Digital hot plate-magnetic stirrer
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    Digital hot plate-magnetic stirrer
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    Digital hot plate-magnetic stirrer
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    Digital hot plate-magnetic stirrer

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    Digital hot plate-magnetic stirrer

    Digital hot plate-magnetic stirrer

    Digital hot plate-magnetic stirrer

     

    A digital hot plate-magnetic stirrer is a laboratory device that combines two essential functions: heating and stirring. It is widely used in chemistry, biology, and physics laboratories for preparing solutions, mixing chemicals, and conducting experiments that require controlled heating and stirring.

    Model : (DL-300)
    Brand : DUNLIN
    Origin : TAIWAN
    Set-up plate Dimensions : Ø 135 mm
    Motor type : DC Motor
    Speed range : 0-1500 rpm
    Display : 5 Inch LED Display
    Heating temperature range : Room Temp. 0-280°C
    Temperature display : 5 Inch LED Display
    Temperature display accuracy : ±0.1
    Protection class according to DIN EN 60529 : IP42
    Power Supply : 200-240V 3A
    Dimensions ( W x D x H ) : ( 255 x 152 x 80 ) mm

    Key Components of Digital hot plate-magnetic stirrer:

    Hot Plate (Heating Element):

    – Provides a flat surface that heats up electrically.

    – Controlled via a digital interface for setting precise temperatures.

    – Often features over-temperature protection for safety.

    1. Magnetic Stirrer:

    – Uses a rotating magnetic field to spin a magnetic stir bar placed in the liquid.

    – Ensures even mixing of the solution without manual stirring.

    – Speed can be adjusted digitally.

     

    1. Digital Display and Controls:

    – Allows precise setting of temperature and stirring speed.

    – Typically includes an LCD or LED screen.

    – Some models have programmable settings and timers.

     

    1. Temperature Sensors:   – Built-in or external probes (like a PT100 or thermocouple) for accurate temperature control.

     

    Features of Digital hot plate-magnetic stirrer:

    – Temperature Range: Usually ranges from ambient to 300°C or higher.

    – Stirring Speed: Typically ranges from 100 to 1500 RPM.

    Material: The top plate is often made from ceramic, aluminum, or stainless steel to ensure durability and chemical resistance.

     

    Applications Digital hot plate-magnetic stirrer:

    – Dissolving solids in liquids.

    – Heating samples while stirring to ensure uniform temperature distribution.

    – Conducting chemical reactions that need constant stirring and controlled heat.

    – Biological and pharmaceutical sample preparation.

     

     

    Benefits of using a Digital Hot Plate & Magnetic Stirrer in laboratory and industrial settings:

    1. Precision and Control- Digital Interface: Allows accurate setting and monitoring of temperature and stirring speed.- Consistent Results: Ensures reproducibility in experiments and solution preparations.

     

    1. Efficient Mixing and Heating- Uniform Mixing: Magnetic stirring eliminates hotspots and ensures even distribution of solutes.- Simultaneous Operation: Ability to heat and stir at the same time improves efficiency.

     

    1. Safety Features- Overheat Protection: Prevents accidents by automatically shutting off at unsafe temperatures.- Sealed Surface: Reduces risk of contamination and easy to clean.

     

    1. Versatility

    – Suitable for a wide range of applications including chemical synthesis, biological experiments, and pharmaceutical processes.- Compatible with various types of containers and volumes.

     

    1. Compact and User-Friendly- Takes up minimal bench space.- Simple to operate with user-friendly controls and displays.
    2. Durability- High-quality materials like ceramic or stainless steel tops resist corrosion and wear.
    3. Time-Saving Speeds up preparation of solutions and reactions compared to manual stirring and separate heating. Would you like these benefits presented in a slide format or for a product brochure?
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    1. Simple and Repeatable- Provides consistent pressure and conditions for reliable results.
    2. Multi-Sample Testing- Tests multiple specimens at once, saving time in labs.
    3. Durable and Low Maintenance- Robust frame with minimal moving parts makes it long-lasting and easy to care for.
    1. Dry and Evaluate - Remove, air dry the samples, then assess color change and staining using a gray scale.
    2. Fabric samples are treated with synthetic perspiration solution (acidic or alkaline).
    3. They are sandwiched with adjacent fabric and placed between glass or acrylic plates.
    4. The assembly is loaded into the tester and pressed under specific pressure.
    5. it’s then incubated at 37°C (body temperature) for a fixed time (typically 4 or 16 hours).
    6. Afterward, color change and staining are evaluated using a gray scale.
      Perspiration Tester

