Dwyer Instruments AVUL-3DM1-LCD | Air velocity transmitter | 3% of reading accuracy | Duct mount | Modbus® communications | with LCD

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Part Number : AVUL-3DM1-LCD

Air velocity or volumetric flow is measured rapidly and precisely in either imperial or metric values using the Model AVUL-3DM1-LCD Air Velocity Transmitters. All models provide simultaneous current and voltage outputs that allow for universal inputs to monitoring devices. Local DIP switches can be used to customize the output range, units, and 4–20 mA, 0–5/10 VDC output. A practical means of locally monitoring process values and configuring the device is through the optional integral display or the portable remote display tool. The optional BACnet MS/TP or Modbus® RTU/ASCII communication protocol enables units to be daisy-chained while providing access to all of the velocity and flow data, as well as extra information. versions are available in 3% and 5% reading accuracy versions to accommodate a variety of applications.

Specification
Features
Catalog

Specifications

Details

Manufacturer

Dwyer Instruments

Type

Air Velocity Transmitter

Material

Wetted: 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

Maximum operating temperature

32 to 122°F (0 to 50°C)

Power

24 VDC ±20% or 24 VAC ±20%

Humidity

Limit: 5 to 95% RH, non-condensing

Output Signal

4 to 20 mA, 0 to 5 VDC, 0 to 10 VDC

Response Time

10 s, typical

Current consumption [mA]

60 mA max

Display

5 digit LCD (optional)

Connection

Electrical: 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)

Enclosure Rating

NEMA 4X (IP66)

Mounting

Orientation: Flow direction must be parallel to the sensor tip

Weight

6.0 oz (160 g)

Approvals

BTL, CE

Loop Resistance

(-A models ) 700 Ω

Maximum Startup Current

85 mA; 10 V

Output Current

(-V models) >10 mA

Output Load Resistance

Current output: 0 to 1100 Ω max.
Voltage output: Minimum load resistance 1 kΩ

Device Load

1/8th unit load