Gravimetric Method Water Vapour Permeability Analyser AUTO W812 - Hylec Controls

Gravimetric Method Water Vapour Permeability Analyser AUTO W812

Regular price
Sale price
Regular price
Sold out
Unit price

Presenting our Gravimetric Method Water Vapour Permeability Analyser AUTO W812, meticulously crafted based on the cup method water vapor transmission test principle, and designed in compliance with ASTM E96, GB/T 1037 standards.

This advanced analyser offers extensive and efficient water vapour transmission rate detection for low, medium and high water vapor barrier materials. Ideal for applications in food, medicine, medical equipment, daily chemicals, and more, it caters to the water vapour transmission performance testing of films, sheets, paper, fabrics, non-woven fabrics, and related materials.

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, GB/T 1037, GB/T 16928, GB/T 17146, GB/T 12704, GB/T 19082, GB/T 21332, ASTM D1653, ISO 2528, TAPPIT464, DIN 53122-1, YBB00092003
  • Technical Parameters

    • Test Range: Film: 0.0510,000g/(m2.24h), Container: 0.000230 g/(pkg24h)
    • Test Precision: Film: 0.001 g/(m2·24h), Container: 0.0002 g/(pkg·24h)
    • Test Stations: 12 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 "Manufacturing Measuring Instrument License."
    • Calibrated and verified using national standard material 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.
    • Download instrument information, documents, and operation videos.
  • Application Areas

    • Film: Water vapour permeability test for various plastic films, composite films, degradable packaging films, etc.
    • Sheet: Water vapour permeability test for solid pharmaceutical hard sheets, metal composite sheets, rubber sheets, etc.
    • Paper, Cardboard, and Composite Material: Water vapour permeability test for coated paper, silicone paper, etc.
    • Medicinal Patch: Water vapour permeability test for medical plasters.
    • Package: Customisable clamps for testing medical polyethylene bottles, sealed bags, medical ointment tubes, infusion hoses, plastic trays.
  • Factory Configuration

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


  1. Test bench should be vibration-free and level.
  2. Standard laboratory environment with a temperature of 23°±2.
  3. Power requirements: 220 V regulated power supply.
  4. Computer requirements: Standard configuration with Windows 10 and a nine-pin serial port.
  5. Muffle furnace or drying equipment 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 station

12 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