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Duct Co2 and VOC Transmitter

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US$ 1 - 2 MOQ: 10 Units
Key Specifications
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Place of Origin:
Beijing, China
Brand Name:
Tongdy
Model Number:
TG9 Series
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Tongdy Sensing Technology Corporation (Beijing)
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Port of Shipment:
China
Delivery Detail:
Delivery time depends on order quantity.

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Place of Origin Beijing, China
Brand Name Tongdy
Model Number TG9 Series

Specifications

1.Real time probe detect carbon dioxide and air quality (VOC) of an air duct
2.Up to 3xanalog linear outputs
3.Modbus RS485

Duct Co2 and VOC transmitter

Duct Co2 and VOC transmitter

Monitoring parameters

CO2

Air Quality (VOC)

Temperature

Relative humidity

Sensing element

Non-Dispersive Infrared Detector (NDIR)

Semiconductor mix gases sensor

Digital combined temperature and humidity sensor

Measuring range

0~2000ppm(default)

0~5000ppm

 (selectable in the order)

0~30ppm

-20~60°C

0~100%RH

Display Resolution

1ppm

5ppm

0.1°C

0.1%RH

Accuracy@25°C(77°F)

±40ppm + 3% of reading

±10%

±0.5°C

±3%RH

Life time

15 years (normal)

5~7 years

10 years

Calibration cycle

ABC Logic Self

Calibration

        ——

——

——

Response Time

<2 minutes for 90% change

<1 minute

(for 10ppm hydrogen,

30ppm ethanol)

<5 minute

(for a cigarette)

in 20m2 room

<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

0~10VAC or 4~20mA selectable by jumpers

 

Modbus RS485 interface (optional)

RS-485 with Modbus protocol, 19200bps rate, 15KV antistatic protection, independent base address

 

Conditions of Using and Installation

 

Operation conditions

-10~50°C(14~122°F); 0~95%RH, non condensing

 

Storage conditions

-40~70°C(-40~158°F)/ 5~95%RH

 

Weight

320g

 

Installation

Fixed on the air duct with 100mm installation hole size

 

IP class of the housing

PC/ABS

IP54 for without LCD models; IP40 for with LCD models

 

Standard

CE-Approval

 

 

 1.Designed for real time detecting carbon dioxide, air quality, temperature or relative humidity in air ducts.

2.NDIR infrared CO2 sensor inside with special Self Calibration and up to 15 years’ lifetime. It makes CO2 measurement more accurate and reliable.

3.Mix gases sensor with high sensitivity for VOCs results from new furnishings, wall coverings, office equipment, body odor, tobacco smoke, etc.

4.Combined temperature and humidity digital sensor provide a high accuracy in full range.

5.Provide up to 3 analog outputs (0~10VDC or 4~20mA) for CO2, air quality (VOC) and temperature or relative humidity.

6.Optional Modbus RS485 communication interface.

7.With LCD or without LCD selectable

8.LCD display real-time measurements of CO2, air quality (VOC), temperature and relative humidity.

9.Simple and smart design and installation of sensor probe with a water-proof and ventilated filter

10.Extendable probe meets more air duct systems

11.24VAC/VDC power supply.

12.EU standard and CE-approval.

Duct Co2 and VOC transmitter

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Tongdy Sensing Technology Corporation (Beijing)
Business Type
Manufacturer, Trading Company
Year Established
1999
Factory Size
Below 1,000 square meters
Total Employees
Fewer than 5 People
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