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    Laboratory mini stenter Dryer
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    Fatigue tester for Elastic fabric

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    Fatigue Tester for Elastic Fabric

    Fatigue tester for Elastic fabric

    Fatigue tester for Elastic fabric

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    2. High-Cycle Capability - Supports up to millions of stretch-relax cycles for long-term fatigue analysis.
    3. Touch Screen Control - 7-inch color display for easy setup, monitoring, and data entry.
    4. Servo Motor Driven - Ensures precise and smooth linear motion during testing.
     
    1. Customizable Speed - Adjustable test speed (e.g., up to 40 cycles per minute) based on test requirements.
    2. Multi-Sample Testing - Some models allow testing multiple specimens simultaneously.
    3. Cycle Counter with Alarm - Built-in counter with programmable stop after preset cycles and auto-alert feature.
     
    1. Durable Construction - Robust metal frame suitable for continuous testing in lab environments.
    2. Standard Compliance - Designed to follow standards like GB/T 37635 for elastic fabric testing.
      How to Use Fatigue Tester for Elastic Fabric:
    1. Prepare the Sample
    - Cut the elastic fabric to the specified size (e.g., 260 mm max length). - Mark the gauge length if needed for measurement after testing.
    1. Mount the Sample - Secure both ends of the fabric in the upper and lower clamps.
    2. Set Test Parameters
    - Enter the desired stretch percentage (e.g., 50%). - Set the number of cycles and speed (e.g., 30 cycles/min). - Adjust dwell time if required (time fabric stays stretched).  
    1. Start the Test - Press start on the touch screen interface. - The machine will cyclically stretch and release the sample.
    2. Monitor Progress - Observe operation or let it run automatically.
    - Machine stops automatically after reaching the set cycles.
    1. Remove and inspect - Take out the fabric and measure elongation, recovery, or visual defects.
    2. Record and Compare Results - Compare with initial measurements or standard performance criteria.
      Fatigue tester for Elastic fabric

      Fatigue tester for Elastic fabric

       
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    Rainin Digital Pipette
    Rainin Digital Pipette

    Rainin Digital Pipette

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     Rainin Digital Pipette

    Rainin Digital Pipette

    Digital Pipette

      Rainin Digital Pipette E4-XLS Electronic Pipette,   The Rainin Digital Pipette is a high-precision liquid handling instrument used in laboratories for accurate and reproducible measurement and transfer of small liquid volumes. Manufactured by Rainin Instruments (a Mettler Toledo company), these pipettes are known for their ergonomic design, reliability, and advanced digital controls.   Features of Rainin Digital Pipette:
    1. Digital Volume Setting
    - Allows for precise and repeatable volume adjustments via a digital display or dial. - Reduces user error compared to manual pipettes.
    1. High Accuracy and Precision
    - Offers minimal variability in volume delivery, making it ideal for sensitive assays and experiments.  
    1. Ergonomic Design
    - Lightweight and comfortable to use over long periods, reducing hand strain (good for repetitive tasks). - Often features a finger hook and low pipetting force.
    1. Easy Calibration and Maintenance
    - Includes software or manual options for calibration. - Designed for easy disassembly and cleaning.
    1. Durable and Chemically Resistant - Built with high-quality materials that resist damage from chemicals and frequent use.
    2. Models and Volume Ranges - Available in single-channel and multi-channel versions.
    Covers a wide volume range from 0.1 µL to 10 mL depending on the model.  
    1. LTS (LiteTouch System) - Many Rainin pipettes use the LTS tip system which reduces tip ejection force and ensures a consistent seal.
    2. Compliance and Traceability - Some digital models offer data storage or integration with lab information systems for traceability.
    Applications - Molecular biology - Microbiology - Clinical diagnostics - Pharmaceutical and chemical research   Benefits of Rainin Digital Pipette:
    1. High Accuracy and Precision - Ensures reliable and reproducible results, essential for sensitive experiments.
    2. Digital Volume Control - Reduces human error with easy and precise volume setting via digital interface.
     
