Air Velocity Transmitter AVT-series

• Sensor Placement: Located at the probe tip for accurate air velocity and temperature measurements.
• Enclosure Design: IP65-rated housing with easy access via one screw and two snap lids. Includes a plastic cable entry gland.
• Probe Material: Durable plastic construction for long-term use.
• Mounting Flange: Includes a duct mounting flange with a neoprene gasket for secure and adjustable installation.
• Optional Features (On Request):
  • Alternative outputs (2-10 Vdc, 0-5 Vdc, or 1-5 Vdc)
  • Second output (AO2) configurable for temperature output instead of air velocity

This detailed breakdown ensures all product features and differentiators are presented clearly for easy selection based on application requirements.

AVT 251

Air Velocity transmitter

Ranges 0-5 m/s, 0-10 m/s, 0-15 m/s or 0-20 m/s, DIP switches selectable

Output 1 (AO1) : 4-20 mA

Output 2 (AO2) : 0-10 Vdc

AVT 551

Air Velocity transmitter

Ranges 0-1 m/s, 0-2 m/s, 0-3 m/s or 0-5 m/s, DIP switches selectable

Output 1 (AO1) : 4-20 mA

Output 2 (AO2) : 0-10 Vdc

AVT 251 MDR2B

Air Velocity transmitter

Ranges 0-5 m/s, 0-10 m/s, 0-15 m/s or 0-20 m/s, DIP switches selectable

Output 1 (AO1) : 4-20 mA

Output 2 (AO2) : 0-10 Vdc

Modbus RS485 communication

LCD Display

2 x Relay outputs

Buzzer

AVT 551 MDR2B

Air Velocity transmitter

Ranges 0-1 m/s, 0-2 m/s, 0-3 m/s or 0-5 m/s, DIP switches selectable

Output 1 (AO1) : 4-20 mA

Output 2 (AO2) : 0-10 Vdc

Modbus RS485 communication

LCD Display

2 x Relay outputs

Buzzer

The 4 above types are standard types, other types available in technical data sheet.”