T3000 Series
Amphenol
Advanced Sensors
®
CO2 Sensors for
Harsh Environments
Telaire T3000 Series is a range of Carbon Dioxide (CO2) Sensors designed to meet the specic
needs of customers who require measuring CO2 in harsh or difcult environments. Based on a
series of modules, the casing offers a number of combinations to meet the needs of range, supply
voltage, and output type in various applications. Example applications include incubators, buses,
refrigerators, subway stations, and railway carriages.
Features
• Accurate CO2 transmitter for HVAC
control applications
• Easy mount with 2 external tabs
• Rated up to IP67 (build dependent)
• Available with potting
• Different calibrations available up to 20%
CO
concentration
2
• Analog or digital output options
• Non-Dispersive Infrared (NDIR) measuring
technology
• Sensors are shipped factory-calibrated
• Accuracy for 10 year life
• Extended operating temperature range
T3000 Series Specifications
Sensing Method
Non-Dispersive Infrared (NDIR), single or dual
wavelength
Power Supply Requirements
15 – 15 VDC ±10%
24 - 18-30 VAC RMS, 50/60 Hz, or 18 to 42 VDC,
polarity protected
Power Consumption
Typical 0.7 W at nominal voltage of 24V AC RMS
Range
See Ordering Information for calibrated ranges
Resolution
Minimum 10bit or analog equivalent
Accuracy
Single Wavelength
(0~2,000 ppm as example)
• 400-1250 ppm ±30 ppm or 3% of reading,
whichever is greater*,**
• 1250-2000 ppm ±5% of reading + 30ppm *, **
Dual Wavelength
(0~2,000 ppm range as example)
• 75 ppm or 10% of reading (whichever is greater)
(0~200,000 ppm range as example)
• ±5% of reading or ±0,3 vol% CO2 (whichever is
larger) at 0 - 20 vol% CO2 and 0°C to +25°C
• At 25°C to 50°C additional ±0,1% of reading or
±0,01 vol% CO2 (whichever is larger) per degree
C.
*Tolerance based on span gas of ±2%
** ABC Logic not deactivated
Storage Temperature
-40° to +70°C
Minimum Lifetime
10 years or 30,000 operating hours
Flammability Classification
To UL94 5VA (dependent upon build)
RH Range
0% to 99% RH (non-condensing)
Atmospheric Conditions
Sensors have been designed and tested to the
following However, not all models are as capable;
please discuss your application with Telaire.
• Marine, salt mist and particles present
• 02 level 0-21 vol%
• 0 to 100% RH.
• Ammonium max 200mg/m
• S02 max 0,5 vol%
• Ethylene max 500ppm vol
• Ozone
3
IP Class
Up to IP67, dust tight and immersion to 1m.
Optional potting
Discuss your requirement with Telaire.
Output Configurations
Digital
• Modbus over RS485
• UART
Temperature Dependence
0.2% FS / °C
Response Time, tau (63%)
< 200 sec
Aging (Dual Wavelength Only)
+/- 5% of reading annual drift.
Less than +/- 25% of reading within product life
time.
Recommended Recalibration Interval
Single Wavelength – No calibration required
Dual Wavelength - 1 year
Working Temperature
0° to +50°C (measures within tolerance)
Operation Temperature
(Sensor Is Powered)
-30° to +50°C
Analogue*
• 0 to 5 V
• 0 to 10 V
• 4 to 20mA
*Digital to Analogue Error ±1%
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