Advanced controller with 5-inch-wide display, IB4-V, IB4-AV

• Fan speed optimization(Opti-flow™) with reduced evaporation and higher moisture retention (IB4-V only)
• Graphs for checking stored or real-time data
• Data storage function, 3 frequent temperature function
  

Standard controller with 3.5-inch display, IB4-S, IB4-AS

• Same temperature uniformity performance as advanced models
• Safety functions equivalent to advanced models (circuit breaker and overheating limiter, etc.)
• Equipped with temperature protection function compliant to DIN 12880 Class 3.1