Mecord Systems & Services Private Limited
Mecord Systems & Services Private Limited
Ghatkopar West, Mumbai, Maharashtra
GST No. 27AAACM8582E1ZB
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Carbon Dioxide

Offering you a complete choice of products which include gmw90 combined carbon dioxide & temp & humidity transmitter, gm70 hand-held carbon dioxide meter for spot-checking app. and gmd20 duct mounted carbon dioxide transmitters.

GMW90 Combined Carbon Dioxide & Temp & Humidity Transmitter

GMW90 Combined Carbon Dioxide & Temp & Humidity Transmitter
  • GMW90 Combined Carbon Dioxide & Temp & Humidity Transmitter
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Product Details:

Minimum Order Quantity1 Unit
Accuracy+/-30PPM
Usage/ApplicationPharma
ApplicationHVAC
Protection TypeIP30, IP66
Rated Supply Voltage24 VDC
Output TypeANLOGUE, DIGITAL
BrandVAISALA

GMW90 Series Digital Carbon Dioxide, Temperature, and Humidity Transmitters for Demand Controlled Ventilation Applications

Features/Benefits

· Measured parameters: carbon dioxide, temperature, and humidity (optional)

· Superior long-term stability with the next generation Vaisala CARBOCAP® sensor

· Accurate temperature and humidity measurements in a three-parameter instrument due to the low-power microglow infrared source

· Quick and easy installation and maintenance

· Calibrated, user-exchangeable modules for carbon dioxide, temperature and humidity

· Traceable calibration (certification included)

· Digital communication with BACnet/Modbus

· Decorative cover available to match your building’s interior design

The Vaisala GMW90 Series CARBOCAP® Carbon Dioxide, Temperature, and Humidity Transmitters are based on new measurement technology for even more reliable and stable readings yet than used to. These wall-mounted transmitters are easy to install and have very low maintenance requirements.

Designed for demand controlled ventilation, these transmitters measure carbon dioxide and temperature, with the option for humidity measurements. The instruments come with a calibration certificate that meets traceability and compliance requirements.

Reliability from Unique Measurement Technology

The GMW90 Series Transmitters use advanced Micro-Electro-Mechanical System (MEMS) technology for measuring carbon dioxide. The CARBOCAP® carbon dioxide sensor's continuous reference measurement enables reliable and accurate readings and outstanding long-term stability also in buildings with round-the-clock occupancy.

The new generation CARBOCAP® sensor no longer uses an incandescent light bulb, which limits sensor lifetime. This unique sensor consumes very little power compared to other sensors on the market. As a result, instrument self-heating is low and humidity and temperature can be measured correctly.

Convenient Installation

GMW90 Series Transmitters have been designed for quick and easy installation and maintenance. Every model includes a display for easy startup and convenient maintenance.

To protect the sensor from dust and dirt during construction and installation, the units can be cabled with back-plate only. Electronics can be snapped on later at an appropriate phase in the construction project. Dip switches make it quick and easy to configure the transmitters.

Easy Calibration

Regular instrument maintenance guarantees a long product lifetime. Calibration is easiest done with the exchangeable measurement modules. Sensor traceability and measurement quality is easily maintained by snapping on a new module calibrated at Vaisala factory. The instrument can also be calibrated using a hand-held meter or reference gas bottle. The service interfaces are easy to reach by simply sliding the cover down. The closed cover keeps the measurement environment stable during calibration and ensures a top-quality final result.

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  • Item Code: GMW90
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GM70 Hand-Held Carbon Dioxide Meter For Spot-Checking APP.

GM70 Hand-Held Carbon Dioxide Meter For Spot-Checking APP.
  • GM70 Hand-Held Carbon Dioxide Meter For Spot-Checking APP.
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Product Details:

Minimum Order Quantity1 Unit
Measuring Range0 TO 10000 PPM
BrandVAISALA
Data LoggerYES
Display TypeLCD
Model Name/NumberGM70
Operating Temperature-20 TO + 60 degC
PortableYES

GM70 Hand-Held Carbon Dioxide Meter for Spot-Checking Applications

Features/Benefits

·         Proven Vaisala CARBOCAP® reliability

·         Two optional sampling methods: diffusion or pump aspiration

·         User-friendly meter with multilingual user interface

·         Numerical and graphical display of measurements

·         Data can be logged and transferred to PC via MI70 Link software

·         Wide selection of measurement ranges

·         Easy recalibration using the interchangeable probes

·         Suitable for field checking of fixed CO2 instruments

·         Short warm-up time

·         Compact and versatile

The Vaisala CARBOCAP® Hand-Held Carbon Dioxide Meter GM70 is a user-friendly meter for demanding spot measurements in laboratories, greenhouses and mushroom farms. The meter can also be used in HVAC and industrial applications, and as a tool for checking fixed CO2 instruments.

