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Extech Instruments 445703 Hygro-Thermometer

This large-digit hygrometer and thermometer features 1-inch high digits displayed on a sizable LCD (3.1 inches by 2.4 inches), providing simultaneous measurements of humidity and temperature. It is ideal for use in factories, greenhouses, and offices to maintain optimal environmental conditions and record maximum and minimum levels during the day. The device offers maximum and minimum memory functions with reset capability, CE approval, and a temperature unit switch between Celsius and Fahrenheit. It includes low battery indication, a built-in tilt stand, wall mounting bracket, and is powered by a 1.5V AAA battery. The measurement ranges are from 14°F to 140°F (-10°C to 60°C) for temperature and 10% to 99% relative humidity. Dimensions are 4.3 inches by 3.9 inches by 0.78 inches (110mm x 100mm x 20mm), and it weighs 169 grams. Suitable for test and measurement applications.

Authorized Distributors
Source:Newark
Part No:445703
Stock:14
Inv Date:06-21-2026
Price: Unit price: $51.99
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Source:DigiKey
Part No:445703
Stock:95
Inv Date:06-21-2026
Price: Unit price: $51.99
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Part No:445703
Stock:16
Inv Date:06-21-2026
Price: Unit price: $51.99
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Part No:445703
Stock:13
Inv Date:06-21-2026
Price: Unit price: $51.99
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Part No:445703
Stock:38
Inv Date:06-20-2026
Price: Unit price: $44.18
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Part No:445703
Stock:0
Inv Date:06-21-2026
Price: Unit price: $51.82
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Part No:445703
Stock:5
Inv Date:06-17-2026
Price: N/A
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Source:TRANSCAT
Part No:445703
Stock:4
Inv Date:06-15-2026
Price: N/A
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Part No:445703
Stock:5
Inv Date:06-20-2026
Price: Unit price: $60.99
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Authorized Distributors
Part No:445703
Stock:1
Inv Date:06-20-2026
Price: Unit price: $51.99
Buy/RFQ:
Part No:445703
Stock:0
Inv Date:06-21-2026
Price: Unit price: $51.82
Buy/RFQ:
Part No:445703
Stock:6
Inv Date:06-20-2026
Price: N/A
Buy/RFQ:
Part No:445703
Stock:1
Inv Date:05-11-2026
Price: N/A
Buy/RFQ:

Extech Instruments 445703 Hygro-Thermometer Specifications:

  • Humidity range: 10% to 99% RH
  • Temperature range: 14°F to 140°F (-10°C to 60°C)
  • Humidity accuracy: ±5% (25% to 80%)
  • Temperature accuracy: ±1.8°F / ±1°C (14°F to 122°F)
  • Display: 1-inch high digits on large LCD (3.1 x 2.4 inches)
  • Dimensions: 4.3 x 3.9 x 0.78 inches (110 x 100 x 20mm)
  • Weight: 5.97 oz (169g)
  • Features: Max/min memory, reset, low battery indicator, CE approved
  • Power supply: 1.5V AAA battery
  • Additional: Built-in tilt stand, wall mounting bracket
  • Switchable temperature units: Celsius and Fahrenheit

Buy the NTE Advantage – Reliable Hygro-Thermometer for Industrial Applications

Get your NTE Advantage Hygro-Thermometer online now to accurately measure humidity and temperature in industrial, greenhouse, and office settings. With large 1-inch digits on a clear LCD display, it provides easy reading of current, maximum, and minimum levels. Its versatile features include reset functions, low battery alerts, and switchable temperature units for Celsius or Fahrenheit. Compact and lightweight, it comes with a tilt stand and wall bracket, powered by a reliable AAA battery, ensuring dependable environmental readings for your critical applications.

Order your NTE Advantage large-digit Hygro-Thermometer today and ensure precise environmental monitoring in your factories, greenhouses, or offices.

Frequently Asked Questions

Where can I buy Extech Instruments 445703?

You can click on the BUY or RFQ button to purchase 445703 from an authorized Extech Instruments distributor.

How do I troubleshoot issues or seek technical support for part 445703?

You can download the 445703 datasheet or visit the Extech Instruments website for support.

Who is the manufacturer of 445703?

Extech Instruments

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