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Fully Automatic Blaine Air Permeability with 2 Nos. U-Tube glass manometer VSLIC-C102

short info

The Vertex Fully Automatic Blaine Air Permeability Apparatus perform the test for determining the fineness of cements, limes and similar powders expressed in terms of their specific surface according to the above testing standards. The fineness of cement can be automatically measured as specific surface by observing the time taken for a fixed quantity of air to flow through a compacted cement bed of specified dimensions and porosity. The method is comparative rather than absolute and therefore a reference sample of known specific surface is required for calibration of the apparatus.

Main Features

  • The test is controlled on the touch screen.
  • Automatic control of the movement of fluid until the upper line
  • Automatic measurement of the air flow time
  • Automatic measurement of temperature during the test
  • Languages  (English, Spanish, Russian, Turkish)

Reference Cement and Reference Calibration Sands should be ordered separately. From NCCBM

Standard

IS:4031 (Part 2), IS 5516, ASTM C204, and EN 196-6, EN 196-6 DIN 1164 ASTM C204 AASHTO T153 BS 4359:2 UNI 7374 NF P15-442 UNE 80106

Model

VSLIC-C102

Origin

Indian

Make/ OEM

VERTEX

Brochure

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  • Description

  • SPECIFICATIONS

  • FEATURES

  • VIDEO
  •  New
    WORKING PRINCIPAL

OVERVIEW

The Fully Automatic Blaine Air Permeability Apparatus is an advanced laboratory instrument designed to determine the fineness of cement and similar powders, expressed as specific surface area (cm²/g). It automates the traditional Blaine method using sensors, digital timers, and software control to ensure precise, repeatable, and user-independent results.

“Fully Automatic Air Permeability apparatus (Blaine type)

Key Components:

  1. Permeability Cell:

    • A precision-machined metal cylinder where the cement sample is packed.

    • Designed to maintain a standard porosity.

    • Comes with a perforated disc and filter paper at the bottom and top.

  2. Automatic Vacuum/Air Flow System:

    • Replaces the manual suction process.

    • Provides controlled and consistent air flow for each test.

  3. Digital Manometer or Pressure Sensors:

    • Measures the pressure drop across the cement bed.

    • More accurate than the visual U-tube manometers in manual models.

  4. Microprocessor/PLC Control Unit:

    • Controls the timing, measurements, and data processing.

    • Starts/stops the air flow and calculates specific surface area automatically.

  5. Touchscreen Display or PC Interface:

    • Allows the user to input parameters, start tests, and view results.

    • Some models come with software for data logging and report generation.

  6. Temperature Sensor (optional):

    • Monitors ambient temperature to ensure it is within required limits for reliable results.

⚙️ Features:

  • Automatic test cycle (filling, timing, calculation, and result display)

  • High accuracy and repeatability

  • User-friendly interface (touchscreen or computer-based software)

  • Built-in calibration and standard test mode

  • Memory for storing multiple test results

  • Compact and low-maintenance design

📊 Measurement Principle:

The apparatus determines how long it takes for a known volume of air to flow through a compacted cement bed. The flow resistance is related to the surface area of the particles: finer particles create more resistance. The system uses this time and pressure data to compute the specific surface area (Blaine value).

Applications:

Variable Flow Type Fully Automatic Blaine Air Permeability (Blaine Type): It is used for determination of fineness of cements, pozzolanas and other powdery materials in terms of specific surface, which is expressed as total surface area in square centimetres per gram of the material under test.

Apparatus Details:

The apparatus comprises following parts and accessories

  1. Standard permeability cell made of brass, 12.5 mm inside diameter with one perforated metal disc and one plunger
  2. A U-Tube glass manometer with rubber coupling for permeability cell, mounted on a wooden stand.
  3. Latex rubber tubing, 20 cm long
  4. 12 Nos filter paper discs, No. 40 whatman
  5. 200 ml Dibutylphthalate liquid
  6. Non perforated disc
  7. Suction Bulb
  8. Rubber coupling

Characteristic:

  1. The testing procedure is simple and quick.
  2. The calculation accuracy of the test results is high.
  3. 800*480mm color touch screen display.
  4. The data export function is available.
  5. The test data is printed in real time, and the historical data is printed again.

 


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SPECIFICATIONS

Parameters:

Item Mark
Warranty 1 year
Brand Name VERTEX
Product name Blaine air permeability apparatus
technical standard ASTM204
Power supply 220V ± 10%
Timing range 0.1 s < T < 500 s
Timing accuracy < 0.1 second
Measurement accuracy ≤ 1%
Hole number of perforated plate: 35 (hole)
Diameter of the inner cavity of the breathable cylinder: Ф 12.7 mm
Height of test material in the inner cavity of the breathable cylinder: 15 mm

Packing List:

Parts Description QTY
body 1unit
Standard Reference Cement to Calibrate the Blaine 1bottle, 28g
Manometer U-Tube made of Glass 2PCS
Cell with Perforated Disc 1set
12.7mm round filter paper 100PCS
Brush 1PC
Spoon 1PC
Plastic funnel 1PC
Plug 2PC
Power line 1PC

 

FEATURES

Electronic Blaine air permeability apparatus with semi-automatic test-cycle, electric suction pump, time registration and measuring section with photoelectric barrier. After the test, automatic display of the time measured. Precision of time displayed: 0.01 second. The apparatus is delivered complete with filter papers (1000 pcs.), oil, light grease, plug, thermometer, brush and funnel.

Power supply: 110-230V 50-60Hz
Dimensions: 170x300x410 mm
Weight: 100 kg APPROX

PRODUCT VIDEO

WORKING PRINCIPALNew

Working Principle (Summary):

  • Measures the time required for a fixed volume of air to flow through a compacted sample of cement.

  • The time is directly related to the surface area of the particles — finer cement will have a higher specific surface and take longer for air to pass.

🔧 Working Procedure (Step-by-Step)

1. Preparation

  • Ensure the instrument is clean and calibrated.

  • Check the desiccator/dry air system if present (air must be moisture-free).

  • Set ambient temperature; room temperature (20–27°C) must be stable.

2. Weigh the Cement Sample

  • Weigh an accurate quantity of cement (usually around 2.8 to 3.2 g) as per the apparatus calibration.

  • The mass is often calculated based on a standard porosity (typically 0.5) and bulk density.

3. Filling the Cell

  • Place the weighed cement into the permeability cell.

  • Compact it uniformly using a plunger or compaction tool (some automatic systems do this electronically).

  • Ensure the level of cement is even and packed to the required porosity.

4. Attach the Cell

  • Fit the cell into the apparatus correctly.

  • Ensure air-tight seals for accurate measurements.

5. Start the Measurement

  • Initiate the test through the control panel or software.

  • The machine will:

    • Apply vacuum or pressure to initiate air flow.

    • Measure the time taken for air to pass between two marks in a manometer or via pressure sensors.

6. Automatic Calculations

blain-air-permeability-test-automatic-1

7. Result Display

  • The final result is shown on the screen or printed.

  • Most systems store the data internally or export to a PC.

8. Cleaning

  • Remove and clean the permeability cell.

  • Ensure no cement dust clogs the orifice or tubes.

🧪 Key Considerations

  • Use fresh, dry cement samples.

  • Maintain constant room temperature and avoid vibrations.

  • Ensure accurate weighing and consistent compaction.

  • Periodic calibration using standard cement samples is recommended.

📘 Standards Referenced:

  • ASTM C204

  • EN 196-6

  • IS 4031 (Part 2) (India)

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