We are a leading Manufacturer of thermal mass flow meter integral display and output, modular, compact in-line flow meter for dn15 to dn50 (ee741), ee771- mass flow sensor with remote sensor probe, ee650 air flow transmitter, flow sensor for compressed air and gases (ee771) and flow sensor for compressed air and gases dn40 dn80 / 40 bar ( ee772) from Mumbai, India.





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| Fluid Type | Biogas, Natural Gas, Compressed Air, Air, Industrial Gas |
| Installation Type | Inline |
| Line Size Range | 25–100 mm |
| Output Signal | 4–20 mA |
| Power Supply | 24 V DC |
| Accuracy | ±1.0% |
| Process Connection | Flanged |
Thermal flow meters from E+E Elektronik measure the mass flow or standard volumetric flow of compressed air and non-corrosive gases. They are suitable for pipelines of DN15 to DN700 and enable reliable leak detection. E+E flow sensors therefore play a significant role in reducing costs.
Why E+E Flow Sensors / Flow Meters?
E+E flow meters are easy to install thanks to their installation and service-friendly design. The sensor unit can be removed and installed for maintenance or calibration in just a few seconds.
At the heart of the E+E flow meters is a flow sensing element developed by E+E, based on the hot-film anemometer measurement principle. It has high resistance to contamination and provides long-term stable and accurate measuring results.
The factory calibration for E+E flow meters is carried out in the typical pressure range for a compressed air network at 7 bar, which ensures a high level of measuring accuracy.
The thermal measuring principle enables mass flow and volumetric flow measurement independently of pressure or temperature. This means that the flow sensors can be used in a wide range of pressures and temperatures.






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| Measured values | standardized volumetric flow, mass flow, standardised flow, temperature, consumption |
| Pipe diameter | DN15 / DN20 / DN25 DN32 / DN40 / DN50 |
| Accuracy - flow (*measured value) | +-(3 % of mv* + 0.3% of full scale) |
| Measuring range - temperature | -20...60 DegreeC (-4...140 DegreeF) |
| Accuracy - temperature | +- 0.7 DegreeC (1.26 DegreeF) |
| Outputs | 0/4-20 mA, Pulse, Switch, Modbus RTU, M-Bus or IO-Link |
| Supply | 18 - 30 V DC |
The EE741 in-line flow meter can be easily adapted for any measuring task. It is dedicated for accurate metering and monitoring of compressed air and technical gases in DN 15 to DN50 pipes.
Inquire nowTo the downloadsThe thermal measuring principle and the well proven E+E hot film sensor element lead to best long-term stability and fast response time.
Outstanding measuring accuracy, even in the lower measuring range, is achieved by an application-specific multi-point factory adjustment performed at 7 bar (102 psi). This allows reliable leak detection and corresponding energy savings. The construction of the EE741 flow meter is optimised for easy installation and maintenance.
Modular design
One and the same transmitter can be used for each of three pipe diameters:
The pipe diameter is easily set via the display menu or the EE-PCS product configuration software.
Once the gauge mounting block is installed in the pipeline, the transmitter can be installed and removed without any pipework. As a result, the EE741 flow meter is also ideal for temporary measurement at several installed mounting blocks. The sealing plug included in the scope of supply enable the normal operation of the compressed air system when the transmitter is removed.
Display (optional)
The state-of-the-art LCD shows the current measured values and the overall consumption. The EE741 setup can be easily performed with the push buttons and intuitive menu guidance. The display can be rotated in 90° increments with a push button for convenient orientation in any mounting position of the flow meter.
Typical Applications



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The flow sensor can measure the consumption of compressed air, nitrogen, oxygen, CO₂, argon or other non-corrosive gases. The measurement ball valve permits easy installation and removal with only a short interruption of the flow.
EE771 flow sensor employs the well proven E+E hot-film sensor element with high immunity to contamination, which leads to outstanding long-term stability and accuracy even under harsh operating conditions.



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The flow sensor can measure the consumption of compressed air, nitrogen, oxygen, CO₂, argon or other non-corrosive gases. The measurement ball valve permits easy installation and removal with only a short interruption of the flow.
EE771 flow sensor employs the well proven E+E hot-film sensor element with high immunity to contamination, which leads to outstanding long-term stability and accuracy even under harsh operating conditions.
With wide measuring range from 0.5 to 200 Nm/s (100...39370 SFPM) (1:400) and fast response time, one and the same flow meter model can be employed throughout the entire gas supply system. It records accurately even the smallest flow which represent an essential prerequisite for calculating consumption costs or for finding leaks.
Every E+E flow sensor undergoes a precise factory calibration procedure at a pressure of 7 bar (102 psi), the corresponding calibration certificate is included in the standard scope of supply.
The EE771 flow sensor is available with an additional MODBUS RTU or M-BUS (Meter-Bus) interface.



