Gravimetric Method Water Vapour Permeability Analyser W303 2.0 - Hylec Controls
Gravimetric Method Water Vapour Permeability Analyser W303 2.0 - Hylec Controls

Gravimetric Method Water Vapour Permeability Analyser W303 2.0

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Presenting the W303 WVTR Tester from Hylec Controls, meticulously designed and crafted based on the weight method (weight reduction) test principle, aligned with GB/T 1037 and ASTM E96 standards. This cutting-edge instrument is tailored for measuring the water permeability performance of films, sheets, papers, and various materials in diverse industries such as food, pharmaceuticals, medical equipment, daily chemicals, and photovoltaic electronics.

Key Features

  • Test Principle

    • Utilises the weight method (weight reduction) for water vapour transmission rate (WVTR) testing.
    • Controlled temperature and humidity conditions to measure water vapour permeability.
  • Specifications

    • Test Range: 0.1~10000 g/(m2·24h)
    • Test Precision: 0.0001 g/(m2·24h)
    • Temperature Range: 15~55℃
    • Temperature Accuracy: ±0.1℃
    • Humidity Range: ≤10%RH
    • Humidity Accuracy: ±2%RH
    • Test Area: 50.24 cm2
    • Sample Size: Φ90 mm
    • Sample Thickness: ≤3mm
    • Number of Test Samples: 3 pieces
    • Power: 1300 W
    • Power Supply: AC 220 V, 50 Hz
  • Product Features

    • High-precision load cell for efficient and stable weighing with a resolution up to 0.0001 g/(m2·24h).
    • Three independent chambers for high throughput testing and wide applicability.
    • Exquisite 3D printed shell for an ergonomic design with an automatic operation and real-time visual curve display.
    • Intelligent operating system for flexible test parameter settings and data traceability.
    • Professional calibration service using national standard materials for accurate and reliable data.
  • Laboratory Intelligent IoT Platform

    • Connects to an IoT platform for digital network management.
    • Remote authorization for managing experimental data, remote diagnosis, and troubleshooting.
    • Accessible platform for downloading instrument information, documents, and operation videos.
  • Application

    • Film: Water vapour permeability tests for various plastic films, composite films, degradable packaging films, etc.
    • Sheet: Water vapor permeability tests for solid pharmaceutical hard sheets, metal composite sheets, rubber sheets, etc.
    • Paper, Paperboard and Composite Materials: Water vapour permeability tests for coated paper, silicone paper, etc.
    • Medicinal Patches: Water vapour permeability tests for medical plasters.
    • Package: Customisable fixtures for packaging materials such as pharmaceutical bottles, sealed bags, plastic trays, etc.
  • Factory Configuration

    • Standard configuration includes power cord, scale + syringe, wet cup, sampler, sealing grease, standard weights, and more.
    • Optional components like a computer and calibration certificate are available.

Service Commitment

  • Free packaging inspection technical support.
  • One-year warranty, free software upgrades, and lifetime technical support.
  • Free training at the factory, "trade-in" policy, and backup instruments in case of failure.
  • Testing center (CNAS L8185) for sample testing and comparison services.
  • Reference Standards Development Center for calibration services.

Technical Parameters


Technical parameters

Test range

0.1~10000 g/(m2·24h)

Test precision

0.0001 g/(m2·24h)


Temperature range


Temperature accuracy


Humidity range



Humidity accuracy


Test area

50.24 cm2

Sample size

Φ90 mm

Sample thickness


Number of test sample

3 pieces


1300 W

Power supply

AC 220 V,50 Hz