Extech 445703 Big Digit Hygro-Thermometer with 1 in. Digits on Super Large LCD, 14 to 140°F

The Extech 445703 Big Digit Hygro-Thermometer is an easy-to-use, accurate tool for monitoring indoor temperature and humidity levels. Its standout feature is the large LCD screen with 1-inch digits, providing clear and effortless readability even from a distance.

Designed to measure humidity from 10% to 99% and temperatures ranging from 14 to 140°F (or -10 to 60°C), this device is ideal for home, office, greenhouse, and similar indoor settings. It delivers reliable readings with a ±5% RH and ±1.8°F (±1°C) accuracy rating.

The unit includes max/min memory functionality with a reset button, allowing users to view high and low readings over time and clear the data when needed. Whether you're maintaining comfortable living conditions or ensuring environmental stability for sensitive items or spaces, the Extech 445703 offers dependable monitoring in a compact, readable design.

What's Included:

• 1 - Stand
• 1 - Wall Mounting Bracket
• 1 - AAA Battery

Features

Large, Easy-to-Read Display
Features a super large LCD with 1-inch digits for excellent visibility from across the room.

Simultaneous Temperature and Humidity Readings
Measures and displays humidity from 10% to 99% and temperature from 14 to 140°F (or -10 to 60°C).

High Accuracy Performance
Delivers reliable results with ±5% RH and ±1.8°F (±1°C) accuracy for both humidity and temperature readings.

Min/Max Memory with Reset
Tracks maximum and minimum values over time and includes a reset function for fresh data collection.

Versatile Mounting Options
Includes a stand and wall mounting bracket, allowing for desktop or wall installation to suit your setup.

What's Included

Included with Your Purchase:

• 1 - Stand
• 1 - Wall Mounting Bracket
• 1 - AAA Battery

Specifications

• Temperature Range: 14 to 140°F (or -10 to 60°C)
• Humidity Range: 10% to 99% RH
• Temperature Accuracy: ±1.8°F (±1°C)
• Humidity Accuracy: ±5% RH
• Display: 1" digits on large LCD
• Power: 1 x AAA Battery
• Model Number: 445703
• Condition: NEW
• UPC: 793950445730

FAQ

Q: Does the thermometer track high and low readings?
A: Yes, it features a max/min memory with reset for monitoring changes over time.

Q: What kind of battery does it use?
A: The device operates using one AAA battery, which is included.

Q: Can it be mounted on a wall?
A: Yes, it comes with a wall mounting bracket as well as a stand for desktop use.

Q: Is the display easy to read?
A: Absolutely. The LCD features large 1-inch digits for excellent visibility.

Resources

Documents:

• Extech 445703 Datasheet
• Extech 445703 Manual