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Sweating Guarded Hotplate

Model :T377
Sweating guarded hotplate is the textile testing instrument for measuring of thermal and water-vapour resistance properties under steady-state conditions. By testing the thermal resistance and water-vapour resistance of textile materials, the tester provides a direct data for characterizing the textiles’ physiological comfort which involve a complex combination of heat and mass transfer. The hotplate is intended to simulate the heat and mass transfer processes which occur next to human skin and measure the hence transport properties in a steady-state conditions involving combinations of temperature relative humidity, air speed, and in liquid or gaseous phase.
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Feature

  • Separated type structure is convenient for control and.
  • Computer with analysis software is for displaying all the real-time data, remote control and creating test reports. It is automatic calculation for thermal resistance, water-vapour resistance (evaporative resistance), water-vapour permeability index, clo, insulation value, heat loss.
  • Microprocessor computer and data processor is more steady and reliable.
  • Wireless wifi data transmission provides the remote control and monitoring.
  • Automatic calibration system is more convenient to operate and provides exact testing results.
  • Built-in testing modes as standards is easy to use.
  • LED lighting provides better viewing conditions.

 

 

 

Specification

  1. Hotplate :Test plate, guard section, bottom plate
  2. Test plate :250mm×250mm×3mm porous metal plate
  3. Thermal resistance rang :0-2m²K/W
  4. Indicating error :≤2%
  5. Repeatability :≤±2%
  6. Resolution :0.001 m²K/W
  7. Water-vapour resistance : 0-1000m²Pa/W
  8. Indicating error :≤2%Repeatability : ≤±2%Resolution :0.01 m²Pa/W
  9. Moving stroke of hotplate : 0-70mm
  10. Air speed :Adjustable 0-2m/s
  11. Indicating error : 1%
  12. Testing conditions : Standard mode and user defined mode
  13. Power supply : 220V 50Hz
  14. Dimension :780mm×560mm×750mm
  15. Net weight :30kg

Standards

ISO 11092  GB/T 11048  ASTM F1868  ASTM D1518  JIS L1096

Configuration

No. Product
2037701 Sweating guarded hotplate
2037702 Computer with analysis software
2037703 Temperature and humidity chamber
2037704 Nomex defender 750 yellow for ASTM F1868