Miniature CO2 Module Series T6700

new

T6613 CO2 Module

The new T6700 series is a miniature NDIR CO2 sensor that has accuracy and reliability of many larger sensors. The new small size allows OEM’s to integrate in to smaller enclosures and equipment and uses significantly less power than many other devices on the market.

Two model families are available:

The Telaire T6713 CO2 Module is ideal for applications where accurate CO2 levels need to be measured and controlled for indoor air quality and energy saving applications such as demand control ventilation.

The Telaire T6703 CO2 Module is configured for applications where CO2 levels are less critical but an assessment of indoor air quality is required, for example in residential applications. Our minimum order requirement reflects the high volumes of these applications. 

All units are factory calibrated to measure CO2 concentration levels up to 5000ppm, while maintaining accuracy across the range.

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Features

  • An affordable gas sensing solution for OEMs.
  • Eliminates the need for calibration in most applications with Telaire’s patented ABC LogicTM software. Lifetime calibration warranty.
  • A reliable sensor design based on 20 years of engineering and manufacturing expertise.
  • Flexible CO2 sensor platform designed to interact with other microprocessor devices.
  • Compact design and versatile interface options for simple product integration.

Applications

The Telaire® T6703 and T6713 CO2 Series is ideal for applications where CO2 levels need to be measured and controlled for indoor air quality and energy saving applications such as demand control ventilation.

T6713

  • Co2 HVAC transmitters
  • Air To Air Heat Exchangers
  • Indoor growing (Horticulture)
  • Air conditioners
  • Handheld meters

T6703

  • Air Purifiers
  • Air Conditioning
  • Home monitoring
  • Desktop IAQ
  • Consumer products

Specifications T6703

Method Non Dispersive Infrared (NDIR), gold plated optics,diffusion sampling (with Telaire’s Patented ABC Logic Self Calibrated Algorithm)
Measurement Range 0 to 5000 ppm
Dimensions 1.18 in X 0.61 in X 0.34 in
(30 mm X 15.6 mm X 8.6 mm)
Accuracy* 400-5000 ppm ± 75 ppm or 10% of reading,whichever is greater
Temperature Dependence 5 ppm per °C or 0.5% of the reading per °C,whichever is greater
Stability < 2% of FS over life of sensor (15 years typical)
Pressure Dependence 0.13% of reading per mm Hg
Calibration Interval Not required
Response Time < 3 minutes for 90% step change typical
Signal Update Every 5 seconds
Warm Up Time
  • < 2 minutes (operational)
  • 10 minutes (maximum accuracy)
Operating Conditions
  • 50°F to 122°F (10°C to 50°C)
  • 0 to 95% RH, non-condensing
Storage Conditions -22°F to 158°F (-30°C to 70°C)
T6703-dig2

Output

Digital I2C slave up to 100 kHz
UART @ 19200 Baud w/Modbus support
PWM Output Mode Two options, cycle period 1002 ms (~1Hz) or 40 us (25kHz)
Power Supply Requirements
  • 4.5-5.5 VDC
  • Peak 200mA (155mA typical)
  • Average 25mA (20mA typical)

Interface Connections

Designed for male header with 0.1 in (2.54mm) spacing Header not included.

Notes:

  1. Tolerance based on span gas of ±2%, which adds to the uncertainty, tested at Standard Ambient Temperature and Pressure (SATP).
  2. Subjecting sensors to environments less than 400 ppm may affect accuracy due to ABC Logic algorithm.
  3. Please call for detailed product specifications.
  4. Based on nominal 5VDC input voltage.For best performance, DC supply should be a regulated, low noise power source.

Automatic Background Logic, or ABC Logic, is a patented self-calibration technique that is designed to be used in applications where concentrations will drop to outside ambient conditions (400 ppm) in a 7 day period.

Full accuracy to be achieved utilizing ABC Logic. With ABC Logic enabled, the sensor will typically reach its operational accuracy after 24 hours of continuous operation. Sensor will maintain accuracy specifications with ABC Logic enabled, given that it is at least four times in 21 days exposed to a reference level of 400ppm.

Note: Applies when used in typical residential ambient air. Consult Telaire if other gases or corrosive agents are part of the application environment.

Pin Designations

T6703-dig2

Handling and Installation

The T6703 CO2 OEM modules are infrared gas sensors on a printed circuit board and should be treated carefully. Precautions should be taken to observe specified limits and prevent damage from electrostatic discharge or rough handling. Please refer to ANSI/ESD S20. 20-1999 for more information on preventing ESD damage and IPC 610 Rev D for more information on proper electronic assembly practices.

Calibration

Telaire does not recommend the customer recalibrate the T6703 module after installation. The sensor ABC Logic algorithm will begin after 24 hours, adjusting the sensor measurement resulting in sensor-to-sensor consistency. If immediate consistency is desired, the sensors may be single point calibrated using pre-mixed reference gas or ambient air measured by a reference sensor.

