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Air Velocity Sensor for Laminar Flow Monitoring

EE680

The EE680 is dedicated for precise measurement of the air velocity and monitoring the temperature in laminar flow. The GMP compliant design is ideal for cleanrooms and safety cabinets in pharmaceutical, life sciences and microelectronics industries.

EE680 air velocity sensor for laminar flow – straight version
EE680 air velocity sensor for laminar flow – angled version

Sigma 05 with air velocity sensor EE680

Key Features
Measurands
Technical data

Outstanding Measurement Performance

The EE680 operates on the hot film anemometer principle. It employs an E+E thin film sensing element which stands for excellent accuracy down to 0.1 m/s (20 ft/min), outstanding long term stability and low angular dependency. The multipoint air velocity factory adjustment leads to best performance over the entire working range. The E+E proprietary coating protects the sensing element against H2O2 and corrosive cleaning agents.

Versatility

The EE680 is available as straight and angled version with various probe lengths and is optimized for easy cleaning. The mounting concept and the M12 stainless steel connector facilitate the easy installation or replacement of the sensor. A led ring integrated in the stainless steel enclosure shows the laminar flow conditions and the sensor status.

Analogue and Digital Outputs

The air velocity and temperature measured data is available as current or voltage analogue outputs or on the RS485 interface with Modbus RTU protocol, user selectable.

Configurable and Adjustable

The setup and adjustment of the EE680 can be easily performed with an optional adapter and the free PCS10 Product Configuration Software.

Key Features

  • Multipoint air velocity factory adjustment
  • Clean room compatible design following GMP standards
  • Stainless steel probe and sensing head
  • Sensing element with E+E proprietary Coating
  • Measurement range down to 0.1 m/s (20 ft/min)
  • Combined air velocity and temperature measurement
  • LED ring for condition visualization
  • Modbus RTU or analogue outputs
  • User configurable and adjustable

Measurands

Application Specific Design

  • GMP compliant design for easy cleaning
  • Straight or angled probe with various lengths
  • Stainless steel mounting flange
  • M12 stainless steel connector
Visualization

  • Optical indication of the laminar flow and sensor condition
  • LED ring status directly visible on the sensor
Inspection Certificate

  • according to DIN EN 10204-3.1 with six Av points

Probe and Sensing Element

  • Protective coating for best resistance against H2O2
  • Stainless steel probe and sensing head

Technical data

MEASURING RANGE – AIR VELOCITY

0…2 m/s (0…400 ft/min)

ACCURACY – AIR VELOCITY (mv = measured value)

0.1…2 m/s (20…400 ft/min): ± (0.5 % of mv + 0.05 m/s)

MEASURING RANGE – TEMPERATURE

-20…70 °C (-4…158 °F)

ACCURACY – TEMPERATURE

±0.5 °C (±0.9 °F)

ANALOG OUTPUTS

0-5 V / 0-10 V or
0-20 mA / 4-20 mA (3-wire)

DIGITAL OUTPUT

Modbus RTU