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  VT1000 HVAC / Temperature, Humidity & CO Transmitter  
 

 

 

Catalog

Software
  • Retransmission Output : 4~20mA or 0~10V
  • CO (Carbon monoxide) Measuring Method : Electrochemistry
  • Communication Output : RS485 MODBUS RTU (option)
  • Temperature / Humidity sensing element : CMOSens sensor
  • Configured using a PC with free software and interface
    cable (option)
  • Process value offset adjustable (available on CO with Temperature and Humidity display type / option)
  • Digital keypad to adjust output calibration
  • Backlight LCD Indication to show CO concentration

 

 
Specification
CO Measuring method Electrochemistry
Temperature / Humidity
Sensing element
CMOSens sensor
Load Resistance 4~20mA Current output : max. 500Ω
1~5V / 2~10V Voltage output : min. 600Ω
A / D Resolution 15 bits
Output Response Time <200 ms
RS485 RS485 MODBUS RTU : N81、N82、O81、E81 Format
Baud Rate 2.4K、4.8K、9.6K、19.2K、38.4K、57.6K、115.2K
RS485 Address 1~255

Display Type
(specify when ordering)

CO with Temperature and Humidity / CO
CO Sampling Time 60 seconds
Temperature / Humidity
Sampling Time
1~10 seconds available
CO Measuring Range 0~100ppm or 0~300ppm or 0~500ppm
(specify according to customer’s requirement)
Operating Temperature
and Condition
Temperature : -10~50°C
Humidity : 0~100% RH (non-condensing)
CO Measuring Accuracy ±10ppm
Temperature / Humidity
Measuring Accuracy
±3%RH (10~90%RH) (at 25°C),±0.4°C (at 25°C)
(power supply 24VDC, operating temperature at 25°C)
Backlight LCD Indication Green : 0~9ppm
Blue : 10~30ppm
Orange : >31ppm
(other LCD colors available on request)
Power Supply DC 24V
Current consumption DC 50mA
Housing ABS
Dimensions Length 135mm x Width 85mm x Height 40mm
 
 
 

 

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