VOC Monitor Application in Indoor Room
Specifications
LCD display VOC and temp&RH%1x0~10VDC output and 2xrelay outputs
.RS-485 communication interface optional with 15KV antistati
VOC Monitor application in indoor room
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) | ±3%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 | -40~70°C(-40~158°F) | |
Net Weight | 280g( 24VAC) 320g(110VAC/230VAC) | |
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 monitor ambiance air quality with a semiconductor mix gas sensor with 5~7 years long life
2.Special design to detect indoor air quality in offices and home environments.
3.Its internal mix gas sensor has high sensitivity not only to TVOC's such as toluene emitted from wood finishing and construction products but also to other air contaminants which are emitted by cigarette smoke, ammonia and H2S. Its also sensitive to carbon monoxide, alcohol, natural gas and smell from peoples body.
4.LCD displays IAQ level and temperature, humidity(option), fan status etc. Makes reading and operating easy and accurate.
5.All models feature user-friendly setting buttons
6.RS-485 communication interface optional with 15KV antistatic protection,
7.Up to 1x0~10V analog output and 2xrelay dry-contact outputs
8.Two alternatives for the analog output : PID control output or linearized over full range output
9.The relays can be selected to control IAQ , temperature or humidity (programmable setting)
10.Timer of turning-off function for the ventilator device from 0.5 to 12 hours.
11.Low power consumption
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