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The flow sensor can be used effectively to measure the consumption of compressed air, nitrogen, CO₂ or other non-corrosive gases.
The gauge mounting block allows for the installation and removal without flow interruption. Regular calibration, without taking into account the device downtime, is therefore always an option. Besides the mass flow probe, the gauge mounting block with hot tap valve can accomodate also a dew point and a pressure sensor.
EE772 flow sensor employs the well proven E+E hot-film sensor element with high immunity to contamination, which leads to outstanding long-term stability and accuracy even under harsh operating conditions.
With wide measuring range from 0.5 to 200 Nm/s (100...39370 SFPM) (1:400) and fast response time, one and the same flow meter model can be employed throughout the entire gas supply system. It records accurately even the smallest flow which represent an essential prerequisite for calculating consumption costs or for finding leaks.
Every E+E flow sensor undergoes a precise factory calibration procedure at a pressure of 7 bar (102 psi), the corresponding calibration certificate is included in the standard scope of supply. The EE772 flow sensor is available with an additional MODBUS RTU or M-BUS (Meter-Bus) interface.


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The flow sensor can be used effectively to measure the consumption of compressed air, nitrogen, CO₂ or other non-corrosive gases.
The gauge mounting block allows for the installation and removal without flow interruption. Regular calibration, without taking into account the device downtime, is therefore always an option. Besides the mass flow probe, the gauge mounting block with hot tap valve can accomodate also a dew point and a pressure sensor.
EE772 flow sensor employs the well proven E+E hot-film sensor element with high immunity to contamination, which leads to outstanding long-term stability and accuracy even under harsh operating conditions.
With wide measuring range from 0.5 to 200 Nm/s (100...39370 SFPM) (1:400) and fast response time, one and the same flow meter model can be employed throughout the entire gas supply system. It records accurately even the smallest flow which represent an essential prerequisite for calculating consumption costs or for finding leaks.
Every E+E flow sensor undergoes a precise factory calibration procedure at a pressure of 7 bar (102 psi), the corresponding calibration certificate is included in the standard scope of supply. The EE772 flow sensor is available with an additional MODBUS RTU or M-BUS (Meter-Bus) interface.





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| Brand | E+E |
| Color | Gray |
| Display | Analog |
The EE776 flow meter set new standards in terms of safety and easy assembly. The patented non-return protection combines three functions in one device:
Non-return protection
The probe can only be moved in one direction during installation, and it cannot return at all, even if it is released.
Seal
By means of an encapsulated O-ring, the pressurized gaz cannot leak during probe mounting.
Probe positioning
The precise positioning with respect to immersion depth and orientation is easy to perform, guaranteeing accurate measurement results.
An optional ½" ball valve enables the installation and removal of the probe without interruption of the gas flow. Every EE776 flow meter undergoes a precise factory calibration procedure at a pressure of 9 bar (130 psi), the corresponding calibration certificate is included in the standard scope of supply.
EE776 features two outputs which can be configured as analogue (current or voltage), alarm or pulse output for consumption metering. The EE776 flow meter is available with an additional MODBUS RTU or M-BUS (Meter-Bus) interface.



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The flow sensor can be used effectively to measure the consumption of compressed air, nitrogen, CO₂ or other non-corrosive gases.
The gauge mounting block allows for the installation and removal without flow interruption. Regular calibration, without taking into account the device downtime, is therefore always an option. Besides the mass flow probe, the gauge mounting block with hot tap valve can accomodate also a dew point and a pressure sensor.
EE772 flow sensor employs the well proven E+E hot-film sensor element with high immunity to contamination, which leads to outstanding long-term stability and accuracy even under harsh operating conditions.
With wide measuring range from 0.5 to 200 Nm/s (100...39370 SFPM) (1:400) and fast response time, one and the same flow meter model can be employed throughout the entire gas supply system. It records accurately even the smallest flow which represent an essential prerequisite for calculating consumption costs or for finding leaks.
Every E+E flow sensor undergoes a precise factory calibration procedure at a pressure of 7 bar (102 psi), the corresponding calibration certificate is included in the standard scope of supply. The EE772 flow sensor is available with an additional MODBUS RTU or M-BUS (Meter-Bus) interface.

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Mr. Ankush Bhandari (Managing Director)
E+E Elektronik India Private Limited
801, Lodha Supremus, Andheri E, Sakhi Vihar Road, Opposite Mtnl Office, Mumbai - 400072, Maharashtra, India











