It is an environmental monitor and controller for carbon dioxide (CO2) gas. The device has 4 relay outputs that can be adjusted with the keys on the device. The HD81 also has an RS485 port for networking and connecting to a PC or a variety of PLCs, HMIs. The communication protocol is MODBUS / RTU. The European Carbon Dioxide Sensor has one year warranty and five years after-sales service.
Technical Specifications of Carbon Dioxide Controller, Temperature and Humidity:
Carbon dioxide measurement range: 0 to 10,000 ppm (ranges of 2, 5 and 30% can be ordered)
Carbon dioxide measurement error: 3% ± read
Serial port: RS485-MODBUS / RTU
LCD Display: Carbon Dioxide / Humidity / Temperature
Output Type: Four Relays 1 Amp
Length × Width × Height: 200 * 95 * 60 mm
Weight: 300 g
Carbon Dioxide Applications
Labs
Greenhouses (hydroponic greenhouses)
Poultry, dairy and livestock
Mushroom cultivation halls
Cold storage of meat and fruit
HVAC air conditioning, warehouse, server room etc ..
Features and Features of Carbon Dioxide Controller Display
LCD display
The key to adjusting
4 Output Relay / RS485 port with MODBUS/RTU protocol
Temperature sensors, where the cable length of each sensor can be increased up to 5 meters
Power isolation of serial ports and sensors
Optical carbon dioxide sensor with 5 years of life and simple calibration
Characteristics of carbon dioxide display and controller: