Products
Martindale abrasion tester Updated
0%
Digital Temperature Humidity Meter
$0.00
Digital Temperature Humidity Meter
Digital Temperature Humidity Meter
A Digital Temperature Humidity Meter, also known as a digital hygrometer, is an electronic device used to measure and display the relative humidity (RH) of the air, often along with temperature. It’s commonly used in laboratories, industrial settings, storage areas, and homes to monitor moisture levels.
Key Features of Digital Temperature Humidity Meter:
– Digital Display: Shows humidity (in % RH) and often temperature (in °C/°F).
– Sensor-Based Measurement: Uses capacitive or resistive sensors for accurate readings.
– Compact & Portable: Available in handheld or wall-mountable forms.
– Data Logging (in some models): Records humidity levels over time for analysis.
– Min/Max Readings: Displays historical high and low humidity values.
Common Applications of Digital Temperature Humidity Meter:
– Laboratories: Maintaining stable humidity for experiments or sample storage.
– Warehouses: Monitoring conditions for sensitive goods (e.g., electronics, paper, pharmaceuticals).
– HVAC Systems: Ensuring proper climate control.
– Homes: Preventing mold growth or overly dry conditions.
Benefits of Digital Temperature Humidity Meter:
– Accurate and quick readings
– Easy to use and read
– Helps in maintaining comfort, safety, and product integrity
Would you like recommendations for models or guidance on calibration?
Benefits of Digital Humidity meter
Here are the key benefits of using a Digital Humidity Meter:
✅ 1. Accurate Humidity Monitoring
– Provides precise relative humidity (%RH) readings, essential for sensitive environments.
✅ 2. Fast and Real-Time Results
– Displays immediate data, allowing for quick adjustments to environmental conditions.
✅ 3. Dual Measurement
– Many models also measure temperature, offering a more complete picture of ambient conditions.
✅ 4. Easy to Use
– Simple digital interface with clear display, suitable for both professionals and non-technical users.
✅ 5. Compact and Portable
– Lightweight design makes it ideal for field use, indoor monitoring, or mounting on walls.
✅ 6. Prevents Damage
– Helps avoid moisture-related issues like mold, corrosion, static buildup, and product degradation.
✅ 7. Supports Quality Control
– Essential for labs, warehouses, and manufacturing environments to maintain product integrity.
✅ 8. Data Logging (Optional)
How to use Digital Humidity meter
Here are the key features of a Digital Humidity Meter:
1. Digital Display
– Shows real-time humidity (%) and often temperature (°C/°F).
– Some include backlit screens for easy viewing.
2. High Accuracy Sensors
– Uses capacitive or resistive sensors for accurate and stable humidity readings.
3. Min/Max & Hold Functions
– Displays minimum, maximum, and current readings.
– “Hold” function freezes the current reading for review.
4. Data Logging (in advanced models)
– Records humidity data over time for monitoring trends.
5. Portable or Wall-Mountable
– Available as handheld, desktop, or wall-mounted units for different environments.
6. Battery or USB Powered
– Operates on standard batteries or via USB power for flexibility.
7. Optional External Probes
– Some models support external humidity/temperature sensors for remote monitoring.
8. Calibration Option
– Allows manual or automatic calibration to maintain accuracy.
Here’s a quick step-by-step guide on how to use a Digital Temperature Humidity Meter:
✅ 1. Power On the Device
– Insert batteries (if portable) or plug it in (if wall-mounted).
– Press the power button to turn it on.
✅ 2. Place It Properly
– Set the meter in an open, well-ventilated area.
– Avoid placing near windows, vents, or direct heat sources for accurate readings.
✅ 3. Wait for Stabilization
– Allow the device a few seconds to stabilize and show accurate humidity and temperature readings.
✅ 4. Read the Display
– Humidity will be shown as % RH (Relative Humidity).
– Most models also display temperature in °C or °F.
✅ 5. Use Additional Features (if available)
– Press buttons to view Min/Max, Data Log, or switch units.
– Some advanced models may have Bluetooth or USB for data transfer.
✅ 6. Maintain the Device
– Clean sensor area gently if dusty.
– Calibrate periodically if required (check manual).
Description
Shipping & Delivery
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 
Fastness Rotary Friction Tester
Fastness Rotary Friction Tester
Fastness Rotary Friction Tester
- Accurate Colorfastness Evaluation- Provides precise assessment of how well fabric resists color loss and staining from rubbing.
- Simulates Real-World Wear - Recreates rotational friction found in actual use (e.g., seat covers, apparel wear points).
