🌡️ W3001 Digital Temperature Controller — NTC10K Probe • 10 A Relay

Compact thermostat for incubators, aquariums, fermentation, greenhouse fans/heaters, and DIY control. Bright display, easy Start/Stop setpoints, waterproof probe.

🔀 Choose Your Voltage (select on this page)

• Voltage: DC 12V

• Voltage: DC 24V

• Voltage: AC 110/220V (auto)

Pick DC 12V or DC 24V when you already have a low-voltage supply in your project; pick AC 110/220V to power it straight from mains.

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🌟 Highlights

• 🧱 Durable ABS enclosure — compact 5.5 × 3.8 × 3.2 cm

• 🌊 Waterproof NTC10K probe (≈ 1 m cable)

• 📏 Range: −50 ~ +110 °C with 0.1 °C display & control resolution

• ⚡ On/Off relay output up to 10 A for direct load switching*

• 💾 Memory: retains settings after power loss

*For inductive/heavy loads, drive a contactor/SSR; always follow local electrical codes.

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📐 Specifications (all variants)

• Measure/Control Range: −50 – +110 °C

• Display & Control Accuracy: 0.1 °C

• Probe: NTC10K, waterproof, cable ≈ 1 m

• Output: Relay (NO/COM), 10 A max

• Case Size: 5.5 × 3.8 × 3.2 cm (2.17 × 1.50 × 1.26 in)

Supply by variant

• DC 12V: Power the controller with 12 V DC

• DC 24V: Power the controller with 24 V DC

• AC 110/220V: Powers directly from AC 110/220 V (auto)

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▶️ Quick Operation

Set Start Temperature (ON): Press ▲ to view → hold ▲ ~3 s (value flashes) → adjust with ▲/▼.
Set Stop Temperature (OFF): Press ▼ to view → hold ▼ ~3 s → adjust with ▲/▼.
Factory Reset: Power on while holding ▲ + ▼ until 888 appears.

Typical: Heating → Start < Stop. Cooling → Start > Stop.

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🔧 Wiring Notes

• Power: according to the variant you selected (DC 12 V, DC 24 V, or AC 110/220 V).

• Load: place the relay in series with the load’s hot/positive lead.

• Keep the probe away from heaters and drafts; mount at the control point.

• For compressors/motors/heaters near 10 A, switch a contactor/SSR.

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📦 Package Includes

• 1 × W3001 Digital Temperature Controller — Voltage selected on this page

• 1 × NTC10K Waterproof Probe (≈1 m)

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💥 Buy More & Save

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

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🇺🇸 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.