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Starting at $234.15USD
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Dwyer

AVUL Air Velocity Transmitter

Quickly and accurately measures air velocity or volumetric flow in imperial or metric units

Starting at
$234.15USD
Have questions? We're here to help!
Have questions? We're here to help!
Configure

The Series AVUL Air Velocity Transmitters quickly and accurately measures air velocity or volumetric flow in imperial or metric units. Simultaneous current and voltage outputs on all models provide universal inputs to monitoring equipment while the output range, units, and 0 to 5/10 VDC, 4-20 mA output can be configured via local DIP switches. The optional integral display, or the portable remote display tool, provide a convenient way to locally monitor process values and configure the unit. Models are available in 3% and 5% of reading accuracy models to suit a variety of needs, and the optional BACnet MS/TP or Modbus® RTU/ASCII communication protocol allows units to be daisy-chained while providing access to all of the velocity and flow data, as well as additional information such as air temperature.

• Sensing elements have been coated with an engineered conformal coating to ensure durability and longevity
• Field selectable ranges can be quickly configured without power to the unit
 

ServiceClean air and non-combustible, compatible gases
Wetted MaterialsConsult factory
Range1000, 2000, 3000, 4000 FPM (5, 10, 15, 20 m/s); field selectable
Accuracy± (5% of reading + 0.2 m/s) or ± (3% of reading + 0.2 m/s) @ standard conditions, depending on model
Temperature Limits32°F - 122°F (0°C - 50°C)
Power Requirements24 VDC ± 20% or 24 VAC ± 20%
Humidity Limits5% - 95% RH, Non-condensing
Output Signals4 - 20 mA, 0 - 5 VDC, 0 - 10 VDC
Response Time (90%)10 s, typical
Zero & Span AdjustmentsDigital push buttons
Output Load ResistanceCurrent output: 0 Ω - 1100 Ω max.;
Voltage output: Minimum load resistance 1 kΩ
Current Consumption60 mA max
Display5 digit LCD (optional).
Electrical ConnectionsAnalog; power and output: four wire removable European style terminal block for 16 to 26 AWG
CommunicationConnections: BACnet MS/TP or Modbus® RTU/ASCII: three wire removable European style terminal block for 16 to 26 AWG; Supported baud rates: 9600, 19200, 38400, 57600, 76800, 115200. (optional)
Device Load1/8 th unit load
Electrical Entry1/2 in NPS thread. Accessory: Cable gland for 5 mm - 10 mm diameter cable, A-151
Enclosure RatingNEMA 4X (IP66)
Mounting OrientationFlow direction must be parallel to the sensor tip
Weight6.0 oz (160 g)
Agency ApprovalCE

• VAV systems
• Building ducts

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