🌡️ Advanced Digital Temperature Controller — −50 ~ 120 °C • 20 A Relay

🔀 Choose Your Version (select on this page)

• Current: DC 12V

• Current: AC 110V–220V

• Current: DC 24V

🌟 Highlights

• 📏 Range: −50 to 120 °C

• 🔬 Precision: 0.1 °C measurement, control & hysteresis

• 🧮 Resolution: 0.1 °C from −9.9 to 99.9 °C, otherwise 1 °C

• ⚡ Heavy-duty relay: 20 A output (NO/COM) for high-power loads

• ⏱ Fast updates: ~0.5 s refresh

• 🌊 Probe: NTC 10K (0.5%) waterproof sensor

• 🔔 Status cues: LEDs + buzzer for delays/alarms/sensor faults

• 🧠 Smart modes: Heating (H) / Cooling (C), hysteresis, max/min limits, sensor offset, compressor/heater delay start

📐 Specifications

• Supply (by variant): DC 12 V · AC 110–220 V · DC 24 V

• Control Output: 20 A relay, AC 110–220 V or DC loads within rating

• Set/Display: SET to edit, ▲/▼ to adjust; factory reset via long-press combo

• Refresh: ~0.5 s

• Operating Range: −50 ~ 120 °C

For inductive/high-inrush loads (motors, compressors), switch a contactor/SSR and use a snubber/RC across contacts. Always fuse your circuit.

🧰 Typical Uses

Incubators, fermentation, aquariums/terrariums, seedling heat mats, greenhouse control, fridge/freezer conversions, and general DIY temp control.

📦 Package Includes

• 1 × Digital Temperature Controller — version selected on this page

• 1 × NTC 10K Waterproof Sensor

• 1 × User Manual

💥 Volume Discount

• 10% OFF for 2 units • 15% OFF for 3 units • 20% OFF for 4+ units (auto-applied)

🇺🇸 Premium Support & Shipping

• 🇺🇸 US Stock / Fast Shipping — 2–4 day delivery from Oklahoma; your purchase supports a US-based small business.

• 🧪 Quality Checked & Tested — spot-checked before shipping.

• 🔁 Easy Returns — 30-day returns; we pay return shipping.

• 📦 Professional Packaging — safe delivery, 100% guaranteed.