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Technical Information
Proline Promag 50D
Electromagnetic flow measuring system
Flow measurement of liquids in water or wastewater applications
Application
Electromagnetic flowmeter for bidirectional
measurement of liquids with:
• A minimum conductivity of ≥ 5 μS/cm
– Drinking water
– Wastewater
• Flow measurement up to 10 m³/min
• Fluid temperature up to +60 °C
• Process pressures up to 16 bar
• Polyamide lining material
• Drinking water approvals:
– KTW/W270
– WRAS BS 6920
– ACS
– NSF 61
TI082D/06/en/03.09
71088671
Your benefits
The measuring devices offer you cost-effective flow
measurement with a high degree of accuracy for a wide
range of process conditions.
The uniform Proline transmitter concept comprises:
• High level of efficiency thanks to modular device
concept
• High degree of reliability and measuring stability
• Uniform operating concept
The tried-and-tested Promag sensors offer:
• No pressure loss
• Not sensitive to vibrations
• Simple installation and commissioning
• Compact design
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Related Manuals for Endress+Hauser Proline Promag 50D
Summary of Contents for Endress+Hauser Proline Promag 50D
- Page 1 Technical Information Proline Promag 50D Electromagnetic flow measuring system Flow measurement of liquids in water or wastewater applications Application Your