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NL Scientific Global
Asia Leader in Construction Material Testing Equipment

Air Entrainment

(Concrete Testing Equipments)

ASTM C231 BS 1881:106 EN 12350-7 NF P18-353 UNE 7141
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Description

Standard: EN 12350-7 / BS 1881:106, ASTM C231 / NF P18-353 / UNE 7141

Air Entrainment Meter Apparatus (Water Column Type) NL 4023 X / 001

Concrete Air Content

Made from cast aluminium alloy. With 5 litres capacity, transparance scale tube & pressure indicator. It is used to determining the air content in fresh concrete.

Air Entrainment Meter for Concrete (8 Litres) NL 4023 X / 002 & 003

Product Description

The Air Entrainment Meter for Concrete is an equipment used in construction and civil engineering to measure the air content in fresh concrete samples. The 7-litre capacity refers to the volume of the container used to hold the concrete sample during testing. The evaluation of air content in concrete is an important parameter to assess because it affects the durability, workability, and strength of concrete. The presence of air voids in concrete can have significant effects on how well it performs in construction projects, particularly in applications like masonry construction. These voids can weaken the structure and reduce its durability. Comes with aluminium cast vessel & designed for easy disassembly in order to replace worn or damaged parts in the field. Consists of two types operation, manually & electrical operated.

Air Entrainment Meter for Concrete (7 Litres) NL 4023 X / 004

Product Description

The Air Entrainment Meter for concrete is an equipment used in construction and civil engineering to measure the air content in fresh concrete samples. The 7-litre capacity refers to the volume of the container used to hold the concrete sample during testing. The evaluation of air content in concrete is an important parameter to assess because it affects the durability, workability, and strength of concrete. The presence of air voids in concrete can have significant effects on how well it performs in construction projects, particularly in applications like masonry construction. These voids can weaken the structure and reduce its durability. Comes with aluminium cast vessel & designed for easy disassembly in order to replace worn or damaged parts in the field.

Air Entrainment Meter 7 Litres (E-Version) NL 4023 X / 005

Concrete Air Content

Used to measure the air content in fresh mix concrete. The test procedure equalizes a known volume of air in the pressure chamber. With aluminium cast vassel & designed for easy disassembly in order to replace worn or damaged parts in the field.

It consists of an aluminum vessel with built in hand operated pressure pump,a precision pressure gauge with 95 mm Dia. for easy display of reading,it come with standard self calibration accessories and solid carrying case.

Additional information

Air Entrainment

Air Entrainment Meter Apparatus (Water Column Type) NL 4023 X / 001, Air Entrainment Meter for Concrete (8 Litres) NL 4023 X / 002 & 003, Air Entrainment Meter for Concrete (7 Litres) NL 4023 X / 004, Air Entrainment Meter 7 Litres (E-Version) NL 4023 X / 005

Features

Air Entrainment Meter for Concrete (8 Litres) NL 4023 X / 002 & 003

Features of Air Entrainment Meter for Concrete

  • Pressure Control System to ensure the pressure applied to the concrete testing is being controlled. Provides accurate measurements of air content.
  • Pressure Gauge helps in ensuring the consistency and accuracy of concrete testing process.
  • 7-Litre capacity to hold mortar sample during the testing process.
  • Pressure Gauge & Release Valve to ensure accurate testing and accurate measurement of air content. 

Air Entrainment Meter for Concrete (7 Litres) NL 4023 X / 004

Features of Air Entrainment Meter for Concrete

  • Pressure Control System to ensure the pressure applied to the concrete testing is being controlled. Provides accurate measurements of air content.
  • Pressure Gauge helps in ensuring the consistency and accuracy of concrete testing process.
  • 7-Litre capacity to hold mortar sample during the testing process.
  • Pressure Gauge & Release Valve to ensure accurate testing and accurate measurement of air content. 

Tech Spec

Air Entrainment Meter Apparatus (Water Column Type) NL 4023 X / 001

Model Number NL 4023 X / 001
Air Content Range Maria Anders
Centro comercial Moctezuma 0 to 8% x 0.1% Div.
Dimension (mm) 250 Dia. x 700 (H)
Approx. Weight 13 kg

Air Entrainment Meter for Concrete (8 Litres) NL 4023 X / 002 & 003

Model Number NL 4023 X / 002 NL 4023 X / 003
Type Manually Operated Electrical Operated
Air Content Range 0-10% div. 0.1%, up to & 0.5% over
Dimension Ø 250 (D) x 450 (H) mm
Approx. Weight 12 kg 14 kg
Power – 230 V, 1 ph, 50 / 60 Hz

Air Entrainment Meter for Concrete (7 Litres) NL 4023 X / 004

Model Number NL 4023 X / 004
Alternate Code LA-0316
Air Content Range 0-100%
Gauge Graduations 0.1% up to 6%, 0.2% from 6 to 10%
Approx. Product Weight 7.5 kg
Approx. Total Weight 21 kg
Product Dimension Ø 250 (D) x 500 (H) mm
Case Dimension 660 (L) x 450 (W) x 310 (H) mm

