| STT | Model | Mô tả sản phẩm | Xuất xứ |
| 1 | CERMC00 | Room CO2 Transmitter, 0-2000 pmm, Analog Output | GreyStone/Canada |
| 2 | CERMC02 | Room CO2 Transmitter, 0-2000 pmm, Analog Output, 100 Ohm Platinum RTD | GreyStone/Canada |
| 3 | CERMC05 | Room CO2 Transmitter, 0-2000 pmm, Analog Output, 1801 Ohm Thermistor | GreyStone/Canada |
| 4 | CERMC06 | Room CO2 Transmitter, 0-2000 pmm, Analog Output, 3000 Ohm Thermistor | GreyStone/Canada |
| 5 | CERMC07 | Room CO2 Transmitter, 0-2000 pmm, Analog Output, 10,000 Ohm Type 3 Thermistor | GreyStone/Canada |
| 6 | CERMC08 | Room CO2 Transmitter, 0-2000 pmm, Analog Output, 1801 Ohm Thermistor | GreyStone/Canada |
| 7 | CERMC12 | Room CO2 Transmitter, 0-2000 pmm, Analog Output, 1000 Ohm Platinum RTD | GreyStone/Canada |
| 8 | CERMC13 | Room CO2 Transmitter, 0-2000 pmm, Analog Output, 1000 Ohm Nickel RTD | GreyStone/Canada |
| 9 | CERMC14 | Room CO2 Transmitter, 0-2000 pmm, Analog Output, 10,000 Ohm Type 3 Thermistor with 11K Shunt resistor | GreyStone/Canada |
| 10 | CERMC20 | Room CO2 Transmitter, 0-2000 pmm, Analog Output, 20,000 Ohm Thermistor | GreyStone/Canada |
| 11 | CERMC24 | Room CO2 Transmitter, 0-2000 pmm, Analog Output, 10,000 Ohm Type 2 Thermistor | GreyStone/Canada |