Category: CO2


  • CO2 Data Logger with Humidity and Temperature – CL11


    Multi parameter Co2 Data Logger with humidity and 2 temperature channels

    The SW21 software package can easily set to record as required and data can then be downloaded, saved and analysed. Equipped with a stable humidity sensor, ROTRONIC HYGROMER® IN-1, this CO2 data logger offers unbeatable value for money,

    CO2 Data Logger Features: 

    • Includes SW21 software for configuration and data download
    • Measures and logs CO2, relative humidity and temperature
    • Optional external temperature probe
    • Stable HYGROMER® IN-1 ROTRONIC humidity sensor
    • 40,000 data point memory for CO2, humidity, temperature, external temperature values
    • Maximum, minimum and average values displayed
    • Adjustable audible and visual CO2 alarm
  • Handheld CO2, Humidity and Temperature – CP11


    Great value, portable multi parameter CO2 handheld unit

    The CP11  is an economical handheld instrument measuring multiple parameter simultaneously including humidity temperature and CO2 . With psychrometric calculations of dew point and wet bulb temperature also available. The CO2 handheld can be set as required and data can be downloaded, saved and analysed using the ROTRONIC SW21 software, software key is provided and can be downloaded for installation on your computer. This instruments offers unbeatable value for money, equipped with a stable humidity sensor HYGROMER® IN-1. Unit are typically used for indoor air quality including, monitoring in underground car parks (safety), Leak monitoring in filling plants (safety).

    CO2 Handheld Features

    • Measures and logs CO2, relative humidity and temperature.
    • Maximum, minimum and average value display.
    • Calculates dew point.
    • Software key for SW21 included downloading software from website.
    • Hygromer® IN-1 humidity sensor.
    • 18,000 data point memory for CO2, humidity and temperature values.
    • Adjustable audible CO2 alarm.
    • Display with back light
    • Adjustable auto power off function.
    • Mini USB interface
  • CF1 TRANSMITTERS CO2, Humidity and Temperature

    CO2 Transmitter with Temperature and Humidity – CF1

    Call for price

    Compact Economical Humidity, Temperature and CO2 Transmitter

    The CF1 series is a reasonably-priced CO2 measurement transducers with integrated humidity and temperature measurement. The transducer can be adjusted and calibrated for the  humidity and CO2 ranges. Altering the scaling is a easy, with the Rotronic SW21/HW4 software. This unit is exceptional value for money with a stable  Hygromer® IN1 humidity sensor. Its elegant design fits in perfectly in offices, living-rooms, public buildings, etc.

    CO2 Transmitter Features
    • Outputs for CO2, relative humidity, and temperature
    • Adjustable at 35 %RH or 80 %RH
    • Humidity sensor Hygromer® IN-1
    • Scalable analogue voltage or current outputs
    • Single-relay output
    • Three programmable LEDs
    • Compact size
    • Compatible with HW4 software
  • CO2 Display


    This CO2 display is the latest development that simultaneously measures and records CO2, humidity and temperature and can be wall-mounted or sit on a bench-top. Configurable directly via buttons and stored data can be exported to a USB memory stick for analysis with the free ROTRONIC software package SW21. This instrument offers unbeatable value for money, equipped with a stable ROTRONIC HYGROMER® IN-1 humidity sensor.

    Indoor Air Quality for: Open-Plan Offices, Classrooms, Meeting Rooms, Shopping Centers, Fitness Studios...


    • Adjustable, visual CO2 indicator
    • Measures and records CO2, relative humidity and temperature
    • Accuracy ±2.5 %RH / ±0.3 K / ±30 ppm + 5% of measured value
    • Humidity sensor HYGROMER® IN-1
    • 18,000 data point memory for CO2, humidity and temperature values
    • Display of date and time
    • Large, easy-to-read display
    • USB access for data download