Element HT


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  • Wireless two-way communication
  • -4 to 140°F (-20 to 60°C) temp range
  • ±0.9°F (±0.5°C) calibrated temp accuracy
  • 0 to 95% humidity range
  • ±3.0 %RH/±2.0 %RH humidity accuracy
  • ISM band 2.405-2.48 GHz band
  • 1 reading per second up to 1 reading every 24 hours
  • 16,128 per channel memory

What's in the Box

  • NIST traceable calibration certificate

The MadgeTech Element HT Humidity & Temperature Data Logger is a wireless temperature and humidity data logger with digital display. The Element HT is ideal for both HVAC studies and everyday temperature and humidity monitoring in both grow and storage rooms. Designed with external humidity and RTD based temperature sensors, the device provides a fast response time for both parameters.

The Element HT features user programmable alarm settings for both temperature and humidity parameters. An audible buzzer and LED alarm indicator notifies users when the temperature or humidity is above or below the threshold set in the alarm. This allows growers to take action faster, saving plants, time and money. Email and text alarms can also be configured and sent from within the software, allowing users to be notified almost anywhere.

The Element HT can be used as a single, wireless data logging system, or it can be expanded to a large scale system, which can include hundreds of data loggers measuring a number of areas (additional MadgeTech wireless data loggers and transceivers may be required). The Element HT utilizes the latest MadgeTech Software, version 4.1. MadgeTech Data Logger Software is a powerful, analytic tool. Data can be viewed in graphical or tabular formats and summary and statistics views are available for further analysis. The software features export to Excel®, data annotation, digital calibration and more.

Applications for the Element HT include:

  • Clean Rooms
  • Laboratories and Hospitals
  • Medical and Pharmaceutical
  • Warehouse mapping
  • Storage of Perishable Goods
  • Chemical Storage
  • Incubator Monitoring
  • Greenhouse Monitoring
  • HVAC
  • Bakery/Cereal Production

Required Components

These additional components are required for the operation of your product. We strongly advise you to purchase these components unless you already own them or own a suitable alternative.

MadgeTech RFC1000 Wireless Receiver
Designed to communicate between MadgeTech’s two-way wireless data loggers and MadgeTech software


MadgeTech U9VL-J Lithium Battery
9.0 Volt, Lithium Battery, 1200 mAH


MadgeTech MT-AluCase Briefcase
Aluminum data logger briefcase, lightweight, durable, 14 or 18 inch wide


Please consider these optional accessories.

MadgeTech RFC1000 Cloud Relay
Transmits real-time and recorded information from up to 64 data loggers directly to the MadgeTech Cloud


This product can be used in the following applications: