Delta-T Alert Pro Sensor

A Simple Device with Staggering Results

Overview Image


Delta-T Alert Pro Sensor™ is a wireless, self-contained temperature and humidity monitoring system with sensors that attach to your electrical enclosures. The patented units contain a humidity sensor and two temperature sensors, one to monitor the electrical enclosure’s interior temperature and the second to monitor the room’s ambient temperature. There is a plugin auxiliary contact thermocouple for mounting inside the enclosure. The data is wirelessly transmitted for analysis and trending. The system can remotely alarm your support teams with the details and location of the temperature alarm and locally indicate readings and alarms on the built-in LCD screen on the sensor.

24-Hour Condition Monitoring

Safely bridges the gap between scheduled inspection routes by monitoring and reporting asset condition/temperature, effectively tracking system reliability and providing notification of any critical issues that may arise.

Inexpensive & Easy to Install

Low-cost hardware contains 2 temperature monitors, recording both internal and ambient temperatures. Simply mount with a single drill hole or permanent magnet, then pair in just 2 minutes with gateway and software.

Customized Settings & Reporting

Regardless of environment, the customizable settings for temperature disparity allow for accuracy in both alarm settings and condition reporting to track and trend asset performance and health to increase reliability.


Continuously Powered System with Display

Polymer based IR windows are far more able to resist the mechanical stresses applied to IR window that are fitted to electrical distribution equipment. It was IRISS that first came to market with industrial grade IR windows that could meet the mandatory impact and load testing requirements of UL, CSA, IEEE, IEC, CE testing that could never be passed by any crystal based IR window.

Custom Reporting & Scheduling

Set schedules and get reports instantly.

Proudly Made in the United States

IRISS manufactures and assembles all products at our global headquarters located in Bradenton, FL.

350ft Wireless Connectivity

Each Delta-T sensor communicates wirelessly to the Delta-T Gateway with range of up to 350ft unobstructed. Walls, equipment and other obstructions may reduce the effective range. Up to 230 Delta T sensors can communicate to a single Delta T Gateway and multiple Gateways can be tied together to create your total monitoring system.

Dual Temperature & Humidity Sensors

Delta-T Sensors communicate the Internal Equipment Air Temperature, the Ambient Air Temperature and the Relative Humidity back through the Delta T Gateway. Data is logged via the Delta T Software and trend plots can be viewed for each Delta T Sensor.

Fast and Easy Installation

Following a few simple instructions, IRISS inspection windows can be quickly installed on switchgear and MCC panel covers, as well as transformers and other electrical equipment. Each window comes with an installation guide, as well as links to installation videos.

Color Coded Notification Screen

The screen clearly indicates the humidity ambiance plus auxiliary reading on a built-in LCD.

Visible Alarm Notification

The Delta-T Alert Pro sensor’s screen will automatically switch into alarm, flashing red and highlighting the monitored value that triggered the alarm for rapid local response to a potential issue.


General Specifications
Operating Temperature -40°C (-40°F) to 85°C (185°F)
Body Material UL 94 5VA Nylon (switchgear-grade plastic); -40°C (-40°F)to 273°C (523°F)
Display Graphic LCD Display Transmissive (RGB) 1.44” (36.57mm) 128 x 128 pixels
Connectors and interfaces 1x Mini USB connector for power
1x Mini USB connector for communications with Sensor Expansion Pack or auxiliary thermal couple
Back up Channel Yes
Real Time Clock Yes
Over The Air Updates Yes
Audio Alarm Yes
Compliances FCC, IC CE ANZ
Dimension and Sensor Specifications
Dimensions 69.9 x 114.3 x 48.3 (2.75 x 4.5 x 1.9in)
Weight 104g (0.23lb)
Wireless Technology Z-WaveTM 5th Gen
RF Range 50 ft Optimum / Up to 300 ft Line of Sight
Temperature Reading Accuracy +/- 0.5°C (+/- 32.9°F)
Humidity Reading Accuracy +/- 1%
Thermocouple Reading Accuracy +/- 0.5°C (+/- 32.9°F)
Frequency 908.40 MHz, 916.00 MHz 868.40 MHz, 869.85 MHz 919.80 MHz, 921.40 MHz
Daily Scheduled Reports Up to 8
On Demand Status Report Yes
Critical Alarm Reports Yes
Inspection Capabilities and Applications
Temperature Yes
Humidity Yes
Ultrasound Yes (Sensor Expansion Pack Coming late 2018)
CT Yes (Sensor Expansion Pack Coming late 2018)
Medium/High Voltage Applications Yes
Power Supply 500 mA output max 5 Volts
Operating Voltage 5 Volts
Applications Delta T Alert
System Requirements Minimum Recommended
Operating System Windows XP Windows 7 or Higher
Processor Speed 500 MHz 1 GHz
Free Hard Disk Space 5 GB 10 GB
Display Resolution 800 x 600 800 x 600 or Higher
Warranty Unconditional Lifetime Warranty
View Full Specification

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