CO₂
COMET T5340 – CO₂ Transmitter with Internal Sensor, RS232
Comet H5024 – CO2 Transmitter with Two Relay Outputs
The Comet H5024 is a CO2 transmitter featuring two relay outputs.
COMET H5324 – CO₂ Controller with 2 Relays
COMET T5341 – CO₂ Transmitter with External Probe, RS232
COMET H5321 – CO₂ Controller, External Probe, 2 Relays, RS232
COMET H5421 CO₂ Sensor with External Probe, 2 Relays