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AVUL-5DA1 | Air velocity transmitter | 5% accuracy | duct mount | universal current/voltage outputs | Dwyer

Air velocity transmitter, 5% accuracy, duct mount, universal current/voltage outputs

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Air velocity transmitter | 5% accuracy | duct mount | universal current/voltage outputs

SERIES AVUL AIR VELOCITY TRANSMITTER

3% and 5% Models

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

Product Applications

VAV systems
Building ducts

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

Specifications

Series: AVUL AIR VELOCITY TRANSMITTER
Service: Clean air and non-combustible; compatible gases.
Wetted Materials: Consult factory.
Range: 1000; 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 Limits: 32 to 122°F (0 to 50°C).
Power Requirements: 24 VDC ±20% or 24 VAC ±20%.
Humidity Limits.: 5 to 95% RH; non-condensing.
Output Signals: 4 to 20 mA; 0 to 5 VDC; 0 to 10 VDC.
Response Time (90%): 10 s; typical.
Zero & Span Adjustments: Digital push buttons.
Output Load Resistance: Current output: 0 to 1100 Ω max.; Voltage output: Minimum load resistance 1 kΩ.
Current Consumption: 60 mA max.
Display: 5 digit LCD (optional).
Electrical Connections: Analog; power and output: four wire removable European style terminal block for 16 to 26 AWG.
Communication: Connections: 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 Load: 1/8th unit load.
Electrical Entry: 1/2" NPS thread. Accessory: Cable gland for 5 to 10 mm diameter cable; A-151.
Enclosure Rating: NEMA 4X (IP66).
Mounting Orientation: Flow direction must be parallel to the sensor tip.
Weight: 6.0 oz (160 g).
Agency Approval: BTL; CE.