Water vapor permeability measurement device (differential pressure method)

basic information

■Number of test specimens: 1 or 3 ■Measurement range: 20 to 85°C, 80 to 90% RH (depending on combination) ■Temperature control method: Water circulation (using a constant temperature circulation bath) ■Test specimen dimensions: ・50×50mm (measuring area diameter Ø30mm, transmission area 707mm²) ・90×90mm (measuring area diameter Ø70mm, transmission area 3848mm²) *Select transmission area based on water vapor permeability ■Water vapor permeability measurement range: ・Type A: 0.001 to 1.000 [g/(m²・24h)] ・Type B: 0.01 to 100.00 [g/(m²・24h)] *Vacuum gauge accuracy 0.25% of reading ■Supply gas: 0.5MPa ■Medium for water vapor: Water (Type A1 or higher as specified in JIS K 0557) ■Measurement items: Water vapor permeability ([g/(m²・24h)]) Water vapor transmission coefficient [g・mm/(m²・24h)] ■Data processing device: PC, dedicated software (standard included) ■Reference standards: JIS K 7129-5, ISO 15106-5 For other specifications, please refer to the catalog.

Price range

Delivery Time

Applications/Examples of results

Measurement of water vapor permeability and water vapor transmission rate (water vapor barrier properties) of plastic films and the like.