The GM70 has a short warm-up time and is ready for use almost immediately. It has a menu-based interface, a graphical LCD display and data logging capability. The optional MI70 Link Windows® software in combination with a USB connection cable provides an easy way to handle data in a PC environment.

Vaisala CARBOCAP® technology

The GM70 incorporates the advanced Vaisala CARBOCAP® sensor that has unique reference measurement capabilities. The measurement accuracy is not affected by dust, water vapor or most chemicals. The GM70 has a two-year recommended calibration interval.

Two sampling methods

The handle is for hand-held diffusion sampling. The GM70 pump enables pump-aspirated sampling from locations difficult to access otherwise. It is also ideal for comparisons with fixed CO2 transmitters.

Interchangeable probes

The GM70 uses the same probes as Vaisala CARBOCAP® Carbon Dioxide Transmitter Series GMT220 and Modules Series GMM220. By plugging different probes into the handle or pump, the user can easily change the measurement range of the GM70.

The meter can also be used as a calibration check instrument for Vaisala’s GM20 and series, GMT/M220 fixed CO2 instruments. GMP220 probes can even be adjusted by using the GM70 meter.

The GM70 has two probe inputs. Vaisala’s relative humidity and dewpoint probes can also be used simultaneously with CO2 measurement.

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GMD20 Duct Mounted Carbon Dioxide Transmitters

GMD20 Duct Mounted Carbon Dioxide Transmitters
  • GMD20 Duct Mounted Carbon Dioxide Transmitters
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Product Details:

Minimum Order Quantity1 Unit
Measuring Range0 TO 2000, 0 TO 5000, 0 TO 10,000
Weight170g
BrandVAISALA
Data Loggerno data logger
Display TypeLCD
Model Name/NumberGMD20
Power Source24 VDC

GMD20 Series Carbon Dioxide Transmitters for Demand Controlled Ventilation Applications

Features/Benefits

·         Versatile transmitters

·         Duct and wall mount models

·         Incorporates Vaisala CARBOCAP® Sensor - the silicon-based NDIR sensor

·         Excellent long-term stability

·         Negligible temperature dependence

·         Ease of installation

The duct mounted Vaisala CARBOCAP® Carbon Dioxide Transmitter Series GMD20 and wall mounted GMW20 are specially designed for Demand Controlled Ventilation (DCV). They are easy to install and require no maintenance. The recommended calibration interval is five years.

Vaisala CARBOCAP® technology

The GMD/W20 Series Transmitters use the silicon-based Vaisala CARBOCAP® Sensor. The simple structure and reference measurement capabilities make this Single-Beam, Dual- Wavelength NDIR sensor extremely stable and reliable.

The temperature and flow dependences of the sensor are negligible. In addition, the measurement accuracy is not affected by dust, water vapor and most chemicals.

Versatile transmitters

The GMD/W20 series transmitters can be used independently, or incorporated into building energy management systems. The series consists of duct mount units GMD20/D and wall mount units GMW21/D and GMW22/D. Version D has a display. The two sizes in the wall-mount series make them easy to install for most standard junction boxes.

The duct units' compact sensor head design requires only a small hole in a ventilation duct, thereby minimizing the risk of leaking gaskets and measurement errors.

In addition to the standard 0 ... 20 mA, 4 ... 20 mA and 0 ... 10 V outputs, there are three other options: two LonWorks® interfaces and a relay output. The relay output is standard with the display units.

Improve indoor air at minimal energy costs

The use of the GMD/W20 series transmitters ensures the best possible control of air quality and results in considerable savings in energy consumption, maintenance and recalibration costs.

Temperature option

The GMA20T temperature module, an option with the GMW21 wall mount unit, combines both CO2 and temperature measurement into one transmitter. The GMA20T has an output of 0 ... 10 V corresponding to a temperature range of 0 ... +50 °C (+32 ... +122 °F).

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N. Balaji (General Sales Manager)
Mecord Systems & Services Private Limited
No. 304/314, Hill View Industrial Estate, Amrut Nagar
Ghatkopar West, Mumbai - 400086, Maharashtra, India


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