Unit Consists Of:

Model Number NL 4023 X / 004
Alternate Code LA-0316
Air Content Range 0-100%
Gauge Graduations 0.1% up to 6%, 0.2% from 6 to 10%
Approx. Product Weight 7.5 kg
Approx. Total Weight 21 kg
Product Dimension Ø 250 (D) x 500 (H) mm
Case Dimension 660 (L) x 450 (W) x 310 (H) mm

Air Entrainment Meter 7 Litres (E-Version) NL 4023 X / 005

Model Number NL 4023 X / 005
Air Content Range 0-100%
Gauge Graduations 0.1% up to 6%, 0.2% from 6 to 10%
Approx. Product Weight 7.3 kg
Approx. Total Weight 20 kg
Product Dimension Ø 212 (D) x 540 (H) mm
Case Dimension 660 (L) x 450 (W) x 310 (H) mm

Standard

Test Procedure

Air Entrainment Meter for Concrete (8 Litres) NL 4023 X / 002 & 003

  1. Concrete Sample Preparation: Prepare fresh concrete sampling according to the desired mix design and specifications.
  2. Equipment Setup: Make sure to set up the Air Entrainment Meter according to the manufacturer’s instructions.
  3. Fill & Seal Container: Place the 7-litre capacity container of the Air Entrainment Meter on a stable surface. Carefully fill the container with the prepared concrete sample, ensuring it is level and free of air pockets. Securely seal it to prevent any air from escaping during testing. This may involve placing a lid or cover over the container and ensuring it is tightly secured in place.
  4. Apply Pressure Changes: Use the Air Entrainment Meter to subject the concrete sample to a series of pressure changes. This typically involves applying a vacuum to the sample and then releasing the vacuum in a controlled manner. The pressure changes help to release any entrapped air bubbles from the concrete. 
  5. Measure Air Content: The air released from the concrete sample will, it rises to the top of the container. Utilise the equipment’s measuring gauge or scale to quantify the volume of air released. This measurement is typically expressed as a percentage of the total volume of the concrete sample.
  6. Record Results: Make sure to document the measured air content, noting the date and time of testing, details about the concrete mix used, and any specific conditions during testing. This record helps maintain a thorough history of the test and provides valuable information for analysis and comparison
  7. Repeat if Necessary: Repeat the procedure with additional concrete samples to ensure consistency and accurate findings. Only repeat if required by specific testing standards. 
  8. Interpret Results: Measured air content should be analyse in order to verify whether its in acceptable range for specific projects or specifications. Adjustment is necessary if measured air content doesn’t align with desired target. 
  9. Report Findings: A report summarising the test procedure, results and any relevant observations. This report may be used for making sure everything meets quality standards. 

Air Entrainment Meter for Concrete (7 Litres) NL 4023 X / 004

  1. Concrete Sample Preparation: Prepare fresh concrete sampling according to the desired mix design and specifications.
  2. Equipment Setup: Make sure to set up the Air Entrainment Meter according to the manufacturer’s instructions.
  3. Fill & Seal Container: Place the 7-litre capacity container of the Air Entrainment Meter on a stable surface. Carefully fill the container with the prepared concrete sample, ensuring it is level and free of air pockets. Securely seal it to prevent any air from escaping during testing. This may involve placing a lid or cover over the container and ensuring it is tightly secured in place.
  4. Apply Pressure Changes: Use the Air Entrainment Meter to subject the concrete sample to a series of pressure changes. This typically involves applying a vacuum to the sample and then releasing the vacuum in a controlled manner. The pressure changes help to release any entrapped air bubbles from the concrete. 
  5. Measure Air Content: The air released from the concrete sample will, it rises to the top of the container. Utilise the equipment’s measuring gauge or scale to quantify the volume of air released. This measurement is typically expressed as a percentage of the total volume of the concrete sample.
  6. Record Results: Make sure to document the measured air content, noting the date and time of testing, details about the concrete mix used, and any specific conditions during testing. This record helps maintain a thorough history of the test and provides valuable information for analysis and comparison
  7. Repeat if Necessary: Repeat the procedure with additional concrete samples to ensure consistency and accurate findings. Only repeat if required by specific testing standards. 
  8. Interpret Results: Measured air content should be analyse in order to verify whether its in acceptable range for specific projects or specifications. Adjustment is necessary if measured air content doesn’t align with desired target. 
  9. Report Findings: A report summarising the test procedure, results and any relevant observations. This report may be used for making sure everything meets quality standards. 

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Contact Information

NL Scientific Global: Advanced material testing solutions for concrete, cement, asphalt, and more. Your trusted partner in construction.
  • +603-3884 6088
  • [email protected]
  • [email protected]
  • 16, Lorong Sungai Puloh 1A/KU 6, Taman Teknologi Gemilang, Kawasan Perindustrian Sungai Puloh, 42100 Klang, Selangor, Malaysia.
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