Industrietechnik
Room-mounted temperature, humidity and CO₂ transmitter
TCO2AU transmitter series with automatic calibration sets new standards in CO₂ measurement for HVAC applications. It combines the measurement of the carbon dioxide level, temperature and relative humidity. Models with or without display are available.
Articles
(24 st)-
TCO2AUCO2 + °C + RH- Measuring range, temp
- 0…50 °C
- Output temperature
- 0-10 V
- Output humidity
- 0-10 V
- Output signal, gas in air
- 0-10 V
- Accuracy, gas in air
- < ± (50 ppm + 2 % of the measured value) (25 °C)
- Response time
- < 90 sec
- Warm-up time
- < 5 min
- Temperature dependance
- Typically 5 ppm / K
-
TCO2AU-PT100CO2 + RH + PT100, 100 Ohm (0°C)- Measuring range, temp
- 0…50 °C
- Output humidity
- 0-10 V
- Output signal, gas in air
- 0-10 V
- Accuracy, gas in air
- < ± (50 ppm + 2 % of the measured value) (25 °C)
- Warm-up time
- < 5 min
- Temperature dependance
- Typically 5 ppm / K
-
TCO2AU-PT1000CO2 + RH + PT1000, 1000 Ohm (0°C)- Measuring range, temp
- 0…50 °C
- Output humidity
- 0-10 V
- Output signal, gas in air
- 0-10 V
- Accuracy, gas in air
- < ± (50 ppm + 2 % of the measured value) (25 °C)
- Warm-up time
- < 5 min
- Temperature dependance
- Typically 5 ppm / K
-
TCO2AU-NTC1.8CO2 + RH + NTC 1.8, 1800 Ohm (25°C)- Measuring range, temp
- 0…50 °C
- Output humidity
- 0-10 V
- Output signal, gas in air
- 0-10 V
- Accuracy, gas in air
- < ± (50 ppm + 2 % of the measured value) (25 °C)
- Warm-up time
- < 5 min
- Temperature dependance
- Typically 5 ppm / K
-
TCO2AU-NTC2.2CO2 + RH + NTC 2.2, 2252 Ohm (25°C)- Measuring range, temp
- 0…50 °C
- Output humidity
- 0-10 V
- Output signal, gas in air
- 0-10 V
- Accuracy, gas in air
- < ± (50 ppm + 2 % of the measured value) (25 °C)
- Warm-up time
- < 5 min
- Temperature dependance
- Typically 5 ppm / K
-
TCO2AU-NTC10-01CO2 + RH + NTC 10, 10 kOhm (25°C)- Measuring range, temp
- 0…50 °C
- Output humidity
- 0-10 V
- Output signal, gas in air
- 0-10 V
- Accuracy, gas in air
- < ± (50 ppm + 2 % of the measured value) (25 °C)
- Warm-up time
- < 5 min
- Temperature dependance
- Typically 5 ppm / K
-
TCO2AU-NTC10-02CO2 + RH + NTC 10, 10 kOhm (25°C)- Measuring range, temp
- 0…50 °C
- Output humidity
- 0-10 V
- Output signal, gas in air
- 0-10 V
- Accuracy, gas in air
- < ± (50 ppm + 2 % of the measured value) (25 °C)
- Warm-up time
- < 5 min
- Temperature dependance
- Typically 5 ppm / K
-
TCO2AU-NTC10-03CO2 + RH + NTC 10, 10 kOhm (25°C)- Measuring range, temp
- 0…50 °C
- Output humidity
- 0-10 V
- Output signal, gas in air
- 0-10 V
- Accuracy, gas in air
- < ± (50 ppm + 2 % of the measured value) (25 °C)
- Warm-up time
- < 5 min
- Temperature dependance
- Typically 5 ppm / K
-
TCO2AU-NTC20CO2 + RH + NTC 20, 20 kOhm (25°C)- Measuring range, temp
- 0…50 °C
- Output humidity
- 0-10 V
- Output signal, gas in air
- 0-10 V
- Accuracy, gas in air
- < ± (50 ppm + 2 % of the measured value) (25 °C)
