🌡️ W3230 Mini Digital Temperature Controller DC 12V Thermostat | AuscomTech

The W3230 Digital Temperature Controller is a compact and reliable thermostat module designed for accurate temperature monitoring and automatic control of heating or cooling equipment.

Powered by DC 12V, this controller features a bright digital LED display, high-precision NTC waterproof probe, and a 20A relay output, allowing it to control heaters, fans, refrigeration units, incubators, and other temperature-dependent devices.

With adjustable control parameters such as hysteresis, temperature calibration, and delay protection, the W3230 provides stable and reliable temperature regulation for DIY, industrial, and automation projects.

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⭐ Key Features

🌡️ Heating & Cooling Control
Supports both heating and cooling modes for flexible temperature regulation.

📟 Clear Digital LED Display
Displays real-time temperature readings for easy monitoring.

🎯 High Precision Temperature Control
Measurement and control accuracy of ±0.1°C.

⚡ High Power Relay Output
Integrated 20A relay suitable for switching heaters, compressors, fans, and other loads.

💧 Waterproof NTC Temperature Sensor
Includes 1m stainless steel probe for reliable temperature sensing.

📏 Wide Temperature Range
Supports temperature control from -50°C to 120°C.

🔧 Compact Panel Mount Design
Small form factor suitable for control panels, equipment enclosures, and DIY projects.

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📊 Technical Specifications

Model: W3230

Power Supply: DC 12V

Temperature Control Range: -50°C to 120°C

Temperature Measurement Accuracy: ±0.1°C

Control Accuracy: ±0.1°C

Display Resolution:
• 0.1°C from 9.9–99.9°C
• 1°C outside this range

Sensor Type: NTC waterproof probe

Probe Length: approx. 1 metre

Relay Output: 1 channel, up to 20A

Operating Environment:
• Temperature: -10°C to 60°C
• Humidity: 20–85% RH

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⚙️ Control Functions

P0 – Heating / Cooling Mode
Switch between heating or cooling control.

P1 – Hysteresis Setting
Adjust temperature difference (0.1–15°C).

P2 – Maximum Temperature Limit
Limits the highest adjustable temperature.

P3 – Minimum Temperature Limit
Sets the lowest allowable temperature value.

P4 – Temperature Calibration
Allows adjustment from -7°C to +7°C.

P5 – Delay Start Time
Delay protection for compressors or loads (0–10 minutes).

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🧩 Typical Applications

• Incubators and brooders
• Refrigerators and freezers
• Aquarium and reptile temperature control
• Brewing and fermentation systems
• Industrial heating systems
• Temperature-controlled enclosures
• DIY automation projects

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⚠️ Important Notes

• This version operates on DC 12V only.
• Ensure correct wiring before applying power.
• Relay output must not exceed rated load capacity.
• Designed for temperature control applications using the supplied NTC probe.

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📦 Package Includes

• 1 × W3230 DC 12V Temperature Controller
• 1 × Waterproof NTC Temperature Probe (1m)