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Digital Temperature Humidity Meter
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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
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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 
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
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Counting Balance-Weighing Scale
Counting Balance-Weighing Scale
Random Tumble Pilling Tester
Random Tumble Pilling Tester
Random Tumble Pilling Tester
- Multiple Test Chambers - Typically comes with 2 or 4 cork-lined chambers for simultaneous testing of multiple fabric samples.
- High-Speed Rotating Impellers - Impellers rotate at around 1200 rpm to create intense, random tumbling motion.
- Compressed Air System - Ensures continuous fabric movement and realistic simulation of wear.
- Digital Timer- Allows precise setting of test duration with easy-to-read display.
- Viewing Windows- Transparent chamber doors for monitoring fabric movement during testing.
- Standard Compliant Design- Meets ASTM D3512, ISO 12945-3, GB/T 4802.4 and other major standards.
- Robust Construction- Durable materials and components designed for long-term laboratory use.
- Easy Sample Handling - Quick-open chamber lids and simple sample placement process.
- Compact Footprint- Saves space in laboratory environments.
- Prepare Samples- Cut fabric into standard-sized specimens (usually circular or rectangular per ASTM/ISO specs)- Condition samples as per the standard (usually 24 hrs at 21°C, 65% RH).
- Load the Chambers - Place each sample into a cork-lined test chamber. - Add a small piece of gray cotton backing fabric if required by the method.
- Set Parameters - Adjust compressed air pressure (typically 14–21 kPa or 2–3 psi).
- Start the Test- Close the chamber doors and press start. - Impellers rotate, tumbling the samples randomly with air flow.
- Stop and Unload - Once the timer ends, remove the samples carefully.
- Evaluate Pilling - Compare the tested samples to standard pilling rating photographs or scales.
- Record Results - Document the pilling grades and any observations.
[Scope of application]:
It is used to test the fuzzing and pilling
performance of the fabric under the condition of
free rolling and friction in the drum.
[Related standards]:
GB/T4802.4 (Standard Drafting Unit)
ISO12945.3, ASTM D3512, ASTM D1375, DIN 53867, ISO 12945-3, JIS L1076, etc.
[Technical parameter]:
1. Number of boxes: 4
2. Roller specifications: diameter (146±1.0) mm, depth (152.4±1.0) mm;
3. Lining material: polychloroprene lining thickness (3.2±0.4) mm. , Hardness (60～70)
IRHD;
4. Impeller specifications: φ12.7 mm×120.6 mm;
5. Plastic blade specifications: 10 mm×65 mm;
6. Rotation speed: 1～2400 rpm can be set freely
7. Working pressure: 14kPa～21kPa;
8. Time counting: (1～999) min.
9. Power supply: AC220V±10% 50Hz 80W
10. Appearance: (480×400×680)mm
11. Weight: 40kg
[Standard accessories]
Items and specifications Qty. Note
Fuse 2 3A
Main machine 1
Power cable 1
Air tube 1 Φ8mm
Grey cotton sliver 4
Cork lining 4
Rating sample photo 1
White glue 1
Gray scale
Gray Scale
Gray Scale
- Gray Scale for Color Change - Compares the original and tested sample to measure color fading or alteration.
- Gray Scale for Staining - Compares a white adjacent fabric (before and after testing) to assess color transfer or staining.
- Standardized Evaluation - Provides a consistent and objective way to assess color change or staining.
- Simple and Quick to Use - Enables rapid visual comparison during fabric testing.
- Widely Accepted - Complies with international standards (ISO, AATCC) for color fastness grading.
- Cost-Effective Tool - Inexpensive yet essential for reliable quality control in textiles.
- Enhances Quality Assurance - Helps detect dyeing or printing issues before bulk production.
- Supports Multiple Tests - Used for evaluating wash fastness, rubbing fastness, perspiration, light exposure, and more.
- Portable and Durable - Easy to carry and long-lasting with proper care.
- Dual Type Availability - Comes in two types: for Color Change and for Staining.
- 5-Point Grading System - Grades from 1 (poor) to 5 (excellent), with half-step intervals like 4–5, 3–4.
- Standardized Grey Chips - Includes contrasting grey color pairs to match fabric changes accurately.
- Compact Design - Small, portable card or booklet format for easy lab and field use.
- Durable Material - Made from stable, fade-resistant plastic or cardboard for long-term use.
- Compliance with Standards - Follows ISO 105-A02 (Color Change) and ISO 105-A03 (Staining) norms.
- Easy Visual Comparison - Designed for quick side-by-side assessment of fabric before and after testing.
- Place the Samples - Lay the untested (original) and tested fabric side by side (for color change)
- Match Against Gray Scale Chips - Visually compare the difference between the samples and find the closest matching gray pair on the scale.
- Assign a Grade
- Record the Result - Note the grade in your test report as per the test method (e.g., ISO 105).
- Store Properly - Keep the gray scale away from light and moisture to avoid fading.
- Features :
- Dual Type Availability - Comes in two types: for Color Change and for Staining.
- 5-Point Grading System - Grades from 1 (poor) to 5 (excellent), with half-step intervals like 4–5, 3–4.
- Standardized Grey Chips - Includes contrasting grey color pairs to match fabric changes accurately.
- Compact Design - Small, portable card or booklet format for easy lab and field use.
- Gray Scale for Color Change - Used to evaluate the degree of color fading or change in a fabric after testing (e.g., washing, light exposure). - Assesses how much the original color has altered.
- Gray Scale for Staining - Used to assess the degree of color transfer from a dyed fabric to an adjacent white fabric during testing (e.g., rubbing, washing).
Gray Scale
Fabric drape tester
Fabric Drape Tester
Fabric Drape Tester
- Quantifies Fabric Flow - Measures drape behavior accurately, crucial for garments and furnishings.
- Supports Design Decisions - Helps designers select fabrics that match the intended look and movement of a product.
- Improves Garment Fit and Comfort - Ensures fabrics behave naturally on the body, enhancing wear ability.
- Enhances Product Aesthetics - Prevents stiff or limp fabric choices in fashion, interior, or technical textiles.
- Standardized Evaluation - Enables comparison across fabrics using drape coefficient, based on standards (e.g., BS 5058).
- Supports R&D - Useful in developing new fabrics or finishes to improve drape quality.
- Non-Destructive Testing - Tests fabric without damaging it, allowing for further analysis.
- Boosts Quality Control - Identifies batch inconsistencies or performance issues early in production.
- Rotating Support Disc - Holds the fabric sample over a smaller disc to create natural drape.
- Standard Sample Size Support - Designed for circular fabric samples, usually 30 cm in diameter.
- Light Projection System - Projects the draped fabric’s shadow onto a screen or recording surface.
- Drape Coefficient Calculation - Measures the shadow area to compute the drape coefficient (percentage of unsupported area covered by the shadow).
- Digital or Manual Options - Available in models with digital image processing or manual plan meter tracing.
- Stable Base and Structure - Ensures consistent and vibration-free testing conditions.
- Sample Templates Provided - For cutting precise, standard-sized fabric specimens.
- User-Friendly Interface - Simple controls for rotation and light alignment.
- Compact and Lab-Ready Design - Fits easily on lab benches and in testing environments.
- Compliance with Testing Standards - Supports BS 5058 and other relevant drape measurement methods.
- Prepare the Fabric Sample - Cut a circular fabric sample, typically 30 cm in diameter, using the provided template.
- Place the Fabric - Center the fabric sample over the smaller support disc (usually 18 cm diameter) on the tester.
- Turn on the Light Source - Illuminate the fabric from above so it casts a shadow onto the recording surface or paper below.
- Capture the Shadow Outline - Trace the shadow manually on paper or capture it digitally, depending on the model.
- Measure the Shadow Area - Use a plan meter (manual) or software (digital) to determine the shadow’s area.
- Calculate Drape Coefficient (DC) - Use the formula:
- Record the Result - Log the drape coefficient to evaluate how stiff or flexible the fabric is.
- Repeat for Accuracy - Test multiple samples and average the results for consistency.
It is used for testing dynamic and static drape properties
(drape coefficient, shape change rate, surface ripple and drape uniformity, etc.)
of various fabrics.
Related standards GB/T23329 FZ/01045 BS5058 etc.
Instrument characteristics
1. CCD imaging, dynamic and static image processing.
2. A variety of charts and data statistics, analysis, storage, output
3. No need to replace background color, can test all kinds of color samples.
4. Work mode:Microcomputer control, CCD imaging, automatic processing of images and data automatically.
Technical parameters
1. Communication interface: RS232, USB
2. Image sensor: CCD sensor.
3. Static (dynamic) state draping coefficient: 0 ~ 100% + 2
4. Drapability uniformity: 0 ~ 100% + 2
5. The rate of morphological change is 0 to 100% + 2.
6. Surface waviness error: + 1 
Fabric flame retardant tester
Fabric Flame Retardant Tester
Fabric Flame Retardant Tester
- Sample Preparation: A fabric specimen is cut to specified dimensions and conditioned as per standard requirements.
- Mounting: The sample is mounted vertically or at a specified angle in the testing chamber.
- Ignition: A controlled flame is applied to the fabric for a predetermined time.
- Observation: The tester records ignition time, flame spread, after-flame time, and afterglow time.
- Evaluation: Results are compared against standard criteria to determine compliance.
- Prepare the Sample
- Mount the Sample
- Set Up the Burner Position the burner at the required angle (usually 90° for vertical tests).
- Ignite the Flame - Apply the flame to the bottom edge of the fabric for 12 seconds.
- Observe and Measure - Start timing when flame is applied.
- Record the Results
- Compare with Standards
burning of flammable textile materials after ignition.
(specific ignition nozzles and sample holders can be customized to meet multiple criteria).
Related standards
GB/T14644 ASTM D1230 CFR1610 etc.
Technical parameters
1. The spread of time:0 ~ 999.9S resolution 0.1S
2. The temperature inside the box shows:Room temperature -99 degrees C resolution 1 c
3. Igniting time:1S
4. Type of igniter:4 1/2 syringe
5. Sample clip size:Outer frame:204mm * 78mm inner frame:152mm×38mm
6. Distance from the top of the igniter to the sample surface:8mm
7. Studio size and outline size
Studio size:370mm×220mm×350mm
Outline size:375mm×245mm×478mm
8. Power supply:AC220V 50Hz 20W
9. Weight:18Kg
