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Digital hot plate-magnetic stirrer
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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.
- 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.
- 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.
- 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:
- Precision and Control- Digital Interface: Allows accurate setting and monitoring of temperature and stirring speed.- Consistent Results: Ensures reproducibility in experiments and solution preparations.
- 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.
- Safety Features- Overheat Protection: Prevents accidents by automatically shutting off at unsafe temperatures.- Sealed Surface: Reduces risk of contamination and easy to clean.
- Versatility
– Suitable for a wide range of applications including chemical synthesis, biological experiments, and pharmaceutical processes.- Compatible with various types of containers and volumes.
- Compact and User-Friendly- Takes up minimal bench space.- Simple to operate with user-friendly controls and displays.
- Durability- High-quality materials like ceramic or stainless steel tops resist corrosion and wear.
- 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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Related products
Fabric air permeability tester
Fabric Air Permeability Tester
Fabric air permeability tester
- Accurate Breathability Measurement - Precisely measures how breathable a fabric is, essential for comfort and performance.
- Supports Quality Control - Ensures consistent air permeability in fabric batches, critical for products like PPE, sportswear, and filters.
- Enhances Product Design - Helps in selecting or engineering fabrics with the right airflow properties for specific uses.
- Standard Compliance - Conforms to international testing standards (e.g., ASTM D737, ISO 9237), ensuring global credibility.
- Quick and Reliable Testing - Provides rapid results, increasing lab efficiency and production decision-making speed.
- Wide Material Compatibility - Suitable for woven, nonwoven, knitted fabrics, and even paper or coated materials.
- Improves Functional Performance - Helps optimize products for ventilation, moisture control, and thermal comfort.
- Reduces Product Failure - Identifies underperforming fabrics early, minimizing risks in high-performance applications.
- Digital Display - Shows air permeability readings clearly in units like L/m²/s or cm³/cm²/s.
- Precise Test Head/Clamp - Provides an airtight seal to prevent air leakage and ensure accurate results.
- Adjustable Pressure Settings - Allows testing under various pressure drops (e.g., 10–2500 Pa), depending on fabric type.
- Automatic Airflow Measurement - Built-in sensors or flow meters capture airflow rate automatically for quick analysis.
- Multiple Test Area Sizes - Interchangeable test plates to match different sample sizes and standard requirements.
- Data Logging and Export - Some models include USB or software connectivity for storing and exporting test results.
- Standard Compliance - Conforms to ASTM D737, ISO 9237, BS 5636, DIN 53887, etc.
- Robust Construction - Built with corrosion-resistant materials and durable components for long-term lab use.
- Low Maintenance - Simple cleaning and calibration process for reliable performance.
- Compact and User-Friendly Design - Ideal for lab benches and easy operation with minimal training.
- Prepare the Sample - Cut the fabric sample to the required size (usually circular, e.g., 20 cm²).
- Mount the Sample - Place the fabric securely in the test clamp or holder, ensuring no wrinkles or gaps.
- Set Test Parameters - Adjust the air pressure drop according to the fabric type or standard (e.g., 100 Pa).
- Start the Test - Turn on the air supply and start the airflow through the fabric.
- Read the Measurement - The digital display will show the air permeability value in the selected units.
- Record the Results - Note the readings or export data if the device supports it.
- Repeat if needed - Test multiple samples or areas for accuracy and average the results.
- Clean and Maintain - After testing, clean the clamp and ensure the device is calibrated regularly.
r 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 
Digital Ink Rubbing Tester
Digital Ink Rubbing Tester
Digital Ink Rubbing Tester
Digital Ink Rubbing Tester
Analog Thickness Gauge
Analog Thickness Gauge
Analog Thickness Gauge
Brand : DUNLIN
Origin : TAIWAN Measuring Range : 0mm ~ 10mm
Accuracy : 0.01mm
Deep Throat Range : 120mm
Dimension : ( 195 × 130 × 25 ) mm
Benefits
High Durability – Since analog thickness gauges do not rely on electronic circuits, they are more durable and resistant to environmental factors such as dust and moisture.
No Power Requirement – These gauges operate mechanically, eliminating the need for batteries or power sources.
Cost-Effective – Analog meters are generally more affordable compared to digital alternatives while still providing precise measurements.
Ease of Use – Simple mechanical operation ensures that even non-technical users can easily measure thickness.
Reliable Performance – Analog thickness gauges provide consistent and accurate readings without the risk of software malfunctions.
Advantages
Immediate Readings – No waiting time for booting or calibration, providing instant measurement results.
Long-Lasting Accuracy – These devices do not suffer from battery drainage or electronic failures, ensuring accuracy over long periods.
