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Create safer spaces with real-time air quality, smoke, vape, and volatile chemical monitoring. The E2 reveals powerful insights so you can speed up incident responses with real-time alerts.

E2 Sensor Specifications


100mm (4in) x 100mm (4in) x 40mm (1.6in)


Up to 100m (328.04ft) from a Rhombus Sensor Network base


Powered by MicroUSB

Humidity Measurement

±3.5% from 20% to 80% relative humidity, ±5% from 0%-20% and 80%-100%

Temperature Measurement

-40°C to 85°C (-40°F to 185°F). Accuracy of ±0.5°C from 15 to 40°C (59 to 104°F) and ±1.0°C outside that range


Indoor Air Quality (IAQ), Estimated carbon dioxide levels (eCO2), Total volatile organic compounds (TVOC), Smoke, Vape, Particulate matter


Mounting bracket, screws, and anchors included

Outdoor Use

For use indoors or outdoors if protected from moisture


Supports external temperature probe via jack (optional); Includes 120V AC Adapter to Micro USB

2-Year Warranty Included

E2 sensor with dimensions
Poduim with two Rhombus cameras and a computer and phone showing the console

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