Sauermann CO2 transmitters CO2ST-S

Sauermann CO₂ Transmitter CO2ST-S

The Sauermann CO2ST-S is a compact and efficient carbon dioxide transmitter equipped with both visual and audible alarms for immediate air quality alerts. Designed for real-time CO₂ monitoring, it features a clear 1-line display and a reliable relay output for automated control actions. Its precision and compliance with stringent safety standards make it ideal for environments where air quality is a priority.

Features

1. Accurate CO₂ measurement in ppm for indoor air quality control

2. Built-in red LED indicator and internal buzzer for immediate alarm signaling

3. 1-line display for quick real-time reading on-site

4. RCR relay output for automated ventilation or safety responses

5. Lightweight and space-saving design with IP20 protection

6. Fully compliant with UKCA and EU regulations for performance and safety

Applications

• Indoor air quality monitoring in offices, classrooms, and meeting areas

• HVAC systems requiring automated CO₂-based control

• Public buildings and facilities where air safety is monitored

• Greenhouses or controlled environments requiring precise CO₂ regulation

Specifications

• Measurement units: ppm

• Parameters: CO₂

• Alarm: Red LED in front and internal buzzer

• Display: 1-line display

• IP Protection: IP20

• Standards: UKCA, 2011/65/EU RoHS II, 2012/19/EU WEEE, 2014/30/EU EMC, 2014/35/EU Low Voltage

• Power supply: 24 Vac/Vdc

• Relay: 1 RCR relay 3 A / 230 Vac

• Communication: No Ethernet, No ModBus

• Dimensions: 90 × 41 × 80 mm

• Weight: 138 g

• Operating temperature: 0°C to 50°C

• Storage temperature: -10°C to 70°C

Conclusion

The Sauermann CO2ST-S offers reliable CO₂ monitoring with the added advantage of built-in alarms, making it a smart choice for applications where immediate response to poor air quality is essential. Its compact design, robust performance, and compliance with international standards ensure dependable operation across a variety of settings.