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Contact Person : Ms. Tian Maggie
Company Name : Tongdy Control Technology Co., Ltd.
Tel : 86-10-58731276,58731277,58731278
Fax : 86-10-58731275
Address : Beijing,Beijing,3-3-5F, IN-DO Mansion, No.Jia 48 ZhiChun Road Haidian District, Beijing. China
Country/Region : China
Zip : 100098

Hot selling VOC Monitor / Detector

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Product Detailed

Related Categories:Other Measuring & Analysing Instruments

1.up to 1 analog output and 2 dry contact outputs 2.temperature and humidity detection 3.RS485 communication interface

Hot selling VOC Monitor / Detector

1) Real time monitoring ambiance air quality with 0~30ppm complex detection range

2) LCD displaying air contaminants with temperature and humidity(optional) at the same time.

3) Also as the controller of VOC including temperature and humidity (optional).

4) Locale adjustable IAQ: 0~30ppm; temperature:5~45; humidity:595%RH

5) RS-485 communication interface optional, 15KV antistatic protection, independent base address setting

6) Japanese Figero semiconductor sensor inside, 5~7 years long life

7) Low power consumption

8) Microprocessor control with quickly response

9) Providing 1x0~10V analog output and up to 2xrelay dry-contact outputs.

10) Analog output with two alternatives: linearized over full range output or PID control output.

11) The relays can be selected to control IAQ , temperature or humidity (programmable setting)

12) Timer of turning-off function from 0.5 to 12 hours for the fan.

13) Two type selectable: standard type and domestic type.

14) Many models to be selected to extend more applications.

¨ Application

u Ambiance air quality detection and alert

u Ventilation control

u Air quality monitors

u Odor monitors.

¨ Specifications

Gas detected	VOCs ( toluene emitted from wood finishing and construction products); Cigarette smoke( hydrogen, carbon monoxide); ammonia and H2S, alcohol, natural gas and smell by people’s body.
Sensing element	Semiconductor mix gas sensor
Power supply	24VAC/24VDC 230VAC or 110VAC
Consumption	2.8 W
Response Time	<5 minutes for 90% step change
Warm up time	48 hours (first time), 1 hour (normal operation)
VOC measuring range	0~30ppm
Display resolution	0.1ppm
Temperature & Humidity Sensor	Temperature	Relative Humidity
Sensing element	NTC	Capacitive sensor
Measuring range	0~50°C	0 -95%RH
Accuracy	±0.5°C (25°C, 40%-60%RH)	±4%RH (25°C, 40%-60%RH)
Display resolution	0.5°C	1%RH
Stability	±0.5°Cper year	±1%RH per year
Analog output	0~10VDC linear output or PID control output, programmable selection
Output resolution	10Bit
Relay output	Two dry contact outputs with programmable selection to control VOC, temperature, humidity. Rated switching current 2A(220VAC/30VDC), resistance load
Modbus interface	Modbus RS-485 protocol. 19200bps(default) 15KV antistatic protection, independent base address, 31 max network nodes
Operation temperature	0~50°C(32~122°F)
Operation humidity	0~95%RH,non condensing
Storage conditions	0~50°C(32~122°F)
Net Weight	280g( 24V power supply) 320g(110V/230V power supply)
Dimensions	120mm×90mm×24mm for 24VAC/DVC power supply 120mm×90mm×24mm+28.5mm bulge for 220VAC/110VAC power supply
Installment standard	65mm×65mm or 2”×4” wire box
Interface connections (Max.)	10 terminals
Wiring standard	Wire section area <1.5mm2
Quality System	ISO 9001
Programming and selection	Via DIP switch and external push-buttons
Outputs (max.)	1~2 dry contact relay outputs, 1X0~10V output

Hot selling VOC Monitor / Detector

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