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Tongdy Control Technology Co., Ltd
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Gold Index: 9977
Modbus RS 485 VOC Gas Detector / VOC Sensors For Air Measuring
| Place of Origin: | Guangdong, China (Mainland) |
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Product Detail
Specifications
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Specifications
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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. |
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Sensing element |
Semiconductor mix gas sensor |
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Power supply |
24VAC/VDC |
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Consumption |
2.8 W |
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Response Time |
<5 minutes for 90% step change |
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Warm up time |
48 hours (first time), 1 hour (normal operation) |
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VOC’s measuring range |
130ppm |
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Display resolution |
0.1ppm |
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Temperature & Humidity Sensor |
Temperature |
Relative Humidity |
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Sensing element |
NTC |
Capacitive sensor |
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Measuring range |
0~50 |
0 -95%RH |
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Accuracy |
±0.5 (25, 40%-60%RH) |
±4.5%RH (25, 40%-60%RH) |
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Display resolution |
0.5 |
1%RH |
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Stability |
±0.5per year |
±1%RH per year |
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Analog output |
010VDC linear output or PID control output, programmable selection |
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Output resolution |
10Bit |
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Relay output |
Two dry contact outputs with programmable selection to control VOC, temperature, humidity. Rated switching current 2A(220VAC/30VDC), resistance load |
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Modbus interface |
Modbus RS-485 protocol. 19200bps(default) 15KV antistatic protection, independent base address, 31 max network nodes |
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Operation temperature |
050(32122) |
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Operation humidity |
095%RH,non condensing |
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Storage conditions |
050(32122) |
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Net Weight |
280g |
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Dimensions |
120mm×90mm×24mm |
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Installment standard |
65mm×65mm or 2”×4” wire box |
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Interface connections (Max.) |
10 terminals |
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Wiring standard |
Wire section area <1.5mm2 |
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Quality System |
ISO 9001 |
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Programming and selection |
Via DIP switch and external push-buttons |
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Outputs (max.) |
1~2 dry contact relay outputs, 1X0~10V output |
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Features
1. Real time monitor ambiance air quality with a mix gas sensor
2. Japanese semiconductor gas sensor with 5~7 years long life
3. Monitor temperature and relative humidity
4. LCD display air quality as well as temperature and humidity, fan status etc. Makes reading and operating easy and accurate.
5. user-friendly setting buttons
6. Temperature and humidity compensation makes the IAQ measurement more consistent in different environments
7. Modbus RS-485 communication interface optional, 15KV antistatic protection, independent base address setting
8. Up to 1x0~10V analog output and 2xrelay dry-contact outputs
9. Two alternatives for the analog output : linearized over full range output or PID control output.
10. The relays can be selected to control IAQ , temperature or humidity (programmable setting)
11. Timer of turning-off function for the ventilator device from 0.5 to 12 hours.
12. Low power consumption
Application
1. Ambiance air quality detection and alert
2. Ventilation control
3. Air quality monitors
4. Odor monitors.
LCD & Buttons
Wiring Diagram
Dimention & Mounting
Related Search
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Company Info
Tongdy Control Technology Co., Ltd [China (Mainland)]
Business Type:Manufacturer
City: Beijing
Province/State: Beijing
Country/Region: China (Mainland)
