Skip to Main Content
  • Instrumart
Instrumart logo
  • Products
  • Brands
  • Applications
  • Lab
  • Blog
  • Account
  • Email Us
  • 1-800-884-4967
  • What can we help you find?

    Can’t find what you’re looking for? Contact one of our engineers today. We’re open Mo-Th 8am to 5:30pm. Fr 8am to 5pm ET.
    • 1-800-884-4967
    • Email Us
    • Live Chat
  1. Humidity Meters

Extech 445713-TP Hygro-Thermometer

Big digit hygro-thermometer displays indoor/ outdoor temperatures and indoor humidity reading simultaneously.

Extech 445713-TP Hygro-Thermometer
Extech 445713-TP Hygro-Thermometer
Retired products cannot be ordered
The Extech 445713 Indoor / Outdoor Hygro-Thermometer is the recommended replacement.

View Company Reviewsby Trustpilot
Part Number
  • 445713-TP
Manufactured
  • By Extech
Includes
  • FREE Ground Shipping on orders of $1,000 or more
  • FREE Lifetime Tech Support
Questions?
Call 1-800-884-4967 or Email Us.
Open Mo-Th 8am to 5:30pm. Fr 8am to 5pm ET.
Trustpilot

Overview

Features

  • Temperature Ranges:
    • External Probe -58 to 158°F (-50 to 70°C)
    • Internal Sensor 32 to 122°F (0 to 50°C)
  • Internal Relative Humidity Range: 20% to 99% RH
  • Basic accuracy of ±1.8°F (±1.0°C), ± 5% RH
  • Max/Min with “reset” function
  • Dimensions: 4.3 x 3.9 x 0.78" (109 x 99 x 20mm)
  • Weight: 6oz (169g)

What's in the Box

  • Built-in stand
  • Wall mounting bracket
  • Detachable outdoor sensor with 9.75ft (3m) cable
  • 1.5V AAA battery

Description

The Extech 445713-TP hygro-thermometer is a versatile instrument that simultaneously displays indoor temperature and relative humidity and outdoor temperature. The big digit display ensures the results can be seen from across a room.

The 445713-TP features selectable temperature units and Min/Max memory with reset. The slender detachable remote probe can be placed through small openings to take outdoor temperature from -58 to 158°F (-50 to 70°C). This can also be used to monitor temperature differences in two areas close to each other with probe cable length being 9.75ft (3m). Unit can be set on a desk top with built-in stand or hung on a wall.

Documents

Documents

  • Extech 445713-TP Hygro-Thermometer Datasheet PDF (181 KB)

Need Help? Call a Temperature engineer at 1-800-884-4967

We're open Mo-Th 8am to 5:30pm. Fr 8am to 5pm ET

David S. headshot David S.
Applications Engineer
Dwight M. headshot Dwight M.
Senior Applications Engineer
28 years at Instrumart
Rhys D. headshot Rhys D.
Applications Engineer
Ron J. headshot Ron J.
Temperature Engineering Lead
29 years at Instrumart
Alex A. headshot Alex A.
Senior Applications Engineer
19 years at Instrumart
Luke M. headshot Luke M.
Applications Engineer
6 years at Instrumart
Shawn D. headshot Shawn D.
Senior Applications Engineer
20 years at Instrumart
David S. headshot David S.
Applications Engineer
Dwight M. headshot Dwight M.
Senior Applications Engineer
28 years at Instrumart
Rhys D. headshot Rhys D.
Applications Engineer
Ron J. headshot Ron J.
Temperature Engineering Lead
29 years at Instrumart
Alex A. headshot Alex A.
Senior Applications Engineer
19 years at Instrumart
Luke M. headshot Luke M.
Applications Engineer
6 years at Instrumart
Shawn D. headshot Shawn D.
Senior Applications Engineer
20 years at Instrumart
David S. headshot David S.
Applications Engineer

Recently Viewed

Extech 445713-TP Hygro-Thermometer
Extech 445713-TP Hygro-Thermometer
United States Canada Mexico
Shop
Products
Brands
Applications
Support
Customer Service
Ask a Question
Live Chat
Track Order
Fraud Prevention
Financing
Our Company
Blog
About Us
Contact Us
Jobs
Travel Information
Our Team
Privacy Policy
Terms and Conditions of Sale
Terms and Conditions of Purchase
Accessibility Statement
Connect
1-800-884-4967
sales@instrumart.com
Instrumart
35 Green Mountain Dr
S Burlington, VT 05403 US
Mo-Th 8:00am to 5:30pm ET
Fr 8:00am to 5:00pm ET
Join Us on Facebook
Follow Us on X

Instrumart is a member of a family of industrial stores

Instrumart Compressor World Pump World BioPharm World Filtration World Motion World Qualitrol Engineered Solutions Wholesale Air Pipe
© Instrumart 2025

Family of Industrial Stores

Welcome to our family of stores, your go-to source for a wide selection of commercial and industrial products in the flow control and automation sectors. Each store features a curated range of specialized industrial solutions, with many items designed to complement each other, ensuring you can find everything you need for your specific application. Explore the stores below to discover our extensive product offerings for your business needs.

  • Instrumart

    Shop Industrial and Laboratory Instruments.

    Shop Now!
  • Compressor World

    Shop Compressed Air Equipment.

    Shop Now!
  • Pump World

    Shop Industrial, Water, and Waste Water Pumps.

    Shop Now!
  • BioPharm World

    Shop Sanitary Process Solutions and Products.

    Shop Now!
  • Filtration World

    Shop Industrial Filters.

    Shop Now!
  • Motion World

    Shop Motion Control and Process Automation Systems.

    Shop Now!
  • Qualitrol

    Shop Remanufactured or Repair Automation Products.

    Shop Now!
  • Engineered Solutions

    Shop Custom Engineered and Manufactured Systems.

    Shop Now!
  • Wholesale Air Pipe

    Shop Air Piping.

    Shop Now!