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Home > Products > Temperature / Humidity /  CO2 / CO Transmitter > VTRH-300D Duct-mount Temperature / Humidity Transmitter (Discontinued Products)  
 
  VTRH-300D Duct-mount Temperature / Humidity Transmitter (Discontinued Products)  
 

 

 

Catalog

Software
  • CMOSENS technical develop temperature & humidity sensor
  • 4~20mA or 0~10V can use along with PLC, DDC, DCS system control
  • RS-485 communication (MODBUS RTU mode)
  • Original set point reset
  • ZERO and SPAN inner digital key for user to adjust
  • High accuracy, high stability & fast response, exquisite, save electric, anti-noise
  • HVAC cooling system available. 
  • Applications
    measuring and control of air humidity at: 
  • building HVAC management 
  • building HVAC automation 
  • warehouses 
  • glasshouses
  • manufacturers
  • museums, archives, galleries
  • air-conditioned rooms 
  • weather stations 
  • compressed air measurement
 
Specification
Sensor Measuring Range Temperature Range: -40~100°C
Relative Humidity: 0~100%
Measuring Resolution Temperature: 0.1°C
Relative Humidity: 0.1%
Measuring Accuracy Temperature: ±0.4°C (typ. @25°C)
Relative Humidity: ±3% RH (20~80%RH @25°C)
Response Time Temperature: 5~30 Sec.
Relative Humidity: 8 Sec. (typ.) Time for reaching 63% of a step function, valid at 25°C and 1 m/s airflow.
Sampling Time 1 Sec.
Transmitter Operation Temperature -20~70°C (with LCD display)
-20~80°C (without LCD display)
Power Supply 12~30Vdc
Power Comsumption 1W Max.

Current Consumption

<4mA
Output Analogue output: 4~20mA for 0~100% RH and 4~20mA for temperature range 0~50°C, 0~100°C or -50~50°C selectable.
RS-485 Communication: Modbus RTU mode Protocol with 9600/19200 Baud Rate.
Protection Electronics enclosure - IP64
Sensor capsule - IP40
CE Compatibility EN61326-1
 
 
 

 

 
 
 
 
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