Lightweight and Portable – Many analog thickness gauge meters are compact and easy to carry, making them convenient for on-the-go use.
Wide Material Compatibility – Suitable for measuring the thickness of metals, textiles, paper, and various industrial materials.
Minimal Maintenance – Without electronic parts, maintenance requirements are significantly reduced.
Applications
Manufacturing Industry – Used in quality control to ensure material thickness meets specified standards.
Automotive Sector – Helps measure paint and coating thickness on vehicles to ensure uniform application.
Metalworking and Fabrication – Used to measure sheet metal and pipe thickness to maintain precision in production.
Plastic and Rubber Industry – Ensures uniform thickness in plastic sheets, films, and rubber products.
Paper and Textile Industry – Essential for measuring paper thickness in printing industries and fabric thickness in textile production.
Aerospace and Aviation – Used for checking the thickness of coatings and composite materials in aircraft manufacturing.
An Analog Thickness Gauge is a manual instrument used to measure the thickness of materials such as fabric, paper, leather, rubber, and plastic. Unlike digital gauges, it displays readings through a mechanical dial or scale.
Digital Elmendorf tearing tester
Digital Elmendorf Tearing Tester
Digital Elmendorf Tearing Tester
- Accurate Tear Strength Measurement - Provides precise data on tear resistance, critical for quality control and product performance.
- Digital Readout - Easy-to-read display gives instant, reliable results without manual calculations.
- High Reproducibility - Ensures consistent test outcomes due to controlled tearing angle and speed.
- Fast Testing Process - Simple loading and quick test cycle increase lab efficiency.
- Suitable for Various Materials - Tests a wide range of flexible materials like textiles, paper, plastic, and packaging.
- Customizable Range - Use of optional weights extends the test range for low to high tear strength materials.
- Low Sample Waste - Requires small fabric or material samples, reducing waste during testing.
- Standards Compliance - Meets international testing standards (e.g., ASTM D1424, ISO 13937) for credibility and uniformity.
- Precision Sample Clamp - Securely holds samples in place to ensure accurate tear initiation.
- Pre-Cutting Blade - Integrated knife creates a precise initial slit in the sample before tearing.
- User-Friendly Interface - Simple buttons and screen navigation for ease of operation.
- Standard Test Compliance - Compatible with ASTM D1424, ISO 1974, ISO 13937, and other tear strength standards.
- Sturdy Construction - Made with durable materials for long-lasting performance and stable operation.
- Compact Design - Space-efficient footprint ideal for laboratory environments.
- Data Output Options- Some models offer USB or printer connectivity for result documentation.
- Prepare the Sample - Cut the material (fabric, paper, film, etc.) to standard size (typically 100 × 63 mm for textiles) and slit it with the pre-cutter as required.
- Select Pendulum Weight - Choose the appropriate pendulum or add counterweights based on expected tear strength.
- Calibrate the Machine - Set the pendulum to its starting position and zero the display.
- Clamp the Sample - Fix one half of the sample in the stationary clamp and the other in the moving clamp.
- Cut the Initial Slit - Use the integrated blade to make a precise cut at the marked slit area (usually 20 mm).
- Release the Pendulum - Trigger the pendulum to swing and tear the sample through the pre-slit.
- Read the Result - The digital display will show the tearing force automatically (in g, mN, or cN).
- Record or Export Data - Save or print the result if your model supports USB or printer connection.
- Reset for Next Test - Reposition the pendulum and prepare a new sample for the next cycle.
Scope of application
It is used for the determination of the tear resistance of various woven
fabrics (Elmendorf method), and it can also be used for the determination
of the tear resistance of thick paper, plastic sheeting, electrical tape, etc.
Related standards
GB/T 3917.1 FZ/T60006 FZ/T75001 ISO1974/9290 ASTM D1424/5734
etc.
Instrument characteristics
1. Maximum 300N test range
2. Microcomputer control, digital decoding, support online
communication
3. Color touch screen control, Chinese and English menu operation
interface
4. Pneumatic clamping, automatic cutting
5. A variety of measurement units (cN, gf) selection
6. Fully automatic operation with safe operation protection.
7. Automatically increase potential energy
[Technical parameter]:
1. Test range: first gear: (0～16)N second gear: (0～32)N third gear: (0～
64)N fourth gear: (0～128)N fifth gear: (0～300)N
2. Test accuracy: ≤±0.2%F·S
3. Tearing length: 43mm (non-standard 30-60mm can be set)
4. Automatic incision length: (20±0.2)mm
5. Sample size: (100×63)mm
6. Specimen clamping: pneumatic way
7. Sample test: Up to 10 sets per group on the device side, and 30 sets
of data can be selected to be saved
8. Power supply: AC220V±10% 50Hz 100W
9. Dimensions: (650×660×680)mm
10. Weight: 50kg
[Sample of control interface]:(English version is also available.) 