- Warm-up time
- < 5 min
- Temperature dependance
- Typically 5 ppm / K
-
TCO2AU-NI1000-01CO2 + RH + Ni1000, 1000 Ohm (0°C)- Measuring range, temp
- 0…50 °C
- Output humidity
- 0-10 V
- Output signal, gas in air
- 0-10 V
- Accuracy, gas in air
- < ± (50 ppm + 2 % of the measured value) (25 °C)
- Warm-up time
- < 5 min
- Temperature dependance
- Typically 5 ppm / K
-
TCO2AU-NI1000-02CO2 + Umidità + Ni1000- Measuring range, temp
- 0…50 °C
- Output humidity
- 0-10 V
- Output signal, gas in air
- 0-10 V
- Accuracy, gas in air
- < ± (50 ppm + 2 % of the measured value) (25 °C)
- Warm-up time
- < 5 min
- Temperature dependance
- Typically 5 ppm / K
-
TCO2AU-DCO2 + °C + RH- Display
- Yes
- Display type
- LCD
- Measuring range, temp
- 0…50 °C
- Output temperature
- 0-10 V
- Output humidity
- 0-10 V
- Output signal, gas in air
- 0-10 V
- Accuracy, gas in air
- < ± (50 ppm + 2 % of the measured value) (25 °C)
- Warm-up time
- < 5 min
- Temperature dependance
- Typically 5 ppm / K
-
TCO2AU-MCO2 + RH + °C- Measuring range, temp
- 0…50 °C
- Output temperature
- Modbus
- Output humidity
- 0-10 V
- Output signal, gas in air
- Modbus
- Accuracy, gas in air
- < ± (50 ppm + 2 % of the measured value) (25 °C)
- Warm-up time
- < 5 min
- Temperature dependance
- Typically 5 ppm / K
-
TCO2AU-D-PT100CO2 + RH + PT100, 100 Ohm (0°C)- Display
- Yes
- Display type
- LCD
- Measuring range, temp
- 0…50 °C
- Output humidity
- 0-10 V
- Output signal, gas in air
- 0-10 V
- Accuracy, gas in air
- < ± (50 ppm + 2 % of the measured value) (25 °C)
- Warm-up time
- < 5 min
- Temperature dependance
- Typically 5 ppm / K
-
TCO2AU-D-PT1000CO2 + RH + PT1000- Display
- Yes
- Display type
- LCD
- Measuring range, temp
- 0…50 °C
- Output humidity
- 0-10 V
- Output signal, gas in air
- 0-10 V
- Accuracy, gas in air
- < ± (50 ppm + 2 % of the measured value) (25 °C)
- Warm-up time
- < 5 min
- Temperature dependance
- Typically 5 ppm / K
-
TCO2AU-D-NTC1.8CO2 + RH + NTC 1.8, 1800 Ohm (25°C)- Display
- Yes
- Display type
- LCD
- Measuring range, temp
- 0…50 °C
- Output humidity
- 0-10 V
- Output signal, gas in air
- 0-10 V
- Accuracy, gas in air
- < ± (50 ppm + 2 % of the measured value) (25 °C)
- Warm-up time
- < 5 min
- Temperature dependance
- Typically 5 ppm / K
-
TCO2AU-D-NTC2.2CO2 + RH + NTC 2.2, 2252 Ohm (25°C)- Display
- Yes
- Display type
- LCD
- Measuring range, temp
- 0…50 °C
- Output humidity
- 0-10 V
- Output signal, gas in air
- 0-10 V
- Accuracy, gas in air
- < ± (50 ppm + 2 % of the measured value) (25 °C)
- Warm-up time
- < 5 min
- Temperature dependance
- Typically 5 ppm / K
-
TCO2AU-D-NTC10-01CO2 + RH + NTC 10, 10 kOhm (25°C)- Display
- Yes
- Display type
- LCD
- Measuring range, temp
- 0…50 °C
- Output humidity
- 0-10 V
- Output signal, gas in air
- 0-10 V
- Accuracy, gas in air
- < ± (50 ppm + 2 % of the measured value) (25 °C)
- Warm-up time
- < 5 min
- Temperature dependance
