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No.572 Water Vapour Transmission Rate Tester

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Description

The Water Vapour Transmission Rate Tester measures the water vapour permeability or water vapour permeability coefficient of packaging materials such as plastic film.

Specifications

CT1W CT3W
Number of specimen 1 3
Measurement range 20 to 85°C, 80 to 90% RH (Depends on the combination)
Temperature control Constant temperature water circulation (by chiller)
Specimen dimensions
  • 50×50mm (Meas. section ∅30mm, through area 707mm²)
  • 90×90mm (Meas. section ∅70mm, through area 3848mm²)
Water vapour transmission measurement range
  • Type A: 0.001 to 1.000 [g/(m²・24h)]
  • Type B: 0.01 to 100.00 [g/(m²・24h)]

Note: Vacuum pressure gauge: Accuracy 0.25% of reading
Supply gas 0.5MPa (Gas cylinder recommended)
Medium for water vapour Water (Class A1 or better specified in JIS K 0557)
Measurement item
  • Water vapour transmission rate [g/(m²・24h)]
  • Water vapour permeability coefficient (g・mm/(m²・24h)]
Data processing & control PC
Option N/A Additional measurement module, model MCT1W (1 test station) 

Max. 2 additional units possible
Power supply
  • Main unit: Single-phase, AC100V, 50/60Hz, 5A
  • PC: Single-phase, AC100V, 50/60Hz, 3A
  • Vacuum pump: Single-phase, AC100V, 50/60Hz, 6A
  • Chiller: Single-phase, AC100V, 50/60Hz, 15A
Compressed air 0.4MPa
Dimensions W550 × D560 × H470mm W800 × D560 × H470mm
Net weight Approx. 50kg Approx. 70kg

Related standards

ISO 15106-5 Plastics — Film and sheeting — Determination of water vapour transmission rate — Part 5: Pressure sensor method

 

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