Sweating Guarded Hotplate M259B

The Sweating Guarded Hotplate simulates the heat and mass transfer processes which occur next to human skin.

• Thermal resistance (Rct) test range: 0.002 - 2.0 m2.K/W
• Vapor resistance (Ret) test range: 5 - 1000m2.Pa/W
• Maximum test specimen sizes:
• 300 x 300mm for specimen thickness < 5mm
• 214mm x 214mm for test specimen thickness from 5-70mm
• Hotplate: 3mm porous bronze plate 200mm x 200mm
• Hotplate temperature control at 35°C ±0.1°C
• Thermal guard temperature control at 35°C ±0.1°C
• Enclosure: Conditioned air flows parallel to Hotplate and Thermal Guard
• Air duct height: 55mm ?mm above the working platform
• Air temperature range 18°C-40°C ±0.1°C
• Relative humidity 30-70% ±3%
• Air temperature accuracy during test ±0.5°C for thermal resistance and vapor resistance < 0.5 m2.K/W and 100 m2.Pa/W
• Air flow speed 1±0.05 m/s, measured 15mm above the working platform at 20°C air temperature

UTILITIES REQUIRED

• Requires 20 amp single phase electrical supply
• Supply of triple distilled water (not plumbed)

Standart

• ISO 139:2005 Textiles-Standard Atmospheres for Conditioning and Testing.

simulate the heat and mass transfer processes which occur next to human skin. Measurement of thermal resistance and water vapor resistance under steady state conditions of a range of products including fabrics, films, coatings, foams and leather including multi-layer assemblies