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          首頁 > 產品中心 > 風速風量儀表 >風速測量 >Dwyer AVUL系列風速變送器

          Dwyer AVUL系列風速變送器

          簡要描述:

          Dwyer AVUL風速變送器

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          The SERIES AVUL 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 display tool, provide a 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 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.

          ModelDescription

          AVUL-3DA1Air velocity transmitter, 3% accuracy, duct mount, universal current/voltage outputs

          AVUL-3DB1Air velocity transmitter, 3% accuracy, duct mount, BACnet communications

          AVUL-3DM1Air velocity transmitter, 3% accuracy, duct mount, Modbus® communications

          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).

          Agency Approval:

          BTL, CE.

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