®
Telaire T6713
Series CO
2
Module
NDIR CO
2
Module
designed for
applications that
require high accuracy
in a compact package
The Telaire
®
T6713 CO
2
Series is ideal for
applications where CO
2
levels need to be
measured and controlled for indoor air quality
and energy saving applications such as
demand control ventilation.
All units are factory calibrated to measure CO
2
concentration levels up to 5000 ppm.
Features
• An affordable gas sensing solution for OEMs.
• Eliminates the need for calibration in most
applications with Telaire’s patented ABC
Logic™ software. Lifetime calibration
warranty.
• A reliable sensor design based on 20 years of
Engineering and manufacturing expertise.
• Flexible CO
2
sensor platform designed to
interact with other microprocessor devices.
• Small compact design allowing simple
product integration.
Amphenol
Advanced Sensors
Telaire T6713 series CO
2
Module Specifications
Method
Non Dispersive Infrared (NDIR), gold plated optics,
diffusion sampling (with Telaire’s Patented ABC
Logic Self Calibrated Algorithm)
Measurement Range
(2)
0 to 5000 ppm
Dimensions
1.18in X 0.787in X 0.34in
(30mm X 15.6mm X 8.6mm)
All dimensions in millimeters (mm)
Accuracy
(1) (5)
400-5000 ppm +/- 30 ppm ± 3% of reading
400-2000 ppm +/- 25 ppm ± 3% of reading
Output
Digital
(3)
I
2
C slave up to 100kHz
UART @ 19200 Baud w/Modbus support
Temperature Dependence
5 ppm per °C or 0.5% of the reading per °C,
whichever is greater
PWM Output Mode
Two options:
• Cycle period 1002 ms (~1Hz)
• 40 us (25kHz)
Stability
< 2% of FS over life of sensor (15 years typical)
Pressure Dependence
0.13% of reading per mm Hg
Power Supply Requirements
(4)
• 4.5-5.5 VDC
• Peak 200mA (155mA typical)
• Average 25mA (20mA typical)
Calibration Interval
Not required
Interface Connections
Response Time
< 3 minutes for 90% step change typical
Designed for six (6) pin male header with
0.1 in (2.54 mm) spacing. Header not included.
Signal Update
Every 5 seconds
Notes:
(1)
Tolerance based on span gas of ±2%, which
adds to the uncertainty, tested at Standard
Ambient Temperature and Pressure (SATP).
Subjecting sensors to environments less
than 400 ppm for more than 15 minutes may
affect accuracy due to ABC Logic algorithm.
Please call for detailed product specifications.
Based on nominal 5VDC input voltage.
For best performance, DC supply should
be a regulated, low noise power source.
The module may exhibit a tolerance
addition of ±60ppm when first installed.
This will be corrected by the ABC
Logic in first weeks of operation.
Warm Up Time
• < 2 minutes (operational)
• 10 minutes (maximum accuracy)
(2)
Operating Conditions
• 14°F to 140°F (-10°C to 60°C)
• 0 to 95% RH, non-condensing
(3)
(4)
Storage Conditions
-22°F to 158°F (-30°C to 70°C)
(5)
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 (400ppm) 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.
Available Models
Part Number
T6713
T6713-5k
Sampling Method
Diffusion
Diffusion
Measurement Range
0-2000ppm
0-5000ppm
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.
Pin Designations
Connector Pin-Out
1
2
3
4
5
6
Function/Alternate
TX (UART) / I2C_SDA
RX (UART) / I2C_SCL
V+
V- / GND
PWM Output
No Connect / Ground / 10k pull down to
select interface / RS485 Flow Control
Handling and Installation
The T6713 CO
2
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.
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