CO2 Transmitter(duct mounting)
Tongdy [China] 
Model No: TG9
Place of Origin: Beijing, China
Brand Name: Tongdy
Packaging: Full and firm package
Minimum Order: 100pcs
Supply Ability: 2000pcs/month
Quality/Safety Certification: CE
n Real time detection carbon dioxide of the air duct
n Detection high accuracy temperature and relative humidity
n Smart sensor probe with extendable probe may be easily installed into any air duct
n With the water-proof and porous film around the sensor probe
n Up to 3xanalog linear outputs for measurements
n Optional Modbus RS485 interface
n With or without LCD display
n CE-approval
Features
u Designed for real time detecting carbon dioxide,
temperature or relative humidity in air ducts.
u NDIR infrared CO2 sensor inside with special Self Calibration and up to 15 years’ lifetime. It makes CO2 measurement more accurate and reliable.
u Combined temperature and humidity digital sensor provide a high accuracy measurement in full range.
u Provide up to 3 analog outputs (0~10VDC or 4~20mA or 0~5VDC) for CO2 temperature and relative humidity.
u Optional Modbus RS485 communication interface.
u With LCD or without LCD selectable
u LCD display real-time measurements of CO2, temperature and relative humidity.
u Simple and smart design and installation of sensor probe with a water-proof and porous film
u Extendable probe meets more air duct systems
u 24VAC/VDC power supply.
u EU standard and CE-approval.
Detection Focus
üCarbon Dioxide (CO2)
Indoor CO2 level is a universal accepted parameter for the condition of indoor ventilation and air quality.
A time period can be preset from 1 to 24 hours, e.g. 5 hours, then the monitor can display CO2 average level during
this period, which provides an objective and true data for the measurement of the air quality in a certain space.
u Non-dispersive infrared (NDIR) CO2 sensor with more than 10-year lifetime
u ABC self-calibration technology guarantees reliable CO2 measurement
u CO2 range: 0~2000ppm/0~5000ppm optional
u Rapid response, high stability and consistency
üTemperature and humidity
Combined digital temperature and humidity sensor with high accuracy and stability. It also has compensation to
CO2 and air quality which makes the measurements more accurate by minimizing environmental effects.
Typical Applications
u Building management for office areas and residental
u Ventilation control system
Specifications
|
Monitoring parameters
|
CO2
|
Temperature
|
Relative humidity
|
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|
Sensing element
|
Non-Dispersive Infrared Detector (NDIR)
|
Digital combined temperature and humidity sensor
|
||||
|
Measuring range
|
0~2000ppm(default)
0~5000ppm
(selectable in the order)
|
0℃~50℃(32℉~122℉) (default)
|
0~100%RH
|
|||
|
Display Resolution
|
1ppm
|
0.1℃
|
0.1%RH
|
|||
|
Accuracy@25℃(77℉)
|
±60ppm + 3% of reading
|
±0.5℃(0℃~50℃)
|
±3%RH (20%-80%RH)
|
|||
|
Life time
|
15 years (normal)
|
10 years
|
||||
|
Calibration cycle
|
ABC Logic Self
Calibration
|
——
|
——
|
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Response Time
|
<2 minutes for 90% change
|
<10 seconds to reach 63%
|
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|
Warm up time
|
2 hours (first time)
2 minutes (operation)
|
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|
Electrical Characteristics
|
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Power supply
|
24VAC/VDC
|
|
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|
Consumption
|
3.5 W max. ; 2.5 W avg.
|
|
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|
Outputs
|
Two or three analog outputs
0~10VDC(default) or 4~20mA (selectable by jumpers)
0~5VDC (selected at place the order)
|
|
||||
|
Modbus RS485 interface (optional)
|
RS-485 with Modbus protocol, 19200bps rate, 15KV antistatic protection, independent base address
|
|
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Conditions of Using and Installation
|
|
|||||
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Operation conditions
|
-10~50℃(14~122℉); 0~95%RH, non condensing
|
|
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Storage conditions
|
0~50℃(32~122℉)/ 5~80%RH
|
|
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Weight
|
320g
|
|
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|
Installation
|
Fixed on the air duct with 100mm installation hole size
|
|
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|
IP class of the housing
|
IP50
|
|
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|
Standard
|
CE-Approval
|
|
||||
n Real time detection carbon dioxide of the air duct
n Detection high accuracy temperature and relative humidity
n Smart sensor probe with extendable probe may be easily installed into any air duct
n With the water-proof and porous film around the sensor probe
n Up to 3xanalog linear outputs for measurements
n Optional Modbus RS485 interface
n With or without LCD display
n CE-approval
Features
u Designed for real time detecting carbon dioxide,
temperature or relative humidity in air ducts.
u NDIR infrared CO2 sensor inside with special Self Calibration and up to 15 years’ lifetime. It makes CO2 measurement more accurate and reliable.
u Combined temperature and humidity digital sensor provide a high accuracy measurement in full range.
u Provide up to 3 analog outputs (0~10VDC or 4~20mA or 0~5VDC) for CO2 temperature and relative humidity.
u Optional Modbus RS485 communication interface.
u With LCD or without LCD selectable
u LCD display real-time measurements of CO2, temperature and relative humidity.
u Simple and smart design and installation of sensor probe with a water-proof and porous film
u Extendable probe meets more air duct systems
u 24VAC/VDC power supply.
u EU standard and CE-approval.
Detection Focus
üCarbon Dioxide (CO2)
Indoor CO2 level is a universal accepted parameter for the condition of indoor ventilation and air quality.
A time period can be preset from 1 to 24 hours, e.g. 5 hours, then the monitor can display CO2 average level during
this period, which provides an objective and true data for the measurement of the air quality in a certain space.
u Non-dispersive infrared (NDIR) CO2 sensor with more than 10-year lifetime
u ABC self-calibration technology guarantees reliable CO2 measurement
u CO2 range: 0~2000ppm/0~5000ppm optional
u Rapid response, high stability and consistency
üTemperature and humidity
Combined digital temperature and humidity sensor with high accuracy and stability. It also has compensation to
CO2 and air quality which makes the measurements more accurate by minimizing environmental effects.
Typical Applications
u Building management for office areas and residental
u Ventilation control system
Specifications
|
Monitoring parameters
|
CO2
|
Temperature
|
Relative humidity
|
|||
|
Sensing element
|
Non-Dispersive Infrared Detector (NDIR)
|
Digital combined temperature and humidity sensor
|
||||
|
Measuring range
|
0~2000ppm(default)
0~5000ppm
(selectable in the order)
|
0℃~50℃(32℉~122℉) (default)
|
0~100%RH
|
|||
|
Display Resolution
|
1ppm
|
0.1℃
|
0.1%RH
|
|||
|
Accuracy@25℃(77℉)
|
±60ppm + 3% of reading
|
±0.5℃(0℃~50℃)
|
±3%RH (20%-80%RH)
|
|||
|
Life time
|
15 years (normal)
|
10 years
|
||||
|
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