Moisture Vapour Transmission Rate (MVTR) - AUTO W806 - Hylec Controls

Moisture Vapour Transmission Rate (MVTR) - AUTO W806

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The cutting-edge Gravimetric Method Water Vapor Permeability Analyzer AUTO W806 product is rooted in the cup method of water vapour transmission testing, meticulously designed and manufactured in accordance with the ASTM E96 standard. Tailored to deliver extensive and efficient water vapor transmission rate detection for low, medium, and high water vapor barrier materials, it is ideal for testing in diverse fields such as food, medicine, medical equipment, daily chemicals, and more.

Key Features

  • Test Principle

    • Utilises desiccant (weight gain method) or water (weight loss method) in the sample cup.
    • Control of temperature, humidity, and wind speed in the test box.
    • Regular weighing of the sample cup to calculate performance parameters.
  • Standards

    • ASTM E96, ASTM D1653, ISO 2528, TAPPIT464, DIN 53122-1, YBB00092003
  • Technical Parameters

    • Test Range: Film: 0.0510,000 g/(m2.24h), Container: 0.000230 g/(pkg 24h) Test Precision: Film: 0.001 g/(m2·24h), Container: 0.0002 g/(pkg·24h)
    • Test Chambers: 6 Pieces
    • Balance Range: 210 g
    • Balance Indexing: 0.01 mg
    • Temperature Range: 10~50±0.1 ℃
    • Humidity Range: 5%~95%,100% RH
    • Air Speed: 0.52.5 m/s (0.030.5 m/s optional) Sample Size: Φ74 mm
    • Sample Thickness: ≤3 mm
    • Test Method: Weight gain method, weight loss method
    • Standard Test Area: 33 cm2
    • Carrier Gas Specification: Air compressor
    • Air Pressure: ≥0.6 MPa
    • Connection Size: Φ6 mm Polyurethane tube
  • Features

    • Upgraded test chamber and breathable cup design for efficient multi-mode operation.
    • Precise control of temperature, humidity, and wind speed for accurate measurements.
    • Fault self-check and professional safety protection.
    • Artistic design with real-time visualisation of curves.
  • Intelligent Operating System

    • Developed in-house with modular graphics for flexible parameter settings.
    • GMP-compliant with audit trail and multi-level permission settings.
    • Personalised test reports and data output in multiple formats.
    • Global strength certification with language settings in English and Chinese.
  • Professional Calibration Service

    • Holds "National Standard Material Grading Certificate" and "People's Republic of China Manufacturing Measuring Instrument License."
    • Calibrated and verified using national standard material independently developed for accurate and reliable data.
  • Lab Intelligent IoT Platform

    • Connects to the IoT platform for network digital management.
    • Remote authorisation for managing experimental data, remote diagnosis, and troubleshooting.
    • Customers can independently download instrument information, documents, and operation videos on the platform.
  • Application Areas

    • Film: Suitable for water vapour permeability test of various plastic films, composite films, degradable packaging films, etc.
    • Sheet: Suitable for water vapor permeability test of solid pharmaceutical hard sheets, metal composite sheets, rubber sheets, etc.
    • Paper, Cardboard, and Composite Material: Suitable for water vapour permeability test of paper and cardboard, such as coated paper, silicone paper, aluminised paper for cigarette packs, paper-aluminum-plastic composite sheet, etc.
    • Medicinal Patch: Suitable for water vapour permeability test of medical plasters.
    • Package: Customisable clamps can be extended to packaging parts, such as medical polyethylene bottles, sealed bags, medical ointment tubes, infusion hoses, plastic trays.
  • Factory Configuration

    • Standard configuration includes a power cord, communication line, weighing scale, moisture permeable cup, sample cutter, sealing grease, mouse, weight, 4A molecular sieve, reference material, and inner hexagon.
    • Optional components like a measurement certificate and air compressor are available.


  1. Ensure no nearby vibration sources; the test bench must be vibration-free and level.
  2. Operate in a standard laboratory environment with a temperature of 23°±2.
  3. Power requirements: 220 V regulated power supply, one socket with three holes and three switches.
  4. Computer requirements: Standard configuration with Windows 10 and a nine-pin serial port.
  5. A muffle furnace or drying equipment is needed for drying the desiccant.
  6. Drying dish required for dehydrating and degassing samples for 24 hours.
  7. First-grade distilled water, 2 L (bottled), is necessary for the testing process.

Technical parameters


Technical parameters

Test range

film:0.05~10,000 g/(m2·24h),Container:0.0002~30 g/(pkg·24 h)

Test precision

film:0.001 g/(m2·24h),Container:0.0002 g/(pkg·24 h)

Test chambers

6 Pieces

Balance range

210 g

Balance indexing

0.01 mg

Temperature range

10~50±0.1 ℃

Humidity range

5%~95%,100% RH

air speed

0.5~2.5 m/s(0.03~0.5 m/s  optional)

Sample size

Φ74 mm

Sample thickness

≤3 mm

Test method

weight gain method, weight loss method

Standard test area

33 cm2

Carrier gas specification

Air compressor

Air pressure

≥0.6 MPa

Connection size

Φ6 mm Polyurethane tube