CO₂ Monitor/Alarm
EC-AT-VLB-01

Basic CO₂ (carbon dioxide) Monitor with LED 'traffic light' level indicators, with relay output for alarm!

CO₂ & Temperature Monitor/Alarm
EC-AT-VL-01

CO₂ (carbon dioxide) and Temperature Monitor with LCD Display and LED 'traffic light' level indicators.

RH, CO₂ & Temperature Logger
ECV-CLIMATREND

RH, CO₂ and Temperature high accuracy (13-bit) data logger with LCD Display, records 32,000 values.