Temperature and humidity sensor
Thermaº
Wireless sensors protect your inventory 24/7 from equipment failures, power outages, and human error. Receive alerts via email, SMS or phone call when an issue arises, and unlock predictive equipment maintenance to eliminate costly last minute repairs.
$10 per sensor, per month
Temperature and humidity sensor
Thermaº
Wireless sensors protect your inventory 24/7 from equipment failures, power outages, and human error. Receive alerts via email, SMS or phone call when an issue arises, and unlock predictive equipment maintenance to eliminate costly last minute repairs.
$10 per sensor, per month
1,200+ foot
range with LoRaWAN®,
through thick walls
10 years
battery life
Military grade
data security
10 mins or less
set up time
4G connectivity
no WiFi or Ethernet required


Advanced Features
Effortlessly integrate with all of your business tools via Therma’s open API
Automatically adjust your alert temperature thresholds to keep your alerts meaningful with Therma’s proprietary Smart Alert system
Catch costly equipment problems before they happen with Therma’s Intelligent Machine Learning system, which automatically adapts to each unique piece of equipment
Our Dashboard

Wireless Sensor
- 3 x AAA Batteries
4G Cellular Hub
- Power supply
Quick Start Guide
+/- 0.3°C (0.5°F) temperature accuracy
+/- 2% humidity accuracy (10% – 90% RH)
Thermistor Specifications
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Accuracy at 25°C +/- 0.3°C (0.5°F) Time Constant at 25°C 3 sec Sensor Weight 6.25 oz. Sensor Dimensions 4.4 in x 2.6 in x 1 in Operating Temperature Range -40°C to +125°C (-40°F to +257°F)
Humidity Specifications
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Accuracy ± 2% under normal conditions (10% – 90% RH) RH Operating Range 0-100% RH RH Response Time 8 sec (tau 63%)
AAA Specifications
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Battery Type 3 Replaceable AAA 1.5 V Batteries Supply Voltage 3.3-5.4 V (3 x AAA 1.5V Batteries) Battery Life Included AAA batteries will typically last 2-3 years Max Operating Temperature (AAA Alkaline) -18°C to 55°C (0°F to 130°F) Max Operating Temperature (AAA Lithium) -40°C to 60°C (-40°F to 140°F) Optimal Battery Operating Temperature +10°C to +50°C (+50°F to +122°F)
900 MHz Specifications
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Operating Frequency 900 MHz (United States, configurable for other countries) Certifications Complies with Part 15 of the FCC Rules Device Range Up to 1,500 feet non-line-of-sight Security AES-128 CBC with Diffie-Hellman Key Exchange
Cellular 4G Hub Specifications
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Cellular Technology 4G LTE SIM Card AT&T SIM Card Compatibility Micro-SIM (3FF) 15 mm x 12 mm x 0.76 mm Battery Type Rechargeable 3.7V Lithium Ion Battery Cycle Life 500 times Backup Battery Duration Up to 4 hours Device Memory 50,000 sensor messages
Sensor messages will be stored in the event of Internet
outage and transferred when a connection is restored.
Commercial Hub Specifications
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Hub Weight 10.7 oz Hub Dimensions 5.8 in x 3.8 in x 1.3 in LED Lights Internet Connectivity Status, Power Status, Sensor
Network StatusStorage Temperature -20°C to +60°C (-4°F to 140°F) Operating Temperature +5°C to +45°C (41°F to 113°F)
900 MHz Specifications
-
Operating Frequency 900 MHz (United States, configurable for other countries) Certifications Complies with Part 15 of the FCC Rules Device Range Up to 1,500 ft. non-line-of-sight Security AES-128 CBC with Diffie-Hellman Key Exchange
Refrigerator, cooler, freezer, and low boy temperature monitoring in restaurants, commercial kitchens,
commissary kitchens, food service, hospitality, supermarkets, grocery stores, and convenience stores to detect failure and prevent food spoilage
Warehouse temperature monitoring to save on energy consumption and energy costs, hot spot mapping, and customer accountability
Vacant commercial property or vacation property temperature monitoring to avoid frozen pipes or excessive heat
Server room temperature monitoring
Greenhouse temperature monitoring and humidity monitoring
Agricultural environmental monitoring
Food manufacturing temperature monitoring and humidity monitoring