- Supports Wet & Dry Testing - Can test under both dry and wet conditions for comprehensive results.
- Standardized Testing - Complies with global standards (AATCC 116, ISO 105 X16), ensuring reliable and comparable results.
- Time-Saving & Efficient - Quick to set up and run, allowing for high-throughput testing in labs.
- Versatile Use- Suitable for textiles, leather, coated fabrics, and printed surfaces.
- Improves Quality Control - Identifies potential durability issues early in the production process.
- Enhances Product Performance - Helps in developing fabrics with better resistance to rubbing and abrasion.
- Rotary Rubbing Mechanism - Simulates 1.125 clockwise and 1.125 counterclockwise turns for realistic friction.
- Standardized Rubbing Head - Fixed diameter (typically 16 mm) with specified pressure (≈1134 g) for consistent results.
- Dry and Wet Testing Capability - Can perform tests using dry or wet rubbing cloths.
- Sample Holder- Secure and easy-to-use fixture for holding fabric samples in place.
- Test Cloth Mounting Arm- Quick attachment for standardized white rubbing cloths.
- Simple Operation - Manual or motorized operation depending on model; easy to handle for lab technicians.
- Compliance with Standards - Follows AATCC 116, ISO 105 X16, and SATRA TM8 protocols.
- Prepare the Sample - Cut a fabric piece (typically 60 × 60 mm) and condition it per standard requirements.
- Mount the Fabric - Secure the fabric sample on the sample holder or base plate of the tester.
- Attach Rubbing Cloth - Place a standard white test cloth (dry or wetted as required) over the rubbing head.
- Apply Pressure - Lower the rubbing head onto the fabric. Standard weight is about 1134 g.
- Start the Test - Operate the tester: the head performs 1.125 turns clockwise, then 1.125 turns counterclockwise.- Number of cycles (typically 10 or 20) is set based on the test standard.
- Remove and Inspect - After testing, remove the rubbing cloth and assess any color transfer using a gray scale.
- Evaluate Fabric Surface - Check the fabric for visible changes, fading, or wear.
- Record Results - Grade both staining and fabric change per standard gray scale ratings.
It is used to change the color fastness of the textile,
printing and dyeing, printing and other products after a specific track friction.
[Related standards]
GB / T29865 AATCC116 ISO105-X16, etc.
[Instrument characteristics]:
1.Single-chip control, speed can be set freely
2.Imported motor, linear guide, low noise, suitable for long time work
3. Liquid crystal display, film panel
4. Freely set the number of friction, can count up and down,
and automatically stop the alarm when the set value is reached
[Technical Parameters]:
1. Friction head diameter: 16mm 25mm
2. Vertical pressure: 11.1N
3. Working mode: 405 ° clockwise and 405 ° counterclockwise
4. Speed range: constant 60 rpm, LCD display, thin mold panel
5. Counting range: 0-99999 times
6. Power supply: AC 220V 50Hz 80W
7. Weight: 20KG
8. Volume: L420mm × W260mm × H430mm 
IR Dyeing Machine Dunlin
IR Dyeing Machine Dunlin
IR Dyeing machine Dunlin is Safe, high efficiency, environment friendly, energy saving, optimum for new dyeing small sample machines
0 - 3.5 ℃ / min Cooling rate 0.2 - 5 ℃ / min Cooling method Air-cooled Rotation speed 0 - 60 rpm Liquor ratio 1:5 -1:100 Power supply 1∮AC 220V 50/60HZ Dimensions( L x W x H) 670×670×780mm 860×680×780mm Weight 100kg 120kg Standard Accessories Cups 1set
Put the test sample. Cups stand 1set Place where to put cups. Protective glove 1set To avoid to be hurt by HT cups. Model: IF-24SCapacity: 24 pots Brad: DUNLIN Origin: China
Color dyeing tests for various dyestuffs of IR Dyeing machine Dunlin- Step dyeing tests. C. Dispersing, levelling and impregnating test. D. High or low liquor ratio exhausting tests. E. Fabric steak and staining tests. F. Concentration tests and others. Protection and Safety gates to protect. Temperature control accuracy +/- 0.2degree
IR Dyeing machine
Laboratory mini stenter Dryer
Laboratory mini stenter Dryer
Automatic fixing Dryer
- Controlled Heating System
- Adjustable Fabric Width
- Variable Speed Conveyor - Allows control over fabric dwell time for drying or heat-setting.
- Compact and Bench-Top Design - Space-saving design ideal for textile labs and R&D units.
- Digital Controls - Easy-to-use digital interface for setting temperature, conveyor speed, and process time.
