Air Velocity / Flow

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Low Cost Sensors/Transducers
Industrial Transmitters-Air
High End Industrial Air Velocity Transmitters
Air Flow Capture Hood
Low Cost Sensors/Transducers
EE576 Series
EE576 Series Image

Miniature Air Velocity Transmitter for Measurement of Lowest Velocity

Description

The EE576 is a compact air velocity transmitter designed for measurement of lowest velocity. Equipped with a newly developed sensor head and utilizing the proven E+E hot-film element, already tested a million times in the automotive industry, these transmitters are less sensitive to dust and dirt than conventional hot-wire elements. This is reflected in the excellent reproducibility and proven long-term stability of the measuring results.

Features

  • excellent price/performance ratio
  • compact housing
  • easy and fast mounting

Applications

  • laminar flow control
  • filter monitoring
  • exhaust systems
  • glove boxes

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EE671
EE671 Image

HVAC Miniature Air Flow Transmitter

Description

EE671 is a compact air velocity probe for HVAC applications. The built-in flow sensing element VTQ combines the advantages of state-of-the-art E+E thin-film manufacturing and of the newest transfer molding technology.

Features

  • High accuracy and long-term stability
  • Outstanding resistance to contamination
  • Easy and quick mounting
  • User configurable

Applications

  • heating and ventilation systems
  • Flow monitoring and control
  • Inlet air monitoring in ovens

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BMS/HVAC
EE650
EE650 Image

Air Velocity Transmitter for HVAC Applications

Description

The EE650 air velocity transmitter is dedicated for accurate and reliable measurement in building automation and ventilation applications.

EE650 employs the new VTQ air velocity sensor element, which operates on the thermal anemometer principle and is manufactured by E+E in state-of-the-art thin film technology. Due to its innovative design, the VTQ sensor element is very robust and highly insensitive to pollution, which leads to outstanding long-term performance.

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EE660 Series
EE660 Series Image

Transmitter for Very Low Air Velocity

Description

The EE660 is designed for highly accurate measurement of very low air velocity. It is the ideal solution for laminar flow control and special ventilation applications for instance in clean rooms.

The E+E thin fi lm sensor used in EE660 operates on the hot fi lm anemometer principle, which stands for excellent accuracy down to 0.15 m/s (30 ft/min) and
high insensitivity to pollution.

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Industrial Transmitters-Air
EE75
EE75 Image

High-Precision Air / Gas Velocity Transmitter for Industrial Applications

The EE75 series air velocity transmitters were developed to obtain accurate measuring results over a wide range of velocities and temperatures.

A high-quality hot film sensor element based on cutting-edge thin film
technology ensures maximum sensitivity, even at lowest mass flows. At the same time, the innovative probe design produces reliable measuring results at high flow velocities of up to 40m/s (8000ft/min).

The integrated temperature compensation minimises the temperature cross-sensitivity of the EE75 series which, combined with the robust mechanical design, allows it to be used at process temperatures between -40 to +120°C (-40 to 248°F).

In addition to air velocity and temperature values, the transmitter calculates the volumetric flow rate in m³/h or ft³/min. The cross section of the duct needs to be determined for this purpose and the volumetric flow rate can be displayed and directed to one of the analogue outputs.

Features

  • high accuracy
  • working range 0…40 m/s (0…8000ft/min) and -40…120°C(-40…248°F)
  • measurement of air velocity and temperature
  • calculation of volumetric flow rate
  • low dependence of angle of inflow
  • probe diameter 8mm (0.3”)
  • remote probe up to 10m (32.8ft)
  • easy mounting and maintenance
  • correction for pressure, humidity and media
  • low flow cutt-off
  • SI and US units selectable

Application

  • monitoring incoming and outgoing air (energy management) in HVAC applications
  • filter monitoring and laminar flow control in cleanrooms
  • exhaust systems, exhaust hoods and glove boxes in the pharmaceutical,
    bio and semiconductor industries
  • mass flow measurement during incineration processes
  • monitoring and measurement of compressed air systems
  • air conveying systems
  • wind tunnels and climate simulators

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Thermal Mass Flow
EE741
EE741 Image

Modular, compact, inline flow meter for compressed air and gases

The EE741 inline flow meter is dedicated for accurate metering and monitoring of compressed air and technical gases. With three different gauge mounting blocks, one and the same transmitter unit can be installed on DN15, DN20 and DN25 pipes.

Typical applications

  • Compressed air consumption measurement
  • Flow measurement of technical gases (O2, N2, Ar, CO2, He)
  • Nitrogen generators
  • Leak detection

EE771
EE771 Image

Inline Flowmeter for compressed air and gases DN15 (1/2“) – DN80 (3“)

The inline flow meter EE771/EE772, based on the measurement principle of thermal mass flow, is ideally suited for the measurement of flow in pipelines DN15 (1/2”) up to DN80 (3”). Measurement of for instance the usage of compressed air, nitrogen, CO2, oxygen, helium or other non-corrosive, non-flammable gasses.

