CO2 Detector

06-May-2019

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Categories: GasDNA Gas Detector

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CD-30M/30I

CD-30M/30I are designed for air conditioning system being installed on air conditioning duct system. With built-in transmitter, CD-30M/30I can detect CO2 gas density using NDIR (Non Dispersive Infrared) and convert the measured density signal into linear current or voltage signal to be transmitted to external monitoring unit or controlling unit such as PLC or DDC.

[ Features ]

Non Dispersive Infrared(NDIR) CO2 sensor

highest detection accuracy and the longest sensor life time with the least affection from other gases.

Built-in transmitter

Built-in transmitter transforms the sensor signal into stable standard current output signal (4-20mA) to be transmitted to external controlling equipments such as PLC or DDC.

Robust metal housing

RS-485 enables stables stable and long distance (maximum 1.2km) signal communication.

[ Sensor options ]


Measurement range	accuracy(±)
0~2,000ppm / 0~5,000ppm	30ppm ± 5% rel.
0~2.00%	200ppm ± 5% rel.

[ Specification ]


	CD-30M	CD-30I
Mounting type	Wall mounting	Duct mounting
Detection principle	NDIR (Non-Dispersive Infrared)
Detection method	Diffusion
Response time	within 20 seconds, 90%/full scale
Accuracy	≤2% /full scale
Zero variance	<±0.3% / full scale / year
Measurement range	0~2,000ppm / 0~5,000ppm / 2.00%
Output	4-20mA
D/A resolution	12bit
D/A accuracy	Voltage mode: ±2% / reading ±20mV, current loop: ±2% / reading ±0.3mA
Input power	24V AC/DC ±20%, 50~60Hz
Power consumption	≤3W
Signal wire	CVVS & CVVSB 1.25sq X 3 wire – shield type
Terminal	Screw terminal
Housing	Metal case with metal tube
Operation temperature / humidity	0~50℃ / 0~95% RH (non-condensing)
Initialization time	Within 1 min

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VG Instruments (SEA) Sdn Bhd (903421-U)
12A, Jalan Dagang SD2/1G, Bandar Sri Damansara, 52200 Kepong, Kuala Lumpur, Malaysia.

Tel: +603-6259 8363
Fax: +603-6259 9363

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6019-312 3363