- Transparent Viewing Window - Allows operators to monitor fabric movement and drying visually.
- Low Energy Consumption - Designed for lab use, consuming less power than industrial models.
- Accurate Simulation of Production - Mimics industrial stenter conditions on a lab scale, ideal for pre-production testing and R&D.
- Cost-Effective Testing - Enables testing and fabric finishing without the high cost or space requirements of full-scale machines.
- Energy Efficient - Consumes less power compared to large stenters, making it economical for small-scale or frequent use.
- Precise Control - Offers accurate control of temperature, speed, and fabric tension, ensuring consistent results.
- Space-Saving Design - Compact and bench-top friendly, perfect for laboratories with limited space.
- Multiple Applications - Useful for drying, heat-setting, shrinkage testing, and evaluating chemical finishes.
- Faster Development Cycles - Speeds up new product development by allowing rapid sample testing and adjustments.
- Improved Fabric Quality - Helps optimize finishing parameters for better dimensional stability, hand feel, and appearance.
- Safe and User-Friendly- Designed with lab safety in mind, including temperature safety controls and easy operation.
- Compact Bench-Top Design - Ideal for laboratory use with limited space requirements.
- Adjustable Temperature Control - Precise heating (usually up to 220–250°C) with digital controllers for accurate processing.
- Variable Conveyor Speed- Allows adjustment of fabric dwell time for different drying or heat-setting needs.
- Width Adjustment Mechanism - Equipped with clips or pins to stretch and fix fabric width-wise, simulating industrial stenter conditions.
- Transparent Viewing Window - Enables visual monitoring of fabric movement and drying inside the chamber.
- Digital Display Panel- Easy-to-use interface for setting and monitoring temperature, speed, and time.
- Stainless Steel Construction- Durable and corrosion-resistant for long-term use at high temperatures.
- Uniform Heat Distribution- Ensures consistent fabric treatment across the width.
- Safety Features- Over-temperature protection and insulated body for operator safety.
- Versatile Applications - Suitable for drying, heat-setting, shrinkage testing, and chemical finish evaluations.
Fiber Oil Fast Extractor
Fiber Oil Fast Extractor
Fiber Oil Fast Extractor
- Sample Preparation: Cut the fabric or fiber into small pieces.
- Solvent Addition: Place the sample into a metal tube and add an appropriate solvent (e.g., petroleum ether, ethyl ether).
- Extraction: Apply weight to the sample to facilitate the dissolution of oils into the solvent.
- Evaporation: The solvent-oil mixture drips onto a heated plate where the solvent evaporates, leaving behind the oil.
- Measurement: Weigh the remaining oil and calculate its percentage relative to the initial sample mass.
- Accurate Oil Content Measurement- Precisely determines oil or finish content in fibers, crucial for quality control.
- Rapid Extraction Process - Delivers fast results, improving lab efficiency and productivity.
- Simultaneous Multi-Sample Testing - Multiple workstations (e.g., 4 at once) reduce testing time for bulk samples.
- Improved Product Quality - Helps maintain consistent oil levels, which affect dyeing, processing, and fabric performance.
- Automatic Operation - Automated pressing and heating reduce manual effort and operator error.
- Digital Monitoring - Built-in timer, temperature control, and oil calculator enhance accuracy and usability.
- Compliance with Standards - Supports industry methods like GB/T 6504-2017, ensuring reliable and standard-compliant results.
- Safe Solvent Handling - Enclosed design minimizes solvent exposure and evaporation loss.
- Multiple Test Stations - Usually equipped with 2 to 4 independent work units for parallel testing.
- Automatic Weight Pressing System - Applies consistent pressure on samples for uniform solvent extraction.
- Microcomputer Temperature Control - Maintains precise heating (typically 90–120°C) with ±1°C accuracy.
- Built-in Timer and Calculator - Allows setting extraction time and calculates oil content directly.
- Solvent Evaporation Plate- Heats and evaporates solvent quickly, leaving only the oil residue.
- Digital Display - Shows time, temperature, and process status for user-friendly operation.
- Compact and Durable Design - Made with corrosion-resistant materials suited for chemical handling.
- Safety Features - Includes overheat protection and enclosed solvent chamber to reduce exposure risk.
- Standard Compliant - Designed to meet GB/T 6504-2017 and similar industry testing standards.
- Prepare the Sample - Cut 5–10 g of fiber or yarn into small pieces and place in the sample tube.
- Add Solvent - Pour a suitable solvent (e.g., petroleum ether) into the tube to cover the sample.
- Apply Weight - Place the extractor's weight or press system onto the sample to aid extraction.
