HTC-2 Digital Temperature and Humidity Meter

The HTC-2 Digital Temperature and Humidity Meter is an advanced multi-function thermo-hygrometer that combines temperature, humidity, and time display in one device. It’s equipped with an external temperature sensor probe for indoor and outdoor monitoring, making it ideal for environmental control, HVAC applications, and Arduino-based automation projects.

This smart meter is perfect for tracking climate conditions in rooms, laboratories, incubators, greenhouses, workshops, and server rooms. The large LCD screen provides a clear dual-temperature display, while the clock and alarm functions add extra convenience.

Key Features

✅ Dual Temperature Display: Monitors both indoor and outdoor temperatures in °C or °F.
✅ Humidity Measurement: Displays real-time relative humidity (RH%) for comfort and control.
✅ External Probe: Comes with a long wired sensor for remote temperature sensing.
✅ Clock & Alarm: Built-in digital clock with daily alarm and 12/24-hour format.
✅ Max/Min Memory: Stores previous temperature and humidity readings.
✅ Wall-Mount or Desk Stand: Easy installation anywhere.
✅ Battery Powered: Operates on a single AAA battery (included).

Technical Specifications

• Model: HTC-2

• Temperature Range (Indoor): –10°C to +50°C

• Temperature Range (Outdoor): –50°C to +70°C

• Humidity Range: 10% – 99% RH

• Accuracy: ±1°C (temperature), ±5% RH (humidity)

• Display: Large dual LCD

• Power Supply: 1 × AAA 1.5V battery

• Functions: Clock, alarm, max/min memory, °C/°F switch

• Mounting Type: Wall mount / tabletop stand

• Dimensions: 110 × 100 × 22 mm

How It Works

The HTC-2 meter uses a precision temperature and humidity sensor for indoor readings and an external thermistor probe for outdoor measurement. It continuously samples the air, displaying real-time data on its digital screen. Ideal for use with Arduino or IoT projects, the HTC-2 can be integrated to record climate conditions automatically.

Applications

🌿 Home & Office Climate Monitoring – Keep your environment comfortable.
🥚 Incubators & Greenhouses – Maintain stable temperature and humidity levels.
🧪 Laboratories & Workshops – Monitor critical environmental conditions.
🖥️ Server Rooms & Data Centers – Prevent overheating or moisture issues.
🐍 Reptile Enclosures & Pet Terrariums – Ensure optimal living conditions.

Precautions

⚠️ Avoid placing near heat sources or vents.
⚠️ Keep the external probe dry for accurate readings.
⚠️ Replace battery when display dims or readings fluctuate.
⚠️ Calibrate periodically if used in professional applications.

Internal Links

• Electronics Components

• Arduino and Accessories

• Sensors and Modules

• Tools and Accessories

YouTube Tutorial

🎥 Watch: How to Use HTC-2 Digital Temperature & Humidity Meter

Summary

The HTC-2 Digital Temperature and Humidity Meter offers accurate environmental monitoring for indoor and outdoor conditions. With its dual temperature display, humidity sensor, clock, and alarm, it’s an excellent tool for homes, offices, laboratories, and greenhouses. Easy to install, highly reliable, and battery-operated, the HTC-2 is the perfect companion for maintaining ideal climate conditions in any setting.