EE660

微风速变送器

EE660系列微风速变送器专为精密测量微风速而设计,是层流控制和特殊通风应用的理想选择,主要应用于各种洁净厂房。

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EE660配备了E+E公司特殊的薄膜风速敏感元件,采用热模式风速测量原理,即使在风速低至0.15米/秒时也能保持高精度测量。EE660不仅提供电流和电压输出,还可选择带有Modbus RTU或BACnet接口的RS485数字输出。

EE660系列可通过电路板上的跳线或免费的校准软件EE-PCS对变送器进行组态和校准。

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Key Features EE660

  • 测量精度0.15米/秒
  • 优越的长期稳定性
  • 较强的抗污染能力
  • 较低的角度依赖性
  • 大屏显示
  • 电流输出、电压输出
  • Modbus RTU 或 BACnet MS/TP
  • 用户组态和校准

技术资料 EE660

  • 0...1 m/s
    0...1.5 m/s
    0...2 m/s

    测量范围(可通过跳线选择)
  • 0.15...1 m/s ±(0.04 m/s +测量值的2%)
    0.15...1.5 m/s ±(0.05 m/s +测量值的2%)
    0.15...2 m/s ±(0.06 m/s +测量值的2%)

    精度(在20 °C、45%RH及1013mbar时)
  • 典型的4 秒 或 典型的 1 秒

    响应时间(恒温条件下)
  • 0-10V和4-20mA

    模拟输出 - 可选择
  • Modbus RTU或BACnet MS/TP

    数字输出
  • 24V DC

    供电电源

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EE660 FAQ

  • What is the difference between Modbus RTU and Modbus TCP/IP?

    The main difference is the hardware interface. The Modbus RTU protocol runs on RS485 Hardware while Modbus TCP/IP protocol on Ethernet hardware.

     

  • What is the difference between a BTL listed and a non-listed BACnet product.

    All BACnet products are tested at E+E. The BTL listed E+E products have been additionally tested by the BACnet Testing Laboratories.

     

  • How can I clean the air velocity sensing element?

    Due to its design and materials, the E+E thin film sensing element for air velocity is highly insensitive to pollution. When operaten in very dusty or diry environment, cleaning might be necessary. See section maintenance at downloads.epluse.com/fileadmin/data/miscellaneous/datasheet_air_velocity_measurement_basics.pdf

     

  • How can I replace the air velocity sensing element or the air velocity sensing probe?

    This is not possible. Return the device to E+E for service.

     

  • What kind of calibration certificate is included in the standard scope of supply of the E+E air velocity sensors?

    The standard scope of supply of E+E air velocity sensors includes an inspection certificate according DIN EN 10204 - 2.2 or DIN EN 10204 - 3.1, depending on the model. Please see the product data sheet and operation manual for the type of certificate. For details on calibration certificates please see page 5 in www.kalibrierdienst.at/fileadmin/content/White_Paper_Calibration_and_traceability_in_measuring_technology.pdf

     

  • Can E+E supply an accredited calibration certificate with the air velocity sensor?

    Accredited calibration certificate for air velocity is available upon request, please see our calibration website

     

  • How I can readjust my E+E air velocity sensor?

    For readjusting the air velocity sensor you need first of all a reliable reference. This would be a wind channel. For the readjustment procedure please see the operation manual of the specific E+E air velocity sensor available at www.epluse.com

    In case an approriate air velocity reference in not available, please return the device to E+E for service.

     

  • What is the difference between a 2 wire and a 3 wire current output?

    Transmitter with "two-wires" technology receive the power from the process, and the signal is carry on return wire (closed current loop). With technology "three-wires" the power supply is separate from current output: 2 wires are the power supply and third carry the signal.

     

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