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.
The 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.
One and the same transmitter can be used for each of three pipe diameters:
- EE741: DN15 (1/2") / DN20 (3/4") / DN25 (1")
- EE741-N50: DN32 (1-1/4") / DN40 (1-1/2") / DN50 (2")
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.
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.
- Modular design
- Removal without dissasembling the pipework
- Application-specific adjustment under pressure
- Exceptional price/performance ratio
- Analogue, pluse and switching output
- Modbus RTU and M-Bus
- Integrated consumption meter
- Compressed air consumption measurement
- Monitoring of technical gases O2, N2, Ar, CO2. Other gases upon request
- Nitrogen generators
- Leak detection
standardized volumetric flow, mass flow, standardised flow, temperature, consumptionMeasured values
DN15 / DN20 / DN25Pipe diameter
DN32 / DN40 / DN50
DN15: 0.2 - 76.3 Nm³/h (0.12 - 44.88 SCFM)Measuring range - flow
DN20: 0.4 - 135.6 Nm³/h (0.24 - 79.77 SCFM)
DN25: 0.6 - 212 Nm³/h (0.36 - 124.71 SCFM)
DN32: 0.9 - 347.4 Nm³/h (0.52 - 202.06 SCFM)Measuring range - flow
DN40: 1.4 - 542.8 Nm³/h (0.81 - 315.71 SCFM)
DN50: 2.2 - 848.2 Nm³/h (1.22 - 493.35 SCFM)
±(3 % of mv* + 0.3% of full scale)Accuracy - flow (*measured value)
-20...60 °C (-4...140 °F)Measuring range - temperature
± 0.7 °C (1.26 °F)Accuracy - temperature
0/4-20 mA, Pulse, Switch, Modbus RTU or M-BusOutputs
18 - 30 V DCSupply
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- » Standard volume flow
- » Mass flow
- » Standard flow
- » Temperature
- Can be used for different pipe diameters
- Installation and removal without disconnecting the pipework facilitates regular calibration
- Application-specific adjustment under pressure ensures for best accuracy
- Sensor head and thermal flow sensor
- Robust design in stainless steel
- Very fast response time
- Wide measuring range
- Long-term stable and accurate
- Negligible pressure drop
- Highly insensitive to contamination
- No additional pressure and temperature compensation required
- Display (optional)
- Shows instantaneous values and overall consumption
- Intuitive device setup with push buttons
- Can be rotated in 90° increments
- User configurable via display or software
- Analogue 0-20 / 4-20 mA
- 2 switch outputs
- Pulse output
- Modbus RTU
- Gauge mounting block
- Precise and reproducible inline installation of the transmitter for best accuracy
- Aluminium or stainless steel
- Can be operated with sealing plug also without transmitter
EE741 Datasheet(1050.46 kb)
EE741 Manual(3820.89 kb)
Relabeling in case of product configuration change(1339.66 kb)
EE-PCS Product Configuration Software(26076.64 kb)
Modbus Application Note AN0103(158.85 kb)
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Multifunctional inline mass flow meter for DN40 - DN80 (1 1/2" - 3") up to 40 bar (580 psi). Gauge mounting block with hot tap valve for installation and removal without interruption of the flow. Mounting possibility for pressure and dew point sensors.
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