GE T5000 Series Manuale utente
T5000 Series
Telaire® Airestat™ CO2/
Temperature Transmitter
GE Measurement & Control Solutions oers high-
volume manufacturing capabilities for its Telaire
products, a global sales force, and additional
engineering resources to support your sensing
application needs.
Telaire® Technology
The technology is based on the absorption of
light in a gold-plated, reective light pipe or
waveguide diusion gas chamber. A gas permeable
polytetrauoroethylene (PTFE) lter prevents
particulate and water contamination of the
sensor. Light is absorbed in proportion to the CO2
concentration and the remaining light is measured
and converted into an analog signal.
ABC Logic™ (Automatic Background Calibration)
The Telaire product line oers patented ABC Logic-
software for self-correction of drift to better than
±20 ppm per year. The system is virtually free of
maintenance and typically has a lifetime of more
than 10 years.
Features:
• Low-cost
• Reliable (15 years of low-cost infrared sensor
manufacturing)
• Lifetime calibration guarantee (ABC Logic™ on)
• Pre-calibrated
• Maintenance free (calibration maintained with
patented ABC Logic)
• Flexible congurations (see matrix, page 2)
• Intuitive VLI display
• Three available outputs: analog 0 to 10V, 0 to 5V,
passive temperature (20K thermistor), and digital
UIP interface (RS-232 TTL level)
• User-denable thresholds
• RoHS and WEEE compliant
GE
Measurement & Control Solutions
The Product
The Telaire T5000 Series Airestat CO2 and temperature
transmitter is a low-cost wall-mounted sensing solution
for demand-controlled ventilation. The Airestat provides
an intuitive VLI (Visual Limit Indicator) display for
CO2 thresholds, a passive temperature output (20kΩ
thermistor), and a standard analog 0 to 10 volt or 0 to 5
volt signal to maintain air quality in enclosed spaces (such
as school classrooms, oces, gymnasiums and theaters.)
Product Features:
Telaire Model No. CO2 Temp LED GE Logo
T5001 ü ü
T5003 ü ü ü
T5005 ü ü ü
T5007 ü ü ü ü
Please note that the models above are 0-10V output. For
0-5V output, the part number requires -5V (i.e., T5005-5V).
VLI (Visual Limit Indicator)
GE—Telaire Products introduces an exciting new
alternative to traditional scientic LCD display of the CO2
value. Our new T5000 Series transmitter with VLI (Visual
Level Indicator) communicates intuitively to the average
end-user. The correlation between a CO2 PPM reading and
adequate ventilation may not be fully understood. Instead
of oering the user a reading in ppm (parts per million),
we provide a simple LED that communicates increased
CO2 concentrations based on denable or predetermined
thresholds. The LED smoothly transitions between green,
yellow and red as the CO2 threshold is exceeded. Unlike
scientic displays, training to understand ppm values is
not a prerequisite with this innovative product.
T5000 Series
Specications
Product
Sampling Method
Non-dispersive infrared (NDIR), gold plated optics, (with
Telaire’s patented ABC Logic self calibration algorithm).
Diusion sampling.
Measurement Range
0 to 2,000 ppm factory calibrated.
Accuracy
± 75 ppm @ 72°F (22°C) when compared with a factory
reference or 10% of reading, whichever is greater*
Temperature Dependence
0.2% FS per °F (°C)
Stability
<2% of FS over life of sensor (15 years typical)
Non-Linearity
<1% of FS
Pressure Dependence
0.13% of reading per mm Hg
Calibration Interval
Not required*
Response Time
3 to 5 minutes for 90% step change.
Warm up Time
• <2 minutes (operational)
• 10 minutes (maximum accuracy)
Operating Conditions
• 32°F to 122°F (0°C to 50°C)
• 0 to 95% RH, non condensing
Storage Conditions
• -4°F to 158°F (-20°C to 70°C)
• 0 to 95% RH, non condensing
Temperature
NTC 20k thermistor
Output
• Analog: 0 to 10V or 0 to 5V
Connections
Screw terminals for 18 to 28 AWG
Power Supply Requirements
18 to 30 VAC RMS, 50/60Hz or 18 to 42 VDC, polarity
protected
Power Consumption
1.75 VA average, 2.75 VA peak
Agency/Certications
FCC Part 15 Class B, CE, RoHS, WEEE
Warranty Term
18 months
* Note: Automatic Background Calibration, or ABC Logic,
is a patented self-calibration technique designed to be
utilized in applications where concentrations will drop
to outside ambient conditions (approximately 400 ppm)
at least four times in a 14-day period, typically during
unoccupied periods.
Full accuracy is achieved after two weeks of operation.
www.ge-mcs.com
© 2011 General Electric Company. All Rights Reserved. Specications are subject to change without notice. GE is a registered trademark of General Electric Company. Other company or product
names mentioned in this document may be trademarks or registered trademarks of their respective companies, which are not aliated with GE.
920-420D
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