Perspiration Tester
Perspiration Tester
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    Perspiration Tester
    Perspiration Tester
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    Perspiration Tester

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    Perspiration Tester

    Perspiration Tester

    Perspiration Tester

     

    A Perspiration Tester is a lab device used to evaluate the colorfastness of textiles to artificial perspiration (sweat). It simulates the effects of human sweat—both acidic and alkaline—on dyed or printed fabrics under controlled temperature and pressure.

     

    Purpose of Perspiration Tester:

    – To test how fabrics react to body sweat and determine whether dyes bleed, fade, or transfer onto adjacent materials.

     

    Working Principle:

    1. Fabric samples are treated with synthetic perspiration solution (acidic or alkaline).
    2. They are sandwiched with adjacent fabric and placed between glass or acrylic plates.
    3. The assembly is loaded into the tester and pressed under specific pressure.
    4. it’s then incubated at 37°C (body temperature) for a fixed time (typically 4 or 16 hours).
    5. Afterward, color change and staining are evaluated using a gray scale.

     

    Applications of Perspiration Tester:

    – Garment and sportswear testing

    – Quality control in textile processing

    – Compliance with standards like ISO 105 E04, AATCC 15

     

    Benefits of Perspiration Tester:

    1. Accurate Sweat Simulation – Mimics real-life effects of acidic and alkaline perspiration on fabrics.
    2. Improves Product Quality – Ensures textiles retain color and don’t bleed or stain when worn.
    3. Supports Standard Compliance – Follows ISO and AATCC test standards for global market approval.
    4. Protects Brand Reputation- Reduces customer complaints due to dye transfer or fading.

     

    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.

     

    Features of Perspiration Tester:

    1. Stainless Steel Frame – Corrosion-resistant body for durability and long-term use.
    2. Multi-Sample Capacity – Can hold up to 20 or more specimens for batch testing.
    3. Standardized Loading Weight- Applies uniform pressure (usually 12.5 kPa) across all samples.
    4. Removable Plates – Glass or acrylic plates ensure even contact and easy cleaning.

     

    1. Compact Design- Space-saving, bench-top model ideal for lab environments.
    2. Complies with Test Standards – Meets ISO 105 E04, AATCC 15, and related perspiration fastness standards.
    3. Ease of Operation – Simple loading, unloading, and incubation process.
    4. High-Temperature Resistance – Can be used inside incubators at 37°C or ovens as required.

     

    How to Use a Perspiration Tester:

    1. Prepare the Test Solution – Mix artificial acidic or alkaline perspiration as per standard (ISO or AATCC).
    2. Cut the Fabric Samples – Cut both the test fabric and adjacent white fabric (usually cotton) to standard size.
    3. Soak the Samples – Immerse the fabric sandwich (test + adjacent) in the test solution for 30 minutes.
    4. Remove Excess Liquid – Gently squeeze or blot to remove extra moisture—do not dry.

     

    1. Load in the Tester- Place each sandwich between glass or acrylic separator plates in the tester.
    2. Apply Pressure – Tighten the top plate or place the standard weight on top to apply uniform pressure.
    3. Incubate – Keep the loaded tester in an oven or incubator at 37°C for 4–16 hours (depending on the method).
    1. Accurate Sweat Simulation – Mimics real-life effects of acidic and alkaline perspiration on fabrics.
    2. Improves Product Quality – Ensures textiles retain color and don’t bleed or stain when worn.
    3. Supports Standard Compliance – Follows ISO and AATCC test standards for global market approval.
    4. Protects Brand Reputation- Reduces customer complaints due to dye transfer or fading.

     

