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美國DWYER風速變送器AVLV

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美國DWYER風速變送器AVLVTheSeriesAVLVAirVelocityTransmitterquicklyandaccuratelymeasuresairvelocityorvolumetricflowinimperialormetricunits

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美國DWYER 風速變送器 AVLV

The Series AVLV Air Velocity Transmitter
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 output can be configured via local DIP switches. The optional integral display, or the portable remote tool, provide a convenient way to local monitor process values and configure the unit.

Models are available in 1% and 2% accuracy models and low velocity ranges 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. The lower ranges in these high accuracy units allow for applications in quality intensive environments, such as the pharmaceutical industry.

Service:Clean air and non-combustible, compatible gases.

Wetted Materials:Consult factory.

Range:100, 200, 300, 400 FPM (0.5, 1, 1.5, 2 m/s); field selectable.

Accuracy:See chart on catalog page.

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%):4 s, typical; 1 s at constant temperature.

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 Communication Baud Rates:9600, 19200, 38400, 57600, 76800, 115200 (optional).

Device Load:1/8 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.

Model	Description
AVLV-1DA1-LCD	Air velocity transmitter, 1% accuracy, duct mount, universal current/voltage outputs with LCD display
AVLV-1DB1-LCD	Air velocity transmitter, 1% accuracy, duct mount, BACnet communication with LCD display
AVLV-1DM1-LCD	Air velocity transmitter, 1% accuracy, duct mount, Modbus® communication with LCD display
AVLV-2DA1-LCD	Air velocity transmitter, 2% accuracy, duct mount, universal current/voltage outputs with LCD display
AVLV-2DB1-LCD	Air velocity transmitter, 2% accuracy, duct mount, BACnet communication with LCD display
AVLV-2DM1-LCD	Air velocity transmitter, 2% accuracy, duct mount, Modbus® communication with LCD display