Available Models

T6603-dig2

Safety

Before installing, handling, using, or servicing this product, please consult the data sheet and application notes. The product shall be used only within power supply and electrical input and output limits as specified by the datasheet and application guide. Improper use of the product may result in product damage and property loss and/or personal injury. In use of the product, the customer has sole responsibility for designing and implementing a solution which will ensure safe operation (including review of appropriate reliability or required redundancy, mitigation of failure modes, and/or meeting appropriate standards). The customer is responsible for review of any special conditions for use including, but not limited to, environmental conditions, electrical supply, residual risk, etc). The sensor is designed for benign environments. The performance and reliability may be negatively affected in environments that contain corrosive or caustic gases including but not limited to Ammonia, Chlorine, NOx and Ozone. Telaire makes no warranty, representation or guarantee regarding the suitability of this product for any particular application, including safety critical applications. Nor does Telaire assume any liability arising out of the application or use in any product or circuit. Telaire specifically disclaims all liability without limitation consequential or incidental damages. No statuary or fitness for particular purpose shall be implied.

Specifications T6713

Method Non Dispersive Infrared (NDIR), gold plated optics, diffusion sampling (with Telaire’s Patented ABC Logic Self Calibrated Algorithm)
Measurement Range 0 to 5000 ppm
Dimensions 1.18 in X 0.787 in X 0.34 in (30 mm X 15.6 mm X 8.6 mm)
Accuracy* 400-5000 ppm ± 30 ppm + 3% of reading
Temperature Dependence 5 ppm per °C or 0.5% of the reading per °C,whichever is greater
Stability < 2% of FS over life of sensor (15 years typical)
Pressure Dependence 0.13% of reading per mm Hg
Calibration Interval Not required
Response Time < 3 minutes for 90% step change typical
Signal Update Every 5 seconds
Warm Up Time
  • < 2 minutes (operational)
  • 10 minutes (maximum accuracy)
Operating Conditions
  • 14°F to 140°F (-10°C to 60°C)
  • 0 to 95% RH, non-condensing
Storage Conditions -22°F to 158°F (-30°C to 70°C)
T6703-dig2

Output

Digital I2C slave up to 100 kHz UART @ 19200 Baud w/Modbus support
PWM Output Mode Two options:
  • Cycle period 1002 ms (~1Hz)
  • 40 us (25kHz)
Power Supply Requirements (4)
  • 4.5-5.5 VDC
  • Peak 200mA (155mA typical)
  • Average 25mA (20mA typical)

Interface Connections

Designed for six (6) pin male header with 0.1 in (2.54 mm) spacing. Header not included.


T6613-dig2

Automatic Background Logic, or ABC Logic, is a patented self-calibration technique that is designed to be used in applications where concentrations will drop to outside ambient conditions (400 ppm) in a 7 day period.

Full accuracy to be achieved utilizing ABC Logic. With ABC Logic enabled, the sensor will typically reach its operational accuracy after 24 hours of continuous operation. Sensor will maintain accuracy specifications with ABC Logic enabled, given that it is at least four times in 21 days exposed to a reference level of 400 ppm.

Note: Applies when used in typical residential ambient air. Consult Telaire if other gases or corrosive agents are part of the application environment.

Pin Designations

T6703-dig2

Handling and Installation

The T6713 CO2 OEM modules are infrared gas sensors on a printed circuit board and should be treated carefully. Precautions should be taken to observe specified limits and prevent damage from electrostatic discharge or rough handling. Please refer to ANSI/ESD S20. 20-1999 for more information on preventing ESD damage and IPC 610 Rev D for more information on proper electronic assembly practices.

Calibration

Telaire does not recommend the customer recalibrate the T6713 module after installation. The sensor ABC Logic algorithm will begin after 24 hours, adjusting the sensor measurement resulting in sensor-to-sensor consistency. If immediate consistency is desired, the sensors may be single point calibrated using pre-mixed reference gas or ambient air measured by a reference sensor.

Available Models

T6603-dig2

Safety

Before installing, handling, using, or servicing this product, please consult the data sheet and application notes. The product shall be used only within power supply and electrical input and output limits as specified by the datasheet and application guide. Improper use of the product may result in product damage and property loss and/or personal injury. In use of the product, the customer has sole responsibility for designing and implementing a solution which will ensure safe operation (including review of appropriate reliability or required redundancy, mitigation of failure modes, and/or meeting appropriate standards). The customer is responsible for review of any special conditions for use including, but not limited to, environmental conditions, electrical supply, residual risk, etc). The sensor is designed for benign environments. The performance and reliability may be negatively affected in environments that contain corrosive or caustic gases including but not limited to Ammonia, Chlorine, NOx and Ozone. Telaire makes no warranty, representation or guarantee regarding the suitability of this product for any particular application, including safety critical applications. Nor does Telaire assume any liability arising out of the application or use in any product or circuit. Telaire specifically disclaims all liability without limitation consequential or incidental damages. No statuary or fitness for particular purpose shall be implied.

 
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