Water Vapor Transmission Rate Tester FX 3180 CupMaster

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Water Vapor Transmission Rate Tester FX 3180 CupMaster measures the water vapor transmission rate of plastic films, membranes, underlays, vapor barriers, and other materials by means of the gravimetric method.
Once the cups have been inserted and the measurement has been started, the CupMaster works fully automatically. A temperature/humidity sensor and a sensor for measurement of the air velocity permit very precise control of the selected climate. The cups are weighted within fixed time intervals and then tester computing the actual value of the Water Vapor Transmission factor.
A PC is not required for operation of the instrument, but only for evaluation and documentation of the test results. For this, the CupMaster can be integrated into a network, even via Wi-Fi. Test reports can be downloaded from the internal web server of the instrument in PDF and XML formats.

Features

  • Determination of water vapor permeability (WVTR) by gravimetric method
  • Measuring of growth weight (“dry cup””) and weight loss (“wet cup”),
  • The ability to work with “inverted cup”,
  • Fully automatic, non-supervising operation, built-in computer with color touch screen, remote PC monitoring capability,
  • Two wersions available – FX3180-CM12: for 12 samples and test area 50 cm2, FX 3180-CM15: for 15 samples and test area 28.3 or 30 cm2,
  • Easy calibration with calibration weight,
  • Standard sample thickness: 3 mm, (thicker samples require special cups),
  • Temperature range: 10 °C below ambient to 40 °C,
  • Accuracy of temperature control: better than 0.5 °C,
  • Humidity range:  40 to 90 %RH for temperature +23 °C and 20 to 90 %RH for temperature +38 °C,
  • Measuring accuracy:
    • Temperature: Better than 1 %°C,
    • Humidity: Better than 3 % RH
  • Air velocity: from 0.02 to 4.0 m/sek,
  • Dimensions: 120 x 80 x 60 cm,
  • Weight. 109 kg,
  • Compressed air: 5 to 8 bar,
  • Power Suply: 230 V / 50 Hz, 1 kW.

Standards

EN 1931:2002 –  Flexible sheets for waterproofing – Bitumen, plastic and rubber sheets for roof waterproofing – Determination of water vapour transmission properties

ISO 2528:2000 – Sheet materials — Determination of water vapour transmission rate (WVTR) — Gravimetric (dish) method

EN ISO 12572:2004 – Hygrothermal performance of building materials and products — Determination of water vapour transmission properties — Cup method

ASTM E96, ASTM D1653, JIS Z0208, JIS L 1099-A, DIN 53122, BS 3424-34