GE T5000 Series Bedienungsanleitung

T5000 Series

Telaire® Airestat™ CO2/

Temperature Transmitter

GE Measurement & Control Solutions oers 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, reective light pipe or

waveguide diusion gas chamber. A gas permeable

polytetrauoroethylene (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 oers 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 congurations (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-denable thresholds

• RoHS and WEEE compliant

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, oces, 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 scientic 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 oering the user a reading in ppm (parts per million),

we provide a simple LED that communicates increased

CO2 concentrations based on denable or predetermined

thresholds. The LED smoothly transitions between green,

yellow and red as the CO2 threshold is exceeded. Unlike

scientic displays, training to understand ppm values is

not a prerequisite with this innovative product.

T5000 Series

Specications

Product

Sampling Method

Non-dispersive infrared (NDIR), gold plated optics, (with

Telaire’s patented ABC Logic self calibration algorithm).

Diusion 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/Certications

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

names mentioned in this document may be trademarks or registered trademarks of their respective companies, which are not aliated with GE.

920-420D

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