Elta 149-EC-CO2TH3M Room Sensor CO2, Temperature and Humidity 0-10V Modbus
from this shop’s own product feed
Price history
We started tracking this price on 28 Oct 2026. The chart fills in as prices change, so you can see whether today’s price is a good one.
Where to buy
AdThese are affiliate links: AdvantageLife earns a commission if you buy, at no extra cost to you.
Not in the rewards plan
Prices come from each shop’s own product feed and are checked daily; the shop’s own site always has the final price and delivery cost. AdvantageLife earns a commission when you buy through these links; it never changes the price you pay. For shops marked Team rewards, AdvantageLife shares that commission with qualifying members under the Deal Finder rewards plan once the shop has paid. Amazon purchases earn no member rewards.
About this product
The Elta 149-EC-CO2TH3M is a room sensor that measures CO2, temperature and relative humidity and gives a 0-10V output for each, so EC fans or speed controllers can ramp ventilation to real occupancy. This is the Modbus version, with RS-485 Modbus RTU for connection to a BMS.It runs on 24V AC/DC or 230V 50/60Hz, the outputs are configurable 0-10V or 2-10V, a volt free relay can raise a CO2 alarm, and a traffic light LED shows the CO2 level to occupants. CO2, temperature and RH sensor 3 x 0-10V outputs RS-485 Modbus RTU What it is best used forDemand controlled ventilation in classrooms, offices, meeting rooms, lecture theatres, gyms and changing rooms, where occupancy varies through the day and running fans flat out wastes energy. Elta state it complies with Part F guidance for CO2 monitoring, and the traffic light LED gives occupants a visible prompt.It is a sensor, not a controller: it…
Earn from your team’s shopping
Members with a $20 package earn rewards when the people they invite shop through AdvantageLife. Joining is free.
Join AdvantageLife free