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A L M Engineering & Instrumentation Private Limited
A L M Engineering & Instrumentation Private Limited


Carbon Dioxide Meter

Pioneers in the industry, we offer co2 sensor, series cdt carbon dioxide/temperature transmitter, series cdw2 carbon dioxide transmitters, series cdx wall mount carbon dioxide transmitter, series t8031 duct mount co2 transmitter and carbon dioxide sensor from India.

CO2 Sensor

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CO2 Sensor
Approx. Rs 7,500 / Pack
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Telaire Low-Cost Wall Mount CO2 Transmitter is a hgh performing CO2 transmitter for building controls market.
It works seamlessly with building automation systems and allows to simplify and effectively control fresh air into ventilated to regulated standards providing immediate energy savings.

Features:
  • Patented Absorption Infrared Gas sensing engine provides high accuracy in a compact low cost package.
  • Patented ABC Logic™ self calibration system eliminates the need of manual calibration.
  • Lifetime CO2 calibration guarantee when using ABC Logic™
  • Modern enclosure
  • Gas permeable, water resistant CO2 diffusion filter prevents particulate and water contamination of the sensor
  • Lifetime calibration guarantee
  • CE, RoHS, REACH, WEEE compliant
Specifications:
CO2 measurement range: 0 to 2000 ppm 
CO2 accuracy: 400-1250 ppm ± 40 ppm + 3% of reading
                      1250-2000 ppm ±5% of reading + 30ppm
Operating conditions: 32°F to 122°F (0°C to 50°C)
                                0 to 95% RH, non-condensing
Output: 0 to 5 V, or 0 to 10 V jumper selectable
            Or 4 to 20 mA

Optional T1508 Aspiration box for Duct Mounting
Optional T1552 Outisde Air Enclosure
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Series CDT Carbon Dioxide/Temperature Transmitter

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Series CDT Carbon Dioxide/Temperature Transmitter
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Series CDT Carbon Dioxide and Temperature Transmitters accurately monitor the CO2 concentration and temperature in schools, office buildings, and other indoor environments to help achieve LEED® certification. For increased sensor accuracy, a single-beam dual-wavelength non-dispersive infrared (NDIR) sensor is used to automatically correct the measurement in both occupied and unoccupied buildings against light source aging effects. The single-beam dual-wavelength sensor technology provides the highest level of accuracy compared to Automatic Baseline Correction methods which can unintentionally shift the calibration based on CO2 levels and barometric pressure conditions. In order to achieve a higher level of accuracy, the Series CDT includes digital barometric pressure adjustment and the ability to field-calibrate the sensor.

Universal outputs for both carbon dioxide and temperature allow users to select the transmitter output to be 4 to 20 mA, 0 to 5 VDC, or 0 to 10 VDC to work with virtually any building management controller. Additionally, a passive thermistor or RTD sensor can be ordered for a temperature output. An optional relay with user adjustable set points can be used to control exhaust fans, open actuated windows or dampers, or signal a light or horn.

For applications that require visual indication, the wall mount configurations of the Series CDT can be ordered with an integral LCD display. When ordering a duct mount configuration or a wall mount configuration without the display, the Model A- 449 or A-449A remote LCD display can plug into the miniature connector port on the transmitter. The display can be configured to display temperature only, CO2 only, or CO2 and temperature together. Push buttons are standard on all configurations of the transmitters for access to the menu structure, but wall mount configurations can be ordered without the buttons. To prevent tampering, the action of the buttons can be locked out using an internal dip switch selection. Menu items that can be accessed via the push buttons include: engineering units, relay output set points, display configuration, transmitter output scaling, ambient barometric pressure, and field calibration of the transmitter.

Single beam dual-wavelength sensor advantages:

  • Automatically corrects for aging effects in occupied and unoccupied buildings
  • Perfect for hospitals and manufacturing plants that are occupied 24 hours per day
  • Measures actual unfiltered light intensity directly
  • Eliminates error from incorrect assumptions of gas concentration in theoretical logic assumption methods

Product Applications

  • On Demand Ventilation
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Series CDW2 Carbon Dioxide Transmitters

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Series CDW2 Carbon Dioxide Transmitters
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Product Details:
Output Value0-10V / 4-20mA

The Series CDW2 Wall Mount Carbon Dioxide Transmitters monitor ambient carbon dioxide conditions for variable air volume (VAV) on demand ventilation systems. Universal current/voltage temperature and humidity outputs are also available to reduce the number of instruments mounted on the wall. The Non-Dispersive Infrared (NDIR) sensor continuously updates the calibration through a proprietary logic feature which limits the amount of error due to drift. A duct mount and a heated outside air enclosure are available enabling the CDW2 to be used in different environments.
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Series CDX Wall Mount Carbon Dioxide Transmitter

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Series CDX Wall Mount Carbon Dioxide Transmitter
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Product Details:
Output Value0-10V/4-20mA

The Series CDX Carbon Dioxide Transmitter is a low cost and high performing CO2 sensor. This product will provide immediate energy savings by functioning in conjunction with building automation systems and allowing the user to effortlessly and effectively control fresh air into preferred areas. On-Demand ventilation using CO2 sensors prevents energy losses from over ventilation while maintaining indoor air quality. The potential for the greatest energy saving occurs in areas where occupancy alters over the duration of the day. The Series CDX Transmitters utilize the patented Automatic Background Calibration (ABC) Logic self-calibration system. ABC Logic virtually eliminates the need for manual calibration in applications where the indoor CO2 level drops to outside levels during unoccupied periods. If the transmitter is being used in an application where a building is continuously occupied 24 hours per day, then the user will permit that the ABC Logic feature be turned off.

