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CO2 Duct Transmitter with Temperature and Humidity Detection - TG9xx8

  • CO2 Duct Transmitter with Temperature and Humidity Detection
  • CO2 Duct Transmitter with Temperature and Humidity Detection
  • CO2 Duct Transmitter with Temperature and Humidity Detection
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• CO2 Measuring range​: 0~2000ppm/0~5000ppm optional
• Temperature​ Measuring range​: 0°C~50°C (32°F~122°F) (default)​
• Relative humidity​ Measuring range: 0~100%RH​
• Power supply​: 24VAC/VDC​
• Consumption​: 3.5 W max. ; 2.5 W avg. ​
• Operation temperature: 0~50°C (32~122°F)
​• Operation humidity​: 0~95%RH, non condensing​
• Analog Outputs: 0~10VDC or 4~20mA or 0~5VDC

  • Model Number: TG9xx8
  • Data Sheet: Date Sheet File
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Product Specification

CO2 Duct Transmitter With Temperature and RH% Detection
Model: TG9xx8


  • Real time detection carbon dioxide of the air duct
  • Detection high accuracy temperature and relative humidity
  • Smart sensor probe with extendable probe may be easily installed into any air duct
  • With the water-proof and porous film around the sensor probe
  • Up to 3xanalog linear outputs for measurements
  • Optional Modbus RS485 interface
  • With or without LCD display
  • CE-approval


TG9xx8 CO2 Duct Transmitter Features
• Designed for real time detecting carbon dioxide, temperature or relative humidity in air ducts.
• NDIR infrared CO2 sensor inside with special Self Calibration and up to 15 years’ lifetime. It makes CO2 measurement more accurate and reliable.
• Combined temperature and humidity digital sensor provide a high accuracy measurement in full range.
• Provide up to 3 analog outputs (0~10VDC or 4~20mA or 0~5VDC) for CO2 temperature and relative humidity.

 

TG9xx8 CO2 Duct Transmitter Detection Focus
Carbon 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.
  • Non-dispersive infrared (NDIR) CO2 sensor with more than 10-year lifetime
  • ABC self-calibration technology guarantees reliable CO2 measurement
  • CO2 range: 0~2000ppm/0~5000ppm optional
  • Rapid response, high stability and consistency

Temperature 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.

 

TG9xx8 CO2 Duct Transmitter Typical Applications
• Building management for office areas and residental
• Ventilation control system


TG9xx8 CO2 Duct Transmitter 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°C~50°C (32°F~122°F) (default)
 0~100%RH
Display Resolution
 1ppm
 0.1°C
 0.1%RH
Accuracy@25°C (77°F) 
 ±60ppm + 3% of reading
 ±0.5°C (0°C~50°C)
 ±3%RH (20%-80%RH)
Life time
 15 years (normal)
 10 years
Calibration cycle
 ABC Logic Self Calibration
 - -
Response Time
 <2 minutes for 90% change
 <10 seconds to reach 63%
Warm up time
 2 hours (first time)
2 minutes (operation)
Electrical Characteristics
Power supply
 24VAC/VDC
Consumption
 3.5 W max. ; 2.5 W avg. 
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
Conditions of Using and Installation
Operation conditions
 0~50°C (32~122°F); 0~95%RH, non condensing
Storage conditions
 0~50°C (32~122°F) / 5~80%RH 
Weight
 320g
Installation
 Fixed on the air duct with 100mm installation hole size 
IP class of the housing
 IP50 for no LCD
IP40 for with LCD
Standard
 CE-Approval


TG9XX8 CO2 Duct Transmitter Models Information

TG9X1 X2 8 L-Y02/05 E-Tab
X1:  
 analog output

3- 3Xanalog outputs for CO2 + Temperature + Humidity
1- 1xanalog output for CO2
0- no analog output
X2:  
 Modbus interface

1- with Modbus interface
0- no Modbus interface
8:  
 CO2 sensor code
L:  
 LCD display

Non-required option. No L indicates no LCD
Y:  
 default output type

A- 4~20mA
V- 0~10VDC (default)
V5- 0~5VDC (can’t be changed to another output by jumpers)
02/05:  
 CO2 measurement range

02-  0~2000ppm (default)
05-  0~5000ppm
E:  
 extended duct probe up to 209mm

Non-required option. No  E  indicates the standard probe length of 139mm
Tab:   temperature scaling

T05: 0°C~50°C (32°F~122°F) (default)
T06: 0°C~60°C (32°F~140°F)
No this item indicates no output for temperature measurement.


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