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Air Velocity Transmitter

Air Velocity Transmitter

Product Details:

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Product Description

AVT series devices include:

  • Separate readings and outputs for air velocity and temperature
  • Proportional output options: voltage (010 V) and current (420 mA)
  • PID controller for air velocity (-D models)
  • Three field selectable measurement ranges for air velocity, selectable with jumpers (models without display)
  • Freely selectable measurement range for air velocity via menu (-D models)
  • Field selectable measurement units (-D models):
  • air velocity: m/s, ft/min
  • temperature: Celsius, Fahrenheit

AVT series device options offer:

  • Display (-D models)
  • Field adjustable relay (-R models)
  • Modbus (-MOD models)

Specification

Air velocity measurement: Measurement range:
02 m/s, 010 m/s, 020 m/s, freely selectable
Accuracy (typ at 25 C):
v 0.15 m/s and 2 m/s (0.2 m/s + 2 % from reading)
v > 2 m/s and 10 m/s (0.5 m/s + 3 % from reading)
v > 10 m/s (1.0 m/s + 3 % from reading)
Temperature measurement: Measurement range:
-2550 C (probe)
Accuracy (25 C):
0.5 C (air velocity > 0.5 m/s)
Measuring units: Air velocity: m/s or ft/min
Temperature: C or F
Supply voltage: 24 VDC 10 % / 24 VAC 10 %
Current consumption: max. 80 mA + 40 mA with mA output + 10 mA with relay option (DC supply voltage)
Output signal 1 (T out [C]) : 010 Vdc, load > 1 k
420 mA, load 20400
Output signal 2 (v out [m/s]) : 010 Vdc, load > 1 k
420 mA, load 20400
Optional relay output: 250 Vac, 6 A res., adjustable operating direction, switching point and hysteresis
Operating temperature: -2550 C (probe)
050 C (transmitter housing)
Probe: Stainless steel, adjustable immersion length, mounting flange included
Protection standard: IP54, cable downwards
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