- Typically 5 ppm / K
-
TCO2AU-D-NTC10-02CO2 + RH + NTC 10, 10 kOhm (25°C)- Display
- Yes
- Display type
- LCD
- Measuring range, temp
- 0…50 °C
- Output humidity
- 0-10 V
- Output signal, gas in air
- 0-10 V
- Accuracy, gas in air
- < ± (50 ppm + 2 % of the measured value) (25 °C)
- Warm-up time
- < 5 min
- Temperature dependance
- Typically 5 ppm / K
-
TCO2AU-D-NTC10-03CO2 + RH + NTC 10, 10 kOhm (25°C)- Display
- Yes
- Display type
- LCD
- Measuring range, temp
- 0…50 °C
- Output humidity
- 0-10 V
- Output signal, gas in air
- 0-10 V
- Accuracy, gas in air
- < ± (50 ppm + 2 % of the measured value) (25 °C)
- Warm-up time
- < 5 min
- Temperature dependance
- Typically 5 ppm / K
-
TCO2AU-D-NTC20CO2 + RH + NTC 20, 20 kOhm (25°C)- Display
- Yes
- Display type
- LCD
- Measuring range, temp
- 0…50 °C
- Output humidity
- 0-10 V
- Output signal, gas in air
- 0-10 V
- Accuracy, gas in air
- < ± (50 ppm + 2 % of the measured value) (25 °C)
- Warm-up time
- < 5 min
- Temperature dependance
- Typically 5 ppm / K
-
TCO2AU-D-NI1000-01CO2 + RH + Ni1000, 1000 Ohm (0°C)- Display
- Yes
- Display type
- LCD
- Measuring range, temp
- 0…50 °C
- Output humidity
- 0-10 V
- Output signal, gas in air
- 0-10 V
- Accuracy, gas in air
- < ± (50 ppm + 2 % of the measured value) (25 °C)
- Warm-up time
- < 5 min
- Temperature dependance
- Typically 5 ppm / K
-
TCO2AU-D-NI1000-02CO2 + RH + Ni1000, 1000 Ohm (0°C)- Display
- Yes
- Display type
- LCD
- Measuring range, temp
- 0…50 °C
- Output humidity
- 0-10 V
- Output signal, gas in air
- 0-10 V
- Accuracy, gas in air
- < ± (50 ppm + 2 % of the measured value) (25 °C)
- Warm-up time
- < 5 min
- Temperature dependance
- Typically 5 ppm / K
-
TCO2AU-D-MCO2 + RH + °C- Display
- Yes
- Display type
- LCD
- Measuring range, temp
- 0…50 °C
- Output temperature
- Modbus
- Output humidity
- 0-10 V
- Output signal, gas in air
- Modbus
- Accuracy, gas in air
- < ± (50 ppm + 2 % of the measured value) (25 °C)
- Warm-up time
- < 5 min
- Temperature dependance
- Typically 5 ppm / K
Specifications
| Mounting | Room |
|---|---|
| Power Supply | 24VAC/DC (22...26 V AC 50/60Hz / 15...35 V DC), VA |
| Appliance class | Class III |
| Protection class | IP30 |
| Ambient humidity (non-condensing) | 10…90 % RH |
| Ambient temperature | 0…50 °C |
| Storage temperature | -25…60 °C |
| Mounting | Room, Wall |
| Dimensions, external (WxHxD) | 100x85x30 mm |
| Accuracy, temperature | 0.4 K, 0.3 K, 0.5 K, 0.2 K, 0.25 K |
| Measuring range, humidity | 0…100 % RH |
| Measuring range, gas in air | 0…2000 ppm |
| Long term stability | Typically 20 ppm / year |
| Response time | < 90 sec |
| Terminal type | Screw Terminal |
| Terminal wire size | 1.5 mm² |
| Material, housing | Polycarbonate |
| Power consumption | < 2.5 W |
| Transformer power | ≥ 5 VA |
| Power supply | 24 Vac ±10% / 15...35 Vdc |
Software & documentation
Product sheet
Instructions
Other documentation

