- Moisture Meters[4]
- Temperature Instruments[10]
- Gas Analyzers[8]
- Carbon Analyzers[10]
- Sensors[4]
- HVAC Systems & Parts[10]
- Other Home Appliance Parts[4]
- Refrigeration & Heat Exchange Parts[1]
- Air Conditioner Parts[2]
- Air Conditioning System[1]
- Floor Heating Systems & Parts[2]
- Instrument Parts & Accessories[2]
- Alarm[10]
- Other Measuring & Analysing Instruments[8]
- Other Electronic Measuring Instruments[4]
- Remote Control[1]
- Smoke Detector[1]
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- Other Electrical Equipment[2]
- 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
OEM Service VOC Detectors
OEM Service VOC Detectors
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 | |
Features:
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.
OEM Service VOC Detectors
