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Air Velocity Transmitters
Series AVUL Air Velocity Transmitter

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Representative image displayed of AVUL-3DM1|Actual product may vary

AVUL-3DM1

Representative image displayed of AVLV-1DA1|Actual product may vary

AVLV-1DA1

Series AVUL Air Velocity Transmitter

3% and 5% Models of Reading Accuracy

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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.

Product Applications

VAV systems
Building ducts

Starting at $214.00

Filter By

3% of Reading Accuracy Units

3% of Reading Accuracy Units with LCD

5% of Reading Accuracy Units

5% of Reading Accuracy Units with LCD

Grouped product items
Model	Description	Availability*	Qty	Price
AVUL-3DA1	Air velocity transmitter, 3% of reading accuracy, duct mount, universal current/voltage outputs	1-3 days*		$335.00
AVUL-3DA1-LCD	Air velocity transmitter, 3% of reading accuracy, duct mount, universal current/voltage outputs with LCD	1-3 days*		$389.00
AVUL-3DB1	Air velocity transmitter, 3% of reading accuracy, duct mount, BACnet communications	1-2 Weeks*		$461.00
AVUL-3DB1-LCD	Air velocity transmitter, 3% of reading accuracy, duct mount, BACnet communications, with LCD	1-2 Weeks*		$515.00
AVUL-3DM1	Air velocity transmitter, 3% of reading accuracy, duct mount, Modbus" communications	1-2 Weeks*		$461.00
AVUL-3DM1-LCD	Air velocity transmitter, 3% of reading accuracy, duct mount, Modbus® communications, with LCD	1-2 Weeks*		$515.00
AVUL-5DA1	Air velocity transmitter, 5% of reading accuracy, duct mount, universal current/voltage outputs	1-3 days*		$214.00
AVUL-5DA1-LCD	Air velocity transmitter, 5% of reading accuracy, duct mount, Universal current/voltage outputs, with LCD	1-3 days*		$268.00
AVUL-5DB1	Air velocity transmitter, 5% of reading accuracy, duct mount, BACnet communications	1-2 Weeks*		$340.00
AVUL-5DB1-LCD	Air velocity transmitter, 5% of reading accuracy, duct mount, BACnet communications, with LCD	1-2 Weeks*		$394.00
AVUL-5DM1	Air velocity transmitter, 5% of reading accuracy, duct mount, Modbus® communications	1-2 Weeks*		$340.00
AVUL-5DM1-LCD	Air velocity transmitter, 5% of reading accuracy, duct mount, Modbus® communications, with LCD	1-2 Weeks*		$394.00

Specifications

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).
Compliance:: BTL, CE.

Support Library

Model Chart

EXAMPLE	AVUL	3	D	A1	LCD	Series AVUL-3DA1-LCD Air Velocity Transmitter, accuracy ± 3%, duct mount, analog universal, with LCD display.
SERIES	AVUL					Air Velocity Transmitter
ACCURACY		3 5				± (3% of reading + 0.2 m/s) @ STD Conditions ± (5% of reading + 0.2 m/s) @ STD Conditions
MOUNTING			D			Duct Mount
OUTPUT				A1 B1 M1		Analog Universal (0-5V, 0-10V, 4-20mA) Analog + Bacnet Output Analog + Modbus® Output
OPTIONS					LCD FC NIST GLD SF	LCD Display Factory Calibration NIST Traceable Certificate Cable Gland Accessory Silicone Free

Questions

Question

Is there a minimum duct size that this sensor can be used in?

Answer

The sensing element is about ¾” from the tip of the stem so the duct size would need to accommodate the entire sensing element. If being used in a smaller duct, you will want to verify that the flow range is within the operating range, 1000, 2000, 3000, or 4000 FPM.

Related

Series AVUL

Question

Can you use a display with the Modbus or BACnet options?

Answer

Yes, either the integral LCD Display, A-AVUL-LCD, or the remote display tool, A-435-A, can be used with Modbus or BACnet configurations.

Related

Series AVUL

Question

Can the AVPT output volumetric flow readings

Answer

No, the AVPT is configured to output air velocity readings in FPM or M/S only. Consider looking at the AVUL for a unit able to output volumetric air flow.

Related

Series AVPT

Series AVUL

Model	Description	Availability*	Price
A-AVUL-LCD	Field upgradeable display.	1-2 Weeks*	$49.50
A-AVUL-MTG	Replacement duct mount plate assembly	1-2 Weeks*	$7.70
SCD-PS	100 to 240 VAC/VDC to 24 VDC power supply	1-3 days*	$43.40