
Yes

Sample Policy
If order is confirmed we will reimburse the sample cost

Main Export Market(s)
Australia, North America, Eastern Europe, Middle East, Africa, Central America, South America, Western Europe, Asia

Main Domestic Market
South India, Central India, North India, East India, All India

Certifications
AS ISO 9001:2008, ISO 14001:2004 and OHSAS 18001:2007 CO.

About Concrete Test Hammer

Concrete Test Hammer

The Method is based on the principal that the rebound of an elastic mass depends on the hardness of the surface which it strikes. The Test is fast & unlikely to cause damage to the concrete.The hammer is intended for testing the quality of concrete in finished structures such as buildings and bridges. Supplied complete with carrying case and carborundum stone, the hammer is suitable for testing concrete with Compressive Strengths of 10 to 70 N/mm2. Weight 1.4 Kgs. App.

Exceptional Accuracy and Durability

Engineered with a robust aluminum alloy body and steel components, the CTH-20 offers high corrosion resistance and reliable accuracy (18% rebound). Its ergonomic, anti-slip grip ensures comfortable, fatigue-free operation during extended testing, even in humid environments up to 85% RH. Built for repeated use, the test hammer provides long service life, making it a smart investment for field and lab professionals.

Versatile Application in Construction

The CTH-20 is tailored for a wide array of concrete strength evaluations in building construction, bridges, tunnels, and civil engineering projects. Its portable, manual design and analog readability make it suitable for on-site assessments, fulfilling the needs of quality control teams and structural inspectors. Portable and easy to operate, the hammer can test compressive strength non-destructively, preserving the integrity of the structure.

FAQs of Concrete Test Hammer:

Q: How does the CTH-20 Concrete Test Hammer measure concrete compressive strength?

A: The CTH-20 uses the Schmidt rebound principle, where the hammer impacts the concrete surface with a set energy (2.207 Joule) and measures the rebound value on an analog scale. This value relates directly to the compressive strength of the concrete.

Q: What types of structures can the CTH-20 be used on?

A: This test hammer is suitable for a variety of civil structures, including buildings, bridges, tunnels, and other concrete works, making it versatile for construction professionals and structural inspectors.

Q: When should I use the CTH-20 for testing?

A: The CTH-20 can be used during routine quality control, after concrete curing, or during structural inspections, to evaluate in-situ compressive strength of concrete without causing any structural damage.

Q: Where can I operate the CTH-20 Concrete Test Hammer?

A: You can use the CTH-20 both indoors and outdoors, as it is designed to operate within a temperature range of 0C to 50C and up to 85% relative humidity, making it suitable for various site conditions.

Q: What is the process for conducting a test with this device?

A: To perform a test, hold the hammer with its ergonomic anti-slip grip, press it onto a smooth concrete surface, and trigger a single impact. The hammer rebounds, and the pointer shows the value on the analog scale. Multiple readings are typically taken and averaged for accuracy.

Q: What benefits does the CTH-20 offer over other testing methods?

A: The CTH-20 allows for rapid, non-destructive testing, preserving the integrity of the structure. Its portable, requires no power source, and delivers reliable results quickly on-site, making it an efficient and cost-effective solution for field testing.

Q: How durable is the CTH-20 and what materials is it made from?

A: Built with a corrosion-resistant aluminum alloy body and steel internal components, the CTH-20 is engineered for a long service life even in challenging environmental conditions. It comes with a carrying case for convenient and safe transport.

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