VOC Monitor / Detector

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 peoples body. Sensing element Semiconductor mix gas sensor Temperature sensor NTC Humidity sensor HS series capacitive sensor Power supply 24VAC/24VDC (220VAC or 110VAC selectable with orders)Consumption 2.8 W Response Time <5 minutes for 90% step change Signal update 1s Warm up time 48 hours (first time), 1 hour (normal operation) VOC measuring range 030ppm Display resolution 0.1ppm VOC setting resolution 0.1ppm Temperature measurement range 050(32122) Temperature setting range 545(41113) Humidity measurement range 099 %RH Humidity setting range 595%RH Analog output 010VDC linearized 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 Communication interface RS-485, 9600/14400/19200(default)/28800 or 38400bps (programmable selection), 15KV antistatic protection, 3 independent base address, 31 max network nodesOperation temperature 050(32122)Operation humidity 095%RH,non condensing Storage conditions -4070(-40158) Net Weight 280g( 24VAC) 320g(110VAC/220VAC) 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 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 ofVOC 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.