Wireless CommunicationMadgeTech Cloud ReadyBattery Life Indicator

The ThermAlert is a precision, wireless temperature data logger. Includes ISO17025 accredited calibration certificate. Read More >

Key Features:

    • Precision RTD Sensing Element
    • Configurable Notifications & Alarms
    • Measures Temperatures from -20 °C to 80 °C

Availability: 5-7 Business Days


Extended Warranty


The ThermAlert is a precision, wireless temperature data logger.

The ThermAlert can measure and record temperatures from -20 °C to +80 °C (-4 °F to +176 °F) with an accuracy of ±0.5 °C. This device provides real-time notifications and user-programmable alarms that alert users via email or text when thresholds are breached, allowing users to take immediate action.

The ThermAlert is compatible with the latest MadgeTech 4 Software making starting, stopping, and downloading simple and easy. Graphical, tabular, and summary data is provided for analysis and can be viewed as customizable engineering units.

The ThermAlert is also MadgeTech Cloud Services ready, providing users the ability to monitor data remotely on any smartphone, tablet or internet enabled device.

Note: RFC wireless interface required.
Please see data sheet for a list of countries approved for use, purchase and distribution.


Memory32,256 readings
Reading Rate1 reading every 2 seconds to 1 reading every 24 hours
Battery Life2 years typical
MaterialABS Plastic
Dimensions2.2 in x 5.25 in x 1.3 in
(55 mm x 133 mm x 33 mm)
IP RatingIP20
Operating Environment-20 °C to +80 °C (-4 °F to 176 °F), 0 %RH to 95 %RH non-condensing
Required Interface PackageRFC1000
ApprovalsUS (FCC), CA (IC), CE


Temperature Range-20 °C to +80 °C (-4 °F to +176 °F)
Temperature Resolution0.01 °C (0.018 °F)
Temperature Calibrated Accuracy±0.5 °C (0 °C to +50 °C)


RF Carrier Frequency2.45 GHz IEEE 802.15.4 ultra-low power MadgeNET wireless transceiver with fully bi-directional communication
Output Power+0 dBm typical
Receiver Sensitivity-95 dBm typical (RFC1000)
Typical outdoors Line of sightUp to 2000 ft
Typical Indoors line of sightUp to 500 ft


ThermAlert Data Sheet

ThermAlert Product User Guide


Part Numbers

ThermAlert — 901694-00