    1. Ergonomic Design- Minimizes hand strain and fatigue during prolonged use; ideal for repetitive pipetting tasks.
    2. LiteTouch System (LTS) - Eases tip attachment and ejection, reducing risk of RSI (Repetitive Strain Injury) and improving comfort.
     
    1. Versatile Volume Range - Available in multiple models to handle volumes from microliters to milliliters.
    2. Durable and Reliable - Built with high-quality materials for long life and resistance to chemicals and frequent use.
     
    1. Easy Maintenance and Calibration - Simplified calibration and cleaning ensure long-term performance and compliance.
    2. Data Integrity and Traceability -Some models store data, supporting audit trails and regulatory compliance.
    3. Enhanced Productivity - Quick setup, easy operation, and consistent performance speed up lab workflows.
      Features of Rainin Digital Pipette:
    1. Digital Volume Adjustment - Precise and easy-to-read digital display for accurate volume setting.
    2. High Precision and Accuracy- Delivers consistent results, meeting ISO and GLP/GMP standards.
    3. Ergonomic Design- Lightweight, balanced with low plunger and tip ejection force to reduce fatigue.
     
    1. LiteTouch Tip Ejection System (LTS) - Reduces tip attachment/ejection force, improving comfort and consistency.
    2. Durable Construction - Built with high-quality, chemically resistant materials for long-term use.
    3. Wide Volume Range - Available in multiple models from 0.1 µL to 10 mL.
    4. Single-Channel and Multi-Channel Options - Suitable for various applications including high-throughput assays.
    5. Autoclavable Components- Some parts can be autoclaved for sterilization and contamination control.
     
    1. Easy Calibration and Maintenance - User-friendly calibration settings with accessible parts for cleaning.
    2. Optional Electronic Models - Some versions include programmable features, multiple modes (e.g., reverse pipetting), and memory storage.
    Rainin Digital Pipette dealer In Bangladesh, Digital Pipette Importer in Bangladesh, Digital Pipette in Bangladesh, Digital Pipette Machine in Bd, Digital Pipette In Uttara, Digital Pipette Price in Bangladesh, Digital Pipette Supplier in Bangladesh, Digital Pipette in Bangladesh,  
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    Fabric air permeability tester

    Fabric air permeability tester

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    Fabric Air Permeability Tester
    Fabric air permeability tester

    Fabric air permeability tester

      Fabric Air Permeability Tester is a lab instrument used to measure how easily air passes through a fabric. It quantifies the air permeability, which is crucial for evaluating breathability, comfort, and functional performance in textiles. Purpose Fabric Air Permeability Tester: It determines the rate of airflow through a fabric sample under a set air pressure, typically reported in units like cm³/cm²/s or L/m²/s. Working Principle: The tester creates a pressure difference across the fabric sample and measures the volume of air flowing through it. Higher air permeability means the fabric is more breathable. Main Components of Fabric Air Permeability Tester: - Test Head / Clamp: Holds the fabric securely without leakage. - Pressure Regulator: Maintains a constant air pressure during testing. - Flow Meter or Digital Sensor: Measures the actual airflow rate through the fabric. - Display Unit: Shows readings of air permeability instantly.   Applications of Fabric Air Permeability Tester: - Performance textiles (sportswear, PPE) - Technical fabrics (filters, tents, airbags) - Medical textiles (masks, gowns) - Nonwovens and industrial materials   Benefits of Fabric Air Permeability Tester:
    1. Accurate Breathability Measurement - Precisely measures how breathable a fabric is, essential for comfort and performance.
    2. Supports Quality Control - Ensures consistent air permeability in fabric batches, critical for products like PPE, sportswear, and filters.
     
    1. Enhances Product Design - Helps in selecting or engineering fabrics with the right airflow properties for specific uses.
    2. Standard Compliance - Conforms to international testing standards (e.g., ASTM D737, ISO 9237), ensuring global credibility.
    3. Quick and Reliable Testing - Provides rapid results, increasing lab efficiency and production decision-making speed.
     
    1. Wide Material Compatibility - Suitable for woven, nonwoven, knitted fabrics, and even paper or coated materials.
    2. Improves Functional Performance - Helps optimize products for ventilation, moisture control, and thermal comfort.
    3. Reduces Product Failure - Identifies underperforming fabrics early, minimizing risks in high-performance applications.
    Features of Fabric Air Permeability Tester:
    1. Digital Display - Shows air permeability readings clearly in units like L/m²/s or cm³/cm²/s.
    2. Precise Test Head/Clamp - Provides an airtight seal to prevent air leakage and ensure accurate results.
    3. Adjustable Pressure Settings - Allows testing under various pressure drops (e.g., 10–2500 Pa), depending on fabric type.
     
    1. Automatic Airflow Measurement - Built-in sensors or flow meters capture airflow rate automatically for quick analysis.
    2. Multiple Test Area Sizes - Interchangeable test plates to match different sample sizes and standard requirements.
    3. Data Logging and Export - Some models include USB or software connectivity for storing and exporting test results.
     
    1. Standard Compliance - Conforms to ASTM D737, ISO 9237, BS 5636, DIN 53887, etc.
    2. Robust Construction - Built with corrosion-resistant materials and durable components for long-term lab use.
    3. Low Maintenance - Simple cleaning and calibration process for reliable performance.
    4. Compact and User-Friendly Design - Ideal for lab benches and easy operation with minimal training.
    How to Use Fabric Air Permeability Tester:
    1. Prepare the Sample - Cut the fabric sample to the required size (usually circular, e.g., 20 cm²).
    2. Mount the Sample - Place the fabric securely in the test clamp or holder, ensuring no wrinkles or gaps.
    3. Set Test Parameters - Adjust the air pressure drop according to the fabric type or standard (e.g., 100 Pa).
     
    1. Start the Test - Turn on the air supply and start the airflow through the fabric.
    2. Read the Measurement - The digital display will show the air permeability value in the selected units.
    3. Record the Results - Note the readings or export data if the device supports it.
    4. Repeat if needed - Test multiple samples or areas for accuracy and average the results.
    5. Clean and Maintain - After testing, clean the clamp and ensure the device is calibrated regularly.
      Tip: Ensure the test environment maintains standard temperature and humidity for consistent results.   Fabric Air Permeability Tester Appliance Range It is used to TEST the air permeability of various textile fabrics, including industrial fabrics, nonwoven fabrics and other textile products and other breathable materials. Related Standards GB / T 5453, GB / T 13764, ISO 9237, ISO 5636, ASTM D737, etc. Instrument characteristics 1. Automatic sample clamping, automatic nozzle replacement, and quick test. 2. Microcomputer processing, the test results are displayed directly, without manual table calculation; 3. Built-in continuous test mode, the test unit can be switched as needed. 4. Chinese LCD menu operation, configure computer interface. Technical parameter 1. Range of sample pressure difference: 1 ～ 4000Pa 2. Measurable air permeability: 1 ～ 40,000mm / s 3. Measurement error: ≤ ± 2% 4. Measurable fabric thickness: ≤8mm 5. Test area: 5cm2; 20cm2; 50cm2; 100cm2 Ф50mm (≈19.6cm2) Ф70mm (≈38.5cm2) 6. Nozzles: 11 in total (automatic replacement of digital setting) CODE 00 01 02 03 04 05 06 07 08 09 10 DIAφ（mm） 0.8 1.2 2 3 4 6 8 10 12 16 20 7.Data Capacity:≤200 times tests 8.Power Supply：AC220V 50Hz 2KW 9.Weight：80Kg 10.Shape：1250×700×1250mm
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