D1748 Humidity Cabinet

This test method is used for evaluating the rust-preventive properties of metal preservatives under conditions of high humidity.

• Double wall thermostatic cabinet made of 18/8 stainless steel
• Hinged cover consisting of two layers of desized cotton cloth mounted on an aluminium frame
• Desized cotton cloth conforming to military specification MIL C-5646F
• Water level regulating system for automatic adjustment of the water level consisting of one 20 litres carboy, 2000 ml Erlenmeyer flask, glass and rubber tubing
• Low-level water device
• Air supply and metering system:
  • Air filter
  • Needle valve
  • Rotameter
  • Pressure gauge
  • Pressure regulator
  • Filtering trap and tubing
• Tank equipped with draining tap
• Electric heating with 2 armoured stainless steel immersion heaters
• Lin-Tech operating software Lab-Link running in Windows® ambient:
  • TFT/LCD 8”
  • Resolution 800 × 640 and 16.2 M colours
  • USB Port
  • Storage capacity for more than 60’000 analysis
• Temperature controlled by PID with over-temperature alarm and temperature sensor with provision for calibration
• Air flow rate automatically monitored
• Humidity sensor
• Rotating stage at 1/3 rpm geared by and electric motor for the suspension of 33 steel test panels by means of the suspension hooks
• Circular drip pan mounted on the rotating stage