HTU21D Digital Temperature And Humidity Sensor

Digital sensor combining a capacitive humidity element with a bandgap temperature sensor, covering 0-100 %RH and 40-125 °C.

✓Digital humidity and temperature sensing
✓0 to 100 %RH range
✓40 to 125 °C range
✓Capacitive humidity element
✓Bandgap temperature sensor

●In StockSKU: AS-DD8FZ9SJ

💻 Product Overview

The HTU21D is a digital sensor that pairs a capacitive humidity element with a bandgap temperature sensor in one self-contained component. It is intended for electronics work where both humidity and temperature readings are needed from a single device. The sensor covers a full humidity range and a wide temperature span.

✨ Key Features

Humidity range: Measures relative humidity across 0 to 100 %RH.
Temperature range: Reads temperatures from 40 to 125 °C.
Fahrenheit range: Corresponds to 40 to 257 °F.
Combined sensing: Pairs a capacitive humidity sensor with a bandgap temperature sensor.
Self-contained design: Built as a fully self contained digital sensor.

🇱🇧 Why Buy from Technodel?

🚚 Delivery Across Lebanon — 1-3 business days to all regions
🛡️ Warranty — as stated on this product page, plus 30-day returns with a full refund
💬 WhatsApp Support — ask us anything before or after you order
💵 Cash on Delivery — pay when the order reaches you

🛒 Frequently Bought Together

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❓ Common Questions

Real questions customers ask about this product — delivery, warranty, payments & compatibility.

Is this product available in Lebanon?▾

Yes — it is available at Technodel with delivery across all of Lebanon: same-day to Beirut, Sour, Tripoli and surroundings, and 1–2 days to every other region.

Where does Technodel source this product?▾

Technodel sources from established suppliers in Lebanon. The product page states its condition and its warranty, and compatible parts are labelled as compatible.

What warranty comes with this product?▾

Warranty terms are stated on each product page. Where a manufacturer warranty applies, warranty support is handled through Technodel.

How can I pay for this product?▾

Technodel accepts cash on delivery, Wish Money transfer, and cryptocurrency (USDT, BTC, ETH). Delivery is a flat $4 anywhere in Lebanon, free on orders of $500 or more.

What are the main specifications of this product?▾

The specifications table on this page lists the key details (model, capacity/speed, dimensions, connectivity and more). If you need a detail not listed, message us on WhatsApp and we'll confirm it for you.

Is this product suitable for my setup?▾

If you're unsure whether this fits your laptop, PC, console or network, send us a message with your setup and we'll confirm compatibility before you order.

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