- Start Extraction - Activate the machine. The solvent dissolves the oils and flows to the heating plate.
- Heat for Evaporation - Set the temperature (typically 90–120°C). The solvent evaporates, leaving oil on the plate.
- Measure Oil Content- After drying, weigh the remaining oil. Use the built-in calculator or formula:
- Clean the Unit - After cooling, clean all parts to prepare for the next test.
Fiber Oil Fast Extractor
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.) 
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.
fabric moisture permeability tester
Fabric Moisture Permeability Tester
Fabric Moisture Permeability Tester
- Upright Cup Method: The fabric covers a cup containing water, and the assembly is placed upright in a controlled environment. After a set duration, the weight loss is measured to determine the WVTR.
- Inverted Cup Method: The fabric is sealed over a cup, which is then inverted and exposed to a controlled environment. The amount of water vapor absorbed by the fabric is measured over time.
- Sweating Hot Plate Test: Simulates human perspiration by measuring the energy required to maintain a constant temperature on a heated plate covered with the fabric, providing insights into the fabric's breathability.
- Multi-Cup Design - Typically includes 6 or more test cups for simultaneous testing of multiple samples.
- Rotating Turntable - Ensures uniform air exposure and consistent vapor transmission across all samples.
- Precision Weighing System- Accurate measurement of weight loss to calculate water vapor transmission rate (WVTR).
- Temperature & Humidity Control - Maintains stable environmental conditions (e.g., 23°C, 50% RH) for reliable results.
- Digital Display or Software Interface - Displays real-time data and test status; advanced models offer data logging and export.
- Compliance with Standards - Supports ASTM E96, ISO 15496, BS 7209, JIS L1099 testing methods.
- Sealed Test Chambers- Prevents external air interference, improving accuracy.
- Corrosion-Resistant Construction - Durable materials suitable for long-term use in lab environments.
- Easy Sample Mounting - Quick and secure fabric placement on test cups with sealing rings.
- Low Maintenance Design- Simplified components for easy cleaning and upkeep.
- Prepare the Test Solution - Fill each test cup with a set amount of water (e.g., 50 ml), or a desiccant if using inverted method.
- Mount the Fabric - Cut the fabric into circular pieces matching the cup size.
- Weigh the Cups - Record the initial weight of each cup with the fabric mounted.
- Place on Turntable - Position all cups on the rotating tray inside the controlled chamber.
- Set Conditions - Close the chamber and maintain temperature (e.g., 23°C) and relative humidity (e.g., 50%) as per test standard.
- Start the Test - Begin rotation (usually ~2 RPM) and let it run for the specified time (often 24 hours).
- Weigh the Cups Again- After the test duration, reweigh the cups to determine weight loss due to moisture vapor passing through the fabric.
- Calculate WVTR - Use the formula: WVTR = (Weight Loss in grams × 24) / (Test Area in m² × Time in hours) Expressed in g/m²/24h.
- Clean and Store - Clean cups and components for future use.
Scope of application
It is used to determine the moisture permeability of various fabrics
(including moisture permeable coated fabrics)
and nonwovens such as batting cotton and space cotton.
[Related standards] GB/T12704 ASTM E90 JIS L1099A BS 7209 JIS L1099B (custom) etc.
Instrument characteristics
1. Integrated structure of baking oven and constant temperature and humidity box.
2. Microcomputer control, color touch screen Chinese menu operation.
3. Circulating air velocity 0.2-3m/s digital setting.
4. Imported high-precision temperature and humidity sensor, imported motor drive, ceramic
heating tube heating.
Technical parameters
1.Work mode: Microcomputer control, color touch screen Chinese menu operation, test environment monitoring.
2. Sample box control temperature:15 ~ 40 C, accuracy 0.1 + C, resolution 0.01 C
3. Heat dissipation mode:Air cooling
4. Sample box control humidity:30 ~ 95%, precision + 2%, resolution 0.01%
5. Test chamber humidification:≥300ml/h
6. Accompany oven control temperature: Room temperature to 200 c
7. Test time:1min～999h59min
8. The rate of circulating steam flow:0. 2-3m/s digital setting resolution 0.01m/s
9. Moisture permeability area:2827㎜2（∮60㎜GB）
Optional 3848, 2 (70 70 ASTM)
10. The number of moisture permeable cups.6 (GB) can be replaced by 6 (US standard).
11. Internal dimensions of drying oven:490×400×215mm
12. Power supply:Ac220V 50Hz 6kw
13. Size:930×820×1700mm
14. Weight:350kg 
