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Teren AVT Hot-Film Air Flow Velocity Transmitter

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IAF-T-249-C-LCD-AN1-L21

Out of Stock| Backorders available (ETA 3-weeks)

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$475.00 NZD
$475.00 NZD
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The Teren AVT Thermal Air Velocity Transmitter/Sensor is designed for air velocity monitoring and controlling, suitable for most HVAC applications.  Based on the thermal anemometer principle, it uses an innovative and sensitive hot-film sensor, which is insensitive to dust and dirt, and easy to install and maintain. The transmitter has no moving parts, providing accurate, reliable, sensitive, and long-term measurement, with wide-range temperature compensation. Digital technology is applied to ensure output linearity and accuracy. Overvoltage and reverse polarity protection enhance reliability and anti-interference capacity. Multiple outputs are available, with an optional relay for alarm or ON/OFF control. The device features 4 field jumper selectable ranges: 0~5/10/15/20 m/s. An optional LCD and function keys support various functions such as parameter setting, modifying, and calibrating.

Key Features

  • Based on the thermal anemometer principle
  • Innovative and sensitive hot-film sensor
  • Insensitive to dust and dirt
  • Easy to install and maintain
  • No moving parts
  • Accurate, reliable, and sensitive measurement
  • Wide range temperature compensation
  • Digital technology for output linearity and accuracy
  • Over voltage and reverse polarity protection
  • High reliability and anti-interference capacity
  • Multiple outputs available
  • Optional relay for alarm or ON/OFF control
  • 4 field jumper selectable ranges
  • Optional LCD and function keys for parameter setting, modifying and calibrating

Technical Specifications

Parameter Value
Air velocity sensor Hot-film sensor
Range 0-5/10/15/20m/s or 0-16/32/48/64ft/s, jumper selectable or 0~5/10/15/20m/s or other (0~25m/s optional)
Accuracy ±(0.2m/s+5% reading) or ±0.2m/s+3% reading) @0.5-20m/s or ±(0.65ft/s+5% reading) or ±0.65ft/s+3% reading) @1.6-64ft/s, 25°C, 55%RH, 1013hPa or <±(0.4m/s+3% reading) @1~20m/s,25°C,55%RH, 1013hPa
Response time typical 2s or 2s
Angle dependence < 3% reading @ |Δα| < 10° or <3%reading @ | Δα | <10°
Temperature compensation 10~40°C or 10~40°C
Temp. output (option) range 0~50°C, accuracy < ±0.5°C @25°C or Sensor: Digital temperature sensor, Range: 0-50°C, Accuracy: <±0.5°C@0-50°C, Response time: 10s
Output 4~20mA (3 wires), 0~10/0~5VDC, RS485/Modbus or 4~20mA(3 wires), 0~10VDC, RS485/Modbus, or Relay: 1xSPDT, 1A/30VDC, 0.5A/125VAC
Output Load ≤500Ω(current), ≥2kΩ(voltage) or ≤500Ω(current), ≥2KΩ(voltage)
Display LCD, with unit m/s or ft/s, DIP switch selectable or LCD, with unit m/s or ft/s, DIP switch selectable
Power 16-28VAC/16~35VDC or 16-28VAC/16~35VDC
Working Environment -20~70°C, 0~95%RH(Non cond.) or -20-85°C, 0~95%RH(Non cond.)
Housing fire retardant PC (UL94 V-0) or Fire-proof ABS
Protection IP65 or IP65
Weight 440g
Approval CE

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