Carbon Dioxide Detector/ IAQ Monitor With Analogs Linear Output And Modbus

Place of Origin:	Guangdong

Company Profile

Tongdy Control Technology Co., Ltd

Location:	Beijing, China (Mainland)
Business Type:	Manufacturer
Main Products:	CO2 Monitor, CO2 Controller, CO2 Transmitter

Product Detail

Model No.:	AIA-1

Product Description

Specifications

Monitoring parameters	CO₂	Air Quality (VOC’s)	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)	1~30ppm	0~50(default) -20~60 selectable	0~100%RH
Display Resolution	1ppm	5ppm	0.1	0.1%RH
Accuracy@25(77)	±30ppm + 3% of reading	±10%	±0.5	±3%RH
Life time	15 years (normal)	57 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	72 hours (first time) 1 hour (operation)

Electrical Characteristics
Power supply	24VAC/VDC
Consumption	3.5 W max. ; 2.5 W avg.
Outputs	Up to three analog outputs 0~10VDC (default) or 4~20mA (selectable by jumpers) 0~ 5VDC (selected in placing order, cannot be changed)
Modbus interface	RS-485 with Modbus protocol, 19200bps rate, 15KV antistatic protection, independent base address.

Display and Alarm
LCD Display	White backlit LCD display: CO2+VOC+Temperature&Humidity measurement
Conditions of Using and Installation
Operation conditions	-20~60(-4~140); 0~95%RH, non condensing
Storage conditions	0~50(32~122)/ 20~60%RH
Weight	240g
Dimensions	130mm(L)×85mm(W)×36.5mm(H)
Installation	Wall mount (65mm×65mm or 85mmX85mm or 2”×4” wire box)
Housing IP class	PC/ABS, protection class: IP30
Standard	CE-Approval

Features

Designed for real time measuring ambiance carbon dioxide level, air quality (VOC’s), temperature and relative humidity.
NDIR infrared CO₂ sensor inside with special Self Calibration. It makes CO2 measurement more accurate and reliable.
More than 10 years lifetime of CO₂ sensor.
Mix gases sensor with high sensitivity for VOC and cigarette.
Combined both humidity and temperature sensors seamlessly with digital auto compensation
Provide up to 2 or 3 analog outputs for CO2, air quality (VOC’s) and temperature/relative humidity (can be selected by end user via jumpers)
With LCD or without LCD selectable
LCD display CO2, temperature and humidity measurements as well as air quality (VOC’s) level.
Wall mounting type with easy installation, duct type selectable
Modbus RS485 interface with outputs for CO2, temperature, humidity and air quality (VOC’s).
24VAC/VDC power supply
EU standard

Application

Building ventilation systems
Industry ventilation systems
Airport, train station, shopping mall, office, classroom and other public places for air quality measurement and indication

Dimention & Mounting

Models Guide

G01-IAQ-B X Y C –Z 0 1 – U 02/05 – Tab

X: LCD or no LCD
     1- basis type without LCD
     3- standard type with LCD (LCD displays real-time measurement of CO2+air quality+Temp.+RH)

Y: Power socket
     0- without a power socket
     3- with a power socket to connect a power adaptor

C: 24VAC/VDC power supply

Z: analog output
     3-3Xanalog outputs for CO2+air quality +Temp.(default)/RH (selectable by jumpers)
     2-2xanalog outputs for CO2+air quality
     0-no analog output
U: default analog output type
     A- 4~20mA
     V- 0~10VDC (default)
     V05- 0~5VDC

02/05: CO2 range
     02- 0~2000ppm
     05- 0~5000ppm

Tab: temperature scaling

T05- 0~50 (default)

T06- 0~60

T26- -20~60

Accessory (selectable at placing the order)

921: back plate for wall mounting
921+922: desktop bracket

Wiring Diagram

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