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Smart Controller For Grow Lights & Duct Fans & Wall Fan & VPD Sensing

A smart and versatile control system for plant lamps and ventilation. The GTC42/PRO combines lighting, fans and climate control into one easy-to-use solution – the perfect solution for indoor farming.

Product Description

Controller Multi with VPD

Full lighting control

  • 4 separate channels (CH1 to CH4)
  • Adjustable brightness per channel or for all at once
  • Multispectral support (e.g. 5000K, 3000K, 600 nm, UVA)

Intelligent ventilation control USB-C

  • Control multiple devices (e.g., duct fans and circulating fans)
  • 10 power levels (0-100%)
  • Simultaneous adjustment of individual devices or all of them

Automatic climate control

  • React in real-time:
    • temperature
    • humidity
    • To the VPD value
  • 6 different automatic start/stop conditions

Scheduling and programming

  • Daily schedules (ON/OFF)
  • Scheduled start or shutdown
  • Cycle mode

Natural light simulation

  • Sunrise and sunset functions
  • Smooth brightness up and down (0-60 min)

Safety and security

  • Overheating protection (automatic light switch-off)
  • Buffer function prevents constant on/off fluctuations

Accurate measurement and calibration

  • Sensors for temperature, humidity and VPD
  • Ability to fine-tune measurement results

Easy-to-use display and control

  • Clear display with real-time values
  • Lockable interface
  • Memory-preserving clock (works even after a power failure)
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