The flowmeters are setting new standards in terms of measurement accuracy and reproducibility thanks to their applicationspecific adjustment during production. As such, the EE771/EE772 is adjusted under a pressure of 7 bar.

The unique mounting concept with a mounting valve permits rapid installation and removal of the device for periodical calibration. It simultaneously ensures high measurement accuracy through exact and reproducible positioning in the pipe.

Features

  • high accuracy ± 1.5% of reading
  • exceptional reproducibility
  • quick sensor exchange at line pressure
  • broad working range of 1 : 400
  • very service friendly
  • Bus interface for Modbus RTU or M-Bus

Applications

  • Measurement of consumption of compressed air
  • Compressed air counter
  • Mass flow measurement of industrial gases

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EE776
EE776 Image

Insertion Flowmeter for compressed air and gases
DN50 – DN700 (2” – 28”)

The EE776 flow meter is based on the thermal mass flow measurement and is ideal for measuring the flow of compressed air and gases in pipes from DN50 (2”)to DN700 (28”).

With the EE776, the consumption of compressed air, nitrogen, CO2 or other non-corrosive and non-flammable gases can be measured up to a pressure of 16 bar (232 PSI)

Typical Applications

  • Measurement of consumption of compressed air
  • Compressed air counter
  • Mass flow measurement of industrial gases

Features

  • Non-return protection for secure mounting
  • Assembly/disassembly under pressure without flow interruption
  • easy and accurate positioning
  • Pipe diameters DN50 (2”)to DN700 (28”)
  • Pressure range up to 16 bar (232 PSI)
  • Wide measuring range up to 200 Nm/s (39370 SFPM)
  • Bus interface for Modbus RTU or M-Bus

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High End Industrial Air Velocity Transmitters
ZS 25/25
ZS 25/25 Image

Flow measurement with sensors ZS25 at working temperatures up to +500 °C optional with integrated and configurable transducer UFA

Advantages
  • low starting value
  • large measuring range span
  • maximum fatigue strength thanks to vane wheel which is easy on the bearings
  • corrosion resistant
  • sterilisable
  • high working temperature and pressure ranges
  • operates to a large extent irrespective of density and
    composition of the gas
  • low pressure drop
  • easy adjustment to process parameter

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Air Flow Capture Hood
VF01B
VF01B Image

Series VF

  • Light Weight
  • 100 Reading Memory
  • Large LCD Display
  • Accuracy 3%
  • Cable and Software for Data Download Included
  • Measures Flow, Velocity and Temperature
  • Supply or Exhaust Measurement

The Series VF Air Flow Capture Hood accurately measures air volume flowing through registers, diffusers and grills. The Air Flow Capture Hood is light weight and is easily handled by one person for measuring supply or exhaust airflow. The large LCD simultaneously displays airflow, velocity and temperature and can store up to 100 readings in a non volatile memory for later analysis. Later analysis of the Air Flow Capture Hood data is easily downloaded to your computer with the included RS-232 cable and software. Each Series VF Air Flow Capture Hood includes airflow measuring base, 2’ x 2’ (610 mm) hood, brackets, RS-232 cable, software, nylon carrying case, batteries, and calibration data sheet.

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Handheld
OMNIPORT 30
OMNIPORT 30 Image

The robust multi functional hand-held meets the highest requirements and comes with a wide range of accurate probes that fit various applications.
Use touch-screen navigation to show, up to three measurement values simultaneously on the capacitive TFT display.

Features

  • Data logging
  • Internal memory for 2 million measured values
  • 23 physical quantities
  • Capacitive TFT touch screen
  • Displays measurands simultaneously
  • Real-time HOLD / MIN / MAX / AVG readout
  • Integrated air pressure sensor
  • User friendly operation
  • Free data management software

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Low Cost Sensors/Transducers
EE576 Series Image
EE576 Series
Miniature Air Velocity Transmitter for Measurement of Lowest Velocity... Read More
EE671 Image
EE671
HVAC Miniature... Read More
Industrial Transmitters-Air
EE75 Image
EE75
High-Precision Air / Gas Velocity Transmitter for Industrial Applications The EE75 series air velocity transmitter... Read More
Thermal Mass Flow
EE741 Image
EE741
Modular, compact, inline flow meter for compressed air and gases The EE741 inline flow meter is dedicated for accu... Read More
EE771 Image
EE771
Inline Flowmeter for compressed air and gases DN15 (1/2“) – DN80 (3“) The inline flow meter EE771/EE772,... Read More
EE776 Image
EE776
Insertion Flow... Read More
High End Industrial Air Velocity Transmitters
ZS 25/25 Image
ZS 25/25
Flow measurement with sensors ZS25 at working temperatures up to +500 °C optional with integrated and configurable transducer UFA... Read More
Air Flow Capture Hood
VF01B Image
VF01B
Series VF Light Weight 100 Reading Memory Large LCD Display Accuracy 3% ... Read More