Temperature and humidity sensor

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

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 LoRa,
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

Place and Go Installation

Therma sensors are easy to place and don’t require wiring or drilling. The sensors automatically connect to a 4G hub with no WiFi or configuration required. Get set up and running in minutes.

Learn more about
how Therma works

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

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Save time and improve your
bottom line today with Therma

Wireless Sensor

  • Zip ties
  • 2 x AA Batteries

4G Cellular Hub

  • Activated AT&T SIM card
  • Power supply

Quick Start Guide

+/- 1°C (1.8°F) accuracy

+/- 3% accuracy (between 10% – 90% RH)

Available with an external temperature probe

Thermistor Specifications

  • Accuracy at 25°C +/- 1% (1° C or 1.8° F)
    User Calibrated Accuracy +/- 0.25° C (± 0.45° F)
    Time Constant at 25°C 15 sec max
    Weight 3.7 oz. (without probe)
    Probe Operating Temperature Range -40°C to +125°C (-40°F to +257°F)

Humidity Specifications

  • Accuracy ± 3% under normal conditions (10% – 90% RH)
    RH Operating Range 0-100% RH
    RH Response Time 8 sec (tau 63%)

AA Specifications

  • Battery Type 2 Replaceable AA 1.5 V Batteries
    Dimensions 4.375 in x 2.470 in x 1.12 in
    Supply Voltage 2.0 – 3.8 V (2 x AA 1.5V Batteries)
    Battery Life Included AA batteries will typically last 8-10 years
    Max Operating Temperature Using AA Alkaline -18°C to 55°C (0°F to 130°F)
    Max Operating Temperature Using AA 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)
    Enclosure Material ABS

900 MHz Specifications

  • Frequency 900 MHz
    Certifications
    Complies with Part 15 of the FCC Rules (FCC ID: ZTL-G2SC1)
    Complies with Industry Canada standards (IC: 9794A-G2SC1)
    Device Range Up to 1,200 feet non-line-of-sight
    Security Encrypt-RF® (Diffie-Hellman Key Exchange + AES-128 CBC)

Cellular 4G Hub Specifications

  • Cellular Technology LTE CAT-M1
    SIM Card AT&T
    SIM Card Compatibility Micro-SIM (3FF) 15 mm x 12 mm x 0.76 mm
    Battery Type Rechargeable Lithium Polymer
    Battery Cycle Life 500 times
    Device Memory 50,000 sensor messages. Sensor messages will be stored in the event of Internet outage and transferred when a connection is restored.

Humidity Specifications

  • Accuracy ± 3% under normal conditions (10% – 90% RH)
    RH Operating Range 0-100% RH
    RH Response Time 8 sec (tau 63%)

Commercial Hub Specifications

  • Dimensions 5.004 x 3.8 x 1.51 in.
    Enclosure Material ABS
    LED Lights Internet Connectivity Status, Server Status, Sensor Network Status
    Storage Temperature -20 to +60°C (-4 to 140°F)
    Operating Temperature +5 to +45°C (41 to 113°F)

900 MHz Specifications

  • Operating Frequency 900 MHz
    Certifications
    Complies with Part 15 of the FCC Rules (FCC ID: ZTL-G2SC1)
    Complies with Industry Canada standards (IC: 9794A-G2SC1)
    Device Range Up to 1,200 ft. non-line-of-sight
    Security Encrypt-RF® (Diffie-Hellman Key Exchange + AES-128 CBC)

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