    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

      Perspiration Tester

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    Card Winding Machine

    Card Winding Machine

      A Card Winding Machine is used in textile processing to wind yarn from hanks, bobbins, or cones onto cards or perforated boards, typically for dyeing or sampling purposes. It ensures uniform yarn distribution and tension, crucial for consistent dye penetration.   Purpose Card Winding Machine: To wind yarn onto flat cards or holders for lab dyeing, color matching, or textile sample display.   Applications Card Winding Machine: Yarn dyeing labs R&D and sample development Display or swatch card preparation Yarn shade catalog creation   Working Principle Card Winding Machine: The yarn is drawn from a source (cone or bobbin) and wound evenly onto a card. The machine controls the winding speed, spacing, and tension to avoid tangles or breaks.   Benefits of Card Winding Machine: Uniform Yarn Placement- Ensures even winding for consistent dyeing and presentation. Ideal for Sampling - Perfect for creating lab dye samples, color cards, and swatches. Time-Saving - Automates a manual process, increasing efficiency.   Low Yarn Waste - Allows controlled use of small yarn amounts for trials. Supports Various Yarn Types - Can handle cotton, polyester, blends, and fancy yarns.   Features of Card Winding Machine: Adjustable Winding Tension - Maintains constant tension to prevent yarn breakage. Speed Control - Variable winding speed for different yarn types and applications. Card Size Compatibility - Supports multiple card sizes and formats. Precision Traverse System- Ensures neat layer formation without overlapping. Compact Design - Table-top or stand-mounted; suitable for labs or sample rooms.   How to Use a Card Winding Machine: Prepare the Yarn Source - Place the yarn cone or bobbin on the yarn holder. - Thread the yarn through the tensioner and guide system. Insert the Card - Mount the empty card or board onto the winding platform/clamp securely.   Set Winding Parameters- Adjust winding speed, tension, and traverse width based on yarn type and card size. Start the Machine - Turn on the power and begin winding; monitor the yarn flow and tension. Monitor the Winding - Ensure yarn is winding evenly and smoothly across the card.   Stop the Machine - Once the desired coverage or length is reached, stop the machine. Remove the Card - Carefully take out the wound card and trim any loose yarn ends. Label or Store - Label for testing or sample purposes as needed.   Maintenance Tips for Card Winding Machine: Daily: ☐ Clean yarn guides and tensioners ☐ Wipe down the machine to remove dust or lint ☐ Check for smooth yarn feeding   Weekly: ☐ Lubricate moving parts if required ☐ Inspect tension device and traverse system for wear ☐ Test speed control and motor function   Monthly: ☐ Tighten all screws, knobs, and clamps ☐ Inspect electrical parts and connections ☐ Clean internal components if accessible   Safety Tips: ☐ Keep fingers away from moving yarn and parts during operation ☐ Do not exceed machine speed limits for delicate yarns ☐ Ensure proper grounding of the machine ☐ Always power off before cleaning or adjusting settings ☐ Wear snug clothing to avoid yarn entanglement  
    Product description
    Color Card Winding Machine applies to a number of brass wire, yarn,
    while according to technological requirements on winding type with quantitative,
    bound, for yarn user optional color, contrast and testing purposes.
    It is a professional new product designed to give a variety of sample cards.
    Specification
    Model FH-25
    Color card winding machine
    Voltage 220V 50HZ one phase
    Color White
    Dimensions L1100xW600xH800(mm)
    Paper color card size According to custom-made Piece Within 25 pieces
    Power 15w
    Weight 30kgs
    We could make special type according to the customers request.
    Card Winding Machine

    Card Winding Machine

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    Digital Yarn Twist Tester
    Digital Yarn Twist Tester

    Digital Yarn Twist Tester

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    Digital Yarn Twist Tester

    Digital Yarn Twist Tester

    Digital Yarn Twist Tester

      A Digital Yarn Twist Tester is a laboratory device used to measure the number of twists (turns) per unit length in a yarn. It’s crucial for evaluating yarn quality, strength, elasticity, and uniformity. The digital version offers precise, automated readings for both S-twist and Z-twist yarns.   Purpose Digital Yarn Twist Tester: To determine twist per inch (TPI) or twist per meter (TPM) in single and plied yarns using direct untwist or untwist-retwist methods.   Applications Digital Yarn Twist Tester: Quality control in spinning mills Yarn standard testing (cotton, polyester, blends) R&D in textile manufacturing   Working Principle Digital Yarn Twist Tester: One end of the yarn is clamped, and the other is rotated to remove or measure twists. The tester counts and displays twist digitally based on length and rotation.   Benefits of Digital Yarn Twist Tester: High Accuracy - Digital readout ensures precise twist measurements. Quick Testing - Faster than manual methods, increasing lab efficiency. Versatile Application - Suitable for single, doubled, or plied yarns. Reduces Human Error - Automated counting improves repeatability and consistency.   Supports Both S & Z Twist - Measures both twist directions accurately. User-Friendly Operation - Intuitive controls and clear display simplify use.   Features of Digital Yarn Twist Tester: Digital Display - Shows real-time twist count and length. Motorized Rotation- Smooth, adjustable rotation speed for controlled untwisting. Dual Clamp System - Holds yarn securely to prevent slippage. Length Measurement Scale - Built-in ruler or encoder for precise yarn length setup.   Auto Stop Function - Automatically stops when yarn is fully untwisted. Selectable Units - Twist readings available in TPI or TPM.   How to Use Digital Yarn Twist Tester: Prepare the Yarn Sample - Cut a yarn length (e.g., 250 mm or 10 inches) as per testing standard. - Make sure it’s free from knots or damage. Mount the Yarn   - Fix one end in the stationary clamp and the other in the rotating clamp. - Ensure the yarn is straight and under slight tension.   Set the Gauge Length - Adjust the length scale or input it digitally, depending on the machine. Select Twist Direction - Choose S or Z direction based on the yarn's twist. Start the Test - Activate the motor to untwist (or untwist-retwist, if applicable).   - The display shows the number of rotations. Read the Twist Value  - The twist (TPI/TPM) appears automatically based on the set length.   Stop and Unload - Once reading is complete, stop the machine and remove the yarn. Record the Result - Note the reading for documentation or further analysis.   Maintenance Tips for Digital Yarn Twist Tester: Daily: ☐ Wipe down the machine and clamps to remove dust or fibers ☐ Check for yarn residue on rotating parts ☐ Ensure display and buttons are responsive   Weekly: ☐ Lubricate rotating spindle lightly (if required) ☐ Inspect clamps for wear or misalignment ☐ Test motor rotation for smooth operation ☐ Check twist direction selector switch   Monthly: ☐ Calibrate digital display if twist readings drift ☐ Inspect electrical wiring and connectors ☐ Tighten any loose screws or panel parts     Safety Tips: Avoid Loose Clothing: Prevent getting caught in the rotating spindle Use Proper Yarn Tension: Overstretching may snap the yarn or damage clamps Handle With Care: Avoid rough handling of the digital panel or twist arm Power Off When Not in Use: Prevents accidental operation Follow Manual: Refer to user guide for specific calibration or cleaning procedures   Digital Yarn Twist Tester – Maintenance & Safety Checklist   Daily Maintenance: ☐ Clean clamps and body surface ☐ Remove lint or yarn fragments ☐ Verify display & control buttons function properly   Weekly Maintenance: ☐ Lightly lubricate spindle if required ☐ Inspect clamp alignment and grip ☐ Test motor for smooth, silent operation ☐ Check twist direction switch   Monthly Maintenance: ☐ Calibrate twist reading accuracy ☐ Inspect cables and connectors ☐ Tighten loose hardware ☐ Run full test to ensure system performance   Safety Checklist: ☐ Keep hands clear of rotating parts during testing ☐ Avoid loose clothing or jewelry ☐ Do not overstretch or over tension yarn ☐ Power off when cleaning or not in use ☐ Follow the machine's manual for calibration and service   Basic Troubleshooting Guide – Digital Yarn Twist Tester   Issue: No Power / Display Not Turning On -  Check power cable and socket -  Inspect fuse or main switch -  Ensure emergency stop isn’t engaged   Issue: Twist Count Seems Inaccurate -  Recalibrate the machine -  Verify yarn length input is correct -  Check for slippage in clamps   Issue: Motor Not Rotating -  Ensure motor switch is ON -  Inspect motor connection and wiring -  Test rotation manually to check for blockage   Issue: Display Freezes or Buttons Unresponsive -  Restart the machine -  Check control panel for dust or moisture -  Contact support if issue persists   Issue: Auto-Stop Not Working -  Ensure length and twist direction are set -  Check sensor alignment or damage -  Reboot and re-run test   Scope of application It is used for testing the twist, twist irregularity and twist shrinkage of all kinds of yarns. [Related standards] GB/T2543.1/2 FZ/T10001 ISO2061 ASTM D1422 JIS L1095 etc.   Technical parameters 1. Work mode:Computer program control, data processing, printout results 2. Test methods: A, Average twisting slip elongation B, Average maximum twisting elongation. C, Direct counting method D, twisting twisting A method E, Twisting twisting B method f and three times twisting twisting method 3. Sample length:10、25、50、100、200、250、500mm 4. Twist test range:1~1998 twist /10cm, 1~1998 twist /m 5. The extent of twist removal:Maximum 50mm 6. Maximum twist measurement.20mm 7. Speed:600～3000r/min 8. Pre tension:0.5～171.5cN
    Digital Yarn Twist Tester

    Digital Yarn Twist Tester

    9. Size:920×170×220mm 10. Power supply:Ac220V 50Hz 25W 11. Weight:16kg
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    digital-precision-balance

