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T6540 Remote CO2 Concentration, Temperature, Humidity Transmitter with Ethernet Interface

T6540

Carbon dioxide concentration, temperature and relative humidity T-line network transmitter. Remote alarms.


Network transmitter with built-in sensors for carbon dioxide concentration, relative humidity and temperature.


Multi-point CO2 and temperature regulation programs provide excellent CO2 measurement accuracy over the entire temperature operating range; a must for process control and outdoor applications. The dual wavelength NDIR CO2 detection program automatically compensates for aging effects. The CO2 module is highly resistant to contamination for maintenance-free operation and excellent long-term stability.


High precision capacitive polymer sensors ensure excellent long-term calibration stability and ultimate accuracy. The two-line LCD is an advantage. Measurements can also be converted to other humidity interpretations: dew point temperature, absolute humidity, specific humidity, mixing ratio, specific heat.

The CO2 concentration can be shown directly on the display or signaled by colored LEDs.


Measurement data can be processed and analyzed in the following ways:

  • Online Processing on COMET Cloud
  • Processing with COMET Database Software
  • Integrating data into third-party systems

Warranty: 3 years

Measurement parameters
Temperature
Relative Humidity
Count (Dew Point...)
carbon dioxide CO2
Temperature Sensor
Measurement range: -30 to +80 °C
Measurement accuracy: ±0.6°C
Resolution: 0.1 °C
Humidity Sensor
Measurement range: 5 to 95 % relative humidity
Measurement accuracy: ±2.5 % relative humidity
Resolution: 0.1% Relative Humidity
outdoor spot
Measurement range: -60 to +80 °C
Measurement accuracy: ±1.6 °C at ambient temperature T 30 %.
Resolution: 0.1 °C
Carbon Dioxide Sensor
Measurement range: 0 to 2000 ppm
Measurement Accuracy: ± (50ppm + 2% of reading), Temperature 25°C, Air Pressure 1013hPa
Resolution: 1 ppm
General Technical Data
Operating temperature: -30 to +60 °C
Channel: Built-in temperature, humidity and carbon dioxide sensors
Measurements: Dew point, Absolute humidity, Specific humidity, Mixing ratio, Specific heat
Output: Ethernet
Measurement interval: 2 s; CO2 15 s
Humidity sensor temperature compensation range: covers all temperature ranges
Communication protocol: WWW, Modbus TCP, SNMPv1, SOAP, XML
Alert protocol: E-mail, SNMP Trap, Syslog
Battery: 9-30 Vdc
Protection level: IP30 for electronic devices; IP40 for sensors.
Dimensions: 88.5 x 170 x 39.5 mm; stem length 75 mm
Weight: approx. 150 g
Warranty: 3 years


  • T6540
  • Operator's Manual
  • Traceable calibration certificate
  • Free software for configuring the transmitter TSensor
  • COMET Cloud 3 Months License

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