Rainin Digital Pipette
Rainin Digital Pipette
Digital Pipette
- Digital Volume Setting
- High Accuracy and Precision
- Ergonomic Design
- Easy Calibration and Maintenance
- Durable and Chemically Resistant - Built with high-quality materials that resist damage from chemicals and frequent use.
- Models and Volume Ranges - Available in single-channel and multi-channel versions.
- LTS (LiteTouch System) - Many Rainin pipettes use the LTS tip system which reduces tip ejection force and ensures a consistent seal.
- Compliance and Traceability - Some digital models offer data storage or integration with lab information systems for traceability.
- High Accuracy and Precision - Ensures reliable and reproducible results, essential for sensitive experiments.
- Digital Volume Control - Reduces human error with easy and precise volume setting via digital interface.
- Ergonomic Design- Minimizes hand strain and fatigue during prolonged use; ideal for repetitive pipetting tasks.
- LiteTouch System (LTS) - Eases tip attachment and ejection, reducing risk of RSI (Repetitive Strain Injury) and improving comfort.
- Versatile Volume Range - Available in multiple models to handle volumes from microliters to milliliters.
- Durable and Reliable - Built with high-quality materials for long life and resistance to chemicals and frequent use.
- Easy Maintenance and Calibration - Simplified calibration and cleaning ensure long-term performance and compliance.
- Data Integrity and Traceability -Some models store data, supporting audit trails and regulatory compliance.
- Enhanced Productivity - Quick setup, easy operation, and consistent performance speed up lab workflows.
- Digital Volume Adjustment - Precise and easy-to-read digital display for accurate volume setting.
- High Precision and Accuracy- Delivers consistent results, meeting ISO and GLP/GMP standards.
- Ergonomic Design- Lightweight, balanced with low plunger and tip ejection force to reduce fatigue.
- LiteTouch Tip Ejection System (LTS) - Reduces tip attachment/ejection force, improving comfort and consistency.
- Durable Construction - Built with high-quality, chemically resistant materials for long-term use.
- Wide Volume Range - Available in multiple models from 0.1 µL to 10 mL.
- Single-Channel and Multi-Channel Options - Suitable for various applications including high-throughput assays.
- Autoclavable Components- Some parts can be autoclaved for sterilization and contamination control.
- Easy Calibration and Maintenance - User-friendly calibration settings with accessible parts for cleaning.
- Optional Electronic Models - Some versions include programmable features, multiple modes (e.g., reverse pipetting), and memory storage.
Perspiration Tester
Perspiration Tester
Perspiration Tester
- Fabric samples are treated with synthetic perspiration solution (acidic or alkaline).
- They are sandwiched with adjacent fabric and placed between glass or acrylic plates.
- The assembly is loaded into the tester and pressed under specific pressure.
- it’s then incubated at 37°C (body temperature) for a fixed time (typically 4 or 16 hours).
- Afterward, color change and staining are evaluated using a gray scale.
- Accurate Sweat Simulation - Mimics real-life effects of acidic and alkaline perspiration on fabrics.
- Improves Product Quality - Ensures textiles retain color and don’t bleed or stain when worn.
- Supports Standard Compliance - Follows ISO and AATCC test standards for global market approval.
- Protects Brand Reputation- Reduces customer complaints due to dye transfer or fading.
- Simple and Repeatable- Provides consistent pressure and conditions for reliable results.
- Multi-Sample Testing- Tests multiple specimens at once, saving time in labs.
- Durable and Low Maintenance- Robust frame with minimal moving parts makes it long-lasting and easy to care for.
- Stainless Steel Frame - Corrosion-resistant body for durability and long-term use.
- Multi-Sample Capacity - Can hold up to 20 or more specimens for batch testing.
- Standardized Loading Weight- Applies uniform pressure (usually 12.5 kPa) across all samples.
- Removable Plates - Glass or acrylic plates ensure even contact and easy cleaning.
- Compact Design- Space-saving, bench-top model ideal for lab environments.
- Complies with Test Standards - Meets ISO 105 E04, AATCC 15, and related perspiration fastness standards.
- Ease of Operation - Simple loading, unloading, and incubation process.
- High-Temperature Resistance - Can be used inside incubators at 37°C or ovens as required.
- Prepare the Test Solution - Mix artificial acidic or alkaline perspiration as per standard (ISO or AATCC).
- Cut the Fabric Samples - Cut both the test fabric and adjacent white fabric (usually cotton) to standard size.
- Soak the Samples - Immerse the fabric sandwich (test + adjacent) in the test solution for 30 minutes.
- Remove Excess Liquid - Gently squeeze or blot to remove extra moisture—do not dry.
- Load in the Tester- Place each sandwich between glass or acrylic separator plates in the tester.
- Apply Pressure - Tighten the top plate or place the standard weight on top to apply uniform pressure.
- Incubate - Keep the loaded tester in an oven or incubator at 37°C for 4–16 hours (depending on the method).
- Accurate Sweat Simulation - Mimics real-life effects of acidic and alkaline perspiration on fabrics.
- Improves Product Quality - Ensures textiles retain color and don’t bleed or stain when worn.
- Supports Standard Compliance - Follows ISO and AATCC test standards for global market approval.
- Protects Brand Reputation- Reduces customer complaints due to dye transfer or fading.
- Simple and Repeatable- Provides consistent pressure and conditions for reliable results.
- Multi-Sample Testing- Tests multiple specimens at once, saving time in labs.
- Durable and Low Maintenance- Robust frame with minimal moving parts makes it long-lasting and easy to care for.
- Dry and Evaluate - Remove, air dry the samples, then assess color change and staining using a gray scale.
- Fabric samples are treated with synthetic perspiration solution (acidic or alkaline).
- They are sandwiched with adjacent fabric and placed between glass or acrylic plates.
- The assembly is loaded into the tester and pressed under specific pressure.
- it’s then incubated at 37°C (body temperature) for a fixed time (typically 4 or 16 hours).
- Afterward, color change and staining are evaluated using a gray scale.
Perspiration Tester
Color fastness to washing machine
COLOR FASTNESS TO WASHING MACHINE
COLOR FASTNESS TO WASH MACHINE
- Drying: - After washing, the sample is dried, typically air-dried or tumble-dried.4. Evaluation: - Color change and staining on adjacent fabrics are assessed using a gray scale (1 to 5 scale; 5 = no change, 1 = severe change). - Results may also be evaluated visually under standard lighting.
- Supports Brand Reputation - Reliable color fastness contributes to a premium product image and consistent performance.4. Compliance with Standards - Meets industry requirements (e.g., ISO, AATCC), crucial for export, certifications, and regulatory compliance.
- Improves Process Control- Helps identify dyeing or finishing process issues early, leading to better production control.6. Reduces Rework and Waste - Minimizes production losses due to color defects after washing.
- Essential for Specific End Uses - Critical for items subject to frequent washing (e.g., uniforms, baby clothes, hospital linens).8. Supports Material Selection - Guides textile manufacturers in choosing appropriate dyes and fabrics for specific applications.
- Assessment of Color Change and Staining- Evaluates both the fabric’s color retention and the staining of adjacent fabrics using grey scales (1 to 5 rating).4. Multi-Fiber Fabric Use - Tests include fabric stitched with adjacent test strips (cotton, wool, etc.) to assess color bleeding onto different fibers.
- Multiple Test Options - Includes domestic, accelerated, and industrial washing conditions depending on the end-use of the fabric.6. Temperature and Time Control - Precise control over wash temperature (e.g., 40°C, 60°C) and duration (e.g., 30 mins), simulating specific washing cycles.
- Detergent and Additive Use - Uses standardized detergent formulations with/without optical brighteners, and sometimes alkaline or oxidizing agents.8. Reproducible and Quantifiable - Provides repeatable results that can be objectively measured and documented.
- Applicability to All Textile Types - Suitable for dyed, printed, or coated fabrics across various fibers (cotton, polyester, blends, etc.).
- Rate of temperature rise: Maximum speed for 2ºC/min 7. Internal materials: Imported Stainless Steel 316L 8. Control panel: Touch screen
- Rack point control function helps to replace containers easily 10. Safety device: Safety door switch, over-temperature protector and dry heating protector 11. Heating media: Distilled water 12. Power supply: AC220V 50Hz 30A
Bursting strength tester
Bursting strength tester
true burst
- Available with automatic test strip feeder Measurements are simple to make with the Mullen type Bursting Strength Tester. Fast automatic measurements Measurement starts automatically once a test piece has been placed in the measuring gap. The clamping foot descends, and a bursting strength measurement is made.
- Bursting pressure can reach up to 1.2MPa 5. The maximum burst and expansion degree can reach 70mm. 6. Strengthen the lighting system on the test surface. 7. The main aerodynamic force helps to clamp the sample system. 8. A variety of test areas are available, and the switching is easy.
- A variety of unit conversions between Chinese and English. 10. Reliable anti-pinch safety protection design. [Technical parameter]: 1. Test range: (0～1)Mpa (the range above 1Mpa needs to be customized) 2. The minimum graduation value: 0.0001Mpa 3. Pressurization mode: direct pressurization, timing pressurization, and expansion degree pressurization.