    Digital precision balance

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    digital precision balance

    digital-precision-balance

    2/3/4/5 Digit Digital precision Balance

    digital precision balance is a weight balance machine. It’s used to Low capacity balance. digital precision balance  play an important role to accurate measurement. Digital precision balance is used to check weight paper, jewelry etc. It shows accurate result. We have the best collection of digital precision balance. MAAM TEX IS the best supplier of Precision Balance in Bangladesh
    A Digital Precision Balance is a high-accuracy electronic weighing device used in laboratories, industries, and educational institutions for measuring mass with a high degree of precision. It is essential for tasks that require meticulous weight measurements, such as chemical analysis, formulation, and quality control. Key Features:
    1. High Accuracy & Precision: - Typically offers readability from 0.1 g to 0.001 g (or even finer). - Ideal for weighing small amounts of material where accuracy is crucial.
    2. Digital Display: - Large, backlit LCD or LED display for easy reading. - Some models include touch screen interfaces.
    3. Tarring Function: - Allows you to subtract the weight of a container or packaging to get the net weight.
    4. Calibration: - Internal or external calibration to maintain accuracy over time. - Some advanced models have auto-calibration features.
    5. Weighing Units: - Supports multiple units like grams (g), milligrams (mg), carats (ct), and ounces (oz). Stable Platform:   - Includes a draft shield to protect against air currents and vibrations, which can affect measurement accuracy.
    Common Applications:- Laboratory Analysis: Precise measurement of chemicals and reagents.- Pharmaceuticals: Formulation and quality control.- Jewelry: Accurate measurement of precious metals and stones.- Education: Scientific experiments in schools and universities. Benefits:- Reliable and Consistent Measurements- User-Friendly Operation- Compact Design with Minimal Footprint- Improved Workflow Efficiency- Enhanced Data Handling (USB or RS232 ports for data transfer in advanced models) Benefits of digital precision balance Here are the key benefits of using a Digital Precision Balance:
    1. High Accuracy and Precision- Delivers extremely accurate weight measurements, often down to 0.001 g or better.- Crucial for experiments and applications where even slight variations can affect outcomes.
     
    1. User-Friendly Interface- Digital display makes readings easy to read and interpret.- Most models include intuitive controls for functions like tarring, unit conversion, and calibration.3. Speed and Efficiency- Provides instant, stable readings, saving time compared to manual or mechanical balances.- Streamlines lab workflows and enhances productivity.
    2. Versatile Applications- Suitable for various fields including chemistry, biology, pharmacology, food testing, and gemology.- Can handle diverse weighing tasks from solids to liquids and powders.
    3. Advanced Features- Tare Function: Subtracts the weight of containers automatically.- Multiple Weighing Units: Supports various measurement units.- Data Connectivity: Many models allow connection to computers or printers for data logging.
    4. Portability and Space Efficiency- Compact design fits easily in most laboratory setups.- Lightweight models are easy to move and store.
    5. Enhanced Safety and Reliability- Stable platform and draft shields reduce environmental interference.- Built-in calibration ensures ongoing accuracy.
    Here’s a step-by-step guide on how to use a Digital Precision Balance safely and accurately: 1. Set Up the Balance- Place the balance on a stable, vibration-free, and level surface.- Avoid placing near fans, windows, or air vents to prevent air drafts.- Allow the balance to warm up (usually 15–30 minutes) if it has just been turned on. ⚙️ 2. Calibrate the Balance - If it’s manual calibration, use certified calibration weights. - For auto-calibration models, follow on-screen instructions. - Calibration ensures accuracy in measurements. ⚖️ 3. Tare the Balance - Place the container or weighing paper on the balance. - Press the “Tare” or “Zero” button to set the display to zero. This subtracts the container’s weight. 4. Weigh the Sample - Carefully add the sample into the container. - Wait for the reading to stabilize (usually indicated by a stable icon or beep). - Read the weight from the digital display. 5. Repeat or Change Units (if needed) - You can press the unit button to switch between grams, milligrams, ounces, etc., depending on your needs.   6. Clean After Use - Remove any spilled substances. - Wipe the surface with a soft, lint-free cloth. Do not use harsh chemicals unless specified by the manufacturer. ⚠️ Tips for Best Use: - Avoid touching the container with bare hands (use tweezers or gloves to avoid adding extra weight from oils or moisture).- Use a draft shield if available to minimize airflow interference.- Do not overload the balance beyond its maximum capacity—it can damage the sensors.
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