Product Applications

  • On Demand Ventilation
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Series CDX Wall Mount Carbon Dioxide Transmitter

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Series CDX Wall Mount Carbon Dioxide Transmitter
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Product Details:
Output Value0-10V / 4-20mA

The Series CDX Carbon Dioxide Transmitter is a low cost and high performing CO2 sensor. This product will provide immediate energy savings by functioning in conjunction with building automation systems and allowing the user to effortlessly and effectively control fresh air into preferred areas. On-Demand ventilation using CO2 sensors prevents energy losses from over ventilation while maintaining indoor air quality. The potential for the greatest energy saving occurs in areas where occupancy alters over the duration of the day. The Series CDX Transmitters utilize the patented Automatic Background Calibration (ABC) Logic self-calibration system. ABC Logic virtually eliminates the need for manual calibration in applications where the indoor CO2 level drops to outside levels during unoccupied periods. If the transmitter is being used in an application where a building is continuously occupied 24 hours per day, then the user will permit that the ABC Logic feature be turned off.

Product Applications

  • On Demand Ventilation
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Series T8031 Duct Mount CO2 Transmitter

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Series T8031 Duct Mount CO2 Transmitter
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Advanced Sensors is excited to announce the release of a new generation of Telaire CO2 transmitters targeting indoor air quality and energy conservation applications.

The Ventostat® T8031 duct mount CO2 transmitter offers accuracy and versatility at an affordable price. This exceptional product line touts an unobtrusive form factor that is easy to install, simple to use, and remains accurate over the expected life of the device using Telaire’s patented ABC Logic™ (Automatic Background Calibration) technology.

Features:

  • One of the smallest in-duct CO2 transmitters on the market.
  • Simple installation (mounting hardware and instructions included).
  • Ideally suited for OEM manufacturers that must accommodate smaller < 6 inch (15.2 cm) HVAC return air ducts.
  • Offers standard 0-10 volt output.
  • Patented absorption infrared/gas sensing engine provides high accuracy in a compact, low-cost package.
  • Patented ABC Logic™ self-calibration system eliminates the need for manual calibration in most applications.
  • Gas permeable, water-resistant diffusion filter prevents particulate and water contamination of the sensor.
  • Lifetime calibration guarantee.
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Carbon Dioxide Sensor

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Carbon Dioxide Sensor
Approx. Rs 8,500 / Piece
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Telaire Duct Mount CO2 Transmitter can be used in broad range of applications including air quality monitoring in buildings.
  • CO2 concentration levels in buildings are monitored to provide an indication of occupancy.
  • An effective Demand Controlled Ventilation strategy will conserve energy and maintain indoor air quality.

Features:
  • One of the smallest in duct CO2 transmitters in market.
  • Simple installation
  • Ideally suited for OEM manufacturers that must accomadate smaller <6 in HVAC return air ducts.
  • Offers standard 0-10V output.
  • Patented absorption infrared/gas sensing engine provides high accuracy in a compact low cost.
  • Patented ABC Logic self calibration system eliminates the need for manual calibration in most applications.
  • Lifetime calibration guarantee
Specifications:
  • Measurement range: 0-2000 ppm factory calibrated
  • Duct Air Velocity: 0 to 1500 ft/min
  • Accuracy: +/- 40ppm +3% of reading @ 22 deg C
  • Output: Analog 0-10 VDC
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Carbon Dioxide Transmitter

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Carbon Dioxide Transmitter
Approx. Rs 11,500 / Number
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Product Details:
ModelCDT

Telaire CO2 Duct Mount Transmitter can be used in a broad range of applications including air quality monitoring in buildings.
CO2 concentration levels in buildings are monitored to provide an indication of occupancy.
An effective Demand Controlled ventilation strategy will conserve energy and maintain indoor air quality.

Features:
  • Simple Installation
  • Patent absorption infrared/gas sensing engine provides high accuracy in a compact low-cost package.
  • Patented ABC Logic self-calibration system eliminates the need of manual calibration in most applications.
  • Gas permeable, water resistant diffusion filter prevents particulate and water contamination of the sensor
  • RoHS compliant
  • Lifetime calibration guarantee
Specifications:
  • Range: 0-2000 ppm
  • Duct Air Velocity: 0 to 1500 ft/min
  • Accuracy: +/- 40ppm
  • Operating conditions: Temperature: 0-50 deg C
  • Humidity: 0 to 95% RH
  • Output: 0-10V or 0-5V
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Call Us: +91-8045315605
A L M Engineering & Instrumentation Private Limited
Mahdi Hasan (Director)
No. 302-304, Damji Shamji Industrial Complex L. B. S. Marg, Kurla West,
Mumbai - 400070, Maharashtra, India
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