🔍 Product Overview

The STC-3028 is a compact digital temperature and humidity controller designed for use in incubators, climate cabinets, refrigeration units, and other systems that require accurate environmental regulation. It features dual displays for both setpoint and actual readings, configurable control modes (heating or cooling), and a built-in relay output for switching loads such as heaters, fans, or chillers.

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🚀 Why It’s Ideal for Your Projects

• Precise environmental control — With accurate temperature measurement and optional humidity sensing, the STC-3028 allows you to maintain stable conditions for processes, incubation, or storage.

• Versatile voltage compatibility — Operates on AC 110–220 V, making it suitable for a wide range of power systems.

• Simple setup and flexible use — Comes with a probe, intuitive buttons for calibration and setpoint adjustment, and supports both heating and cooling modes, making it practical for beginners and professionals alike.

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📝 Key Features

• Supply voltage: AC 110–220 V

• Temperature range: approximately -20 °C to +80 °C (depending on probe)

• Relay output capable of switching up to about 10 A

• Dual control modes: Heating and Cooling

• Dual display for current and setpoint values

• Adjustable calibration to correct sensor offsets

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🎯 Typical Applications

• Incubators & hatcheries – Maintain precise temperature and humidity levels

• Greenhouses or aquariums – Automate heaters, fans, humidifiers, or dehumidifiers

• Refrigeration systems – Keep storage conditions within safe limits

• DIY automation projects – Build custom temperature or humidity control systems

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✅ Why You’ll Love It

The STC-3028 delivers an excellent balance of precision, flexibility, and affordability. Its intuitive interface, reliable relay switching, and wide compatibility make it ideal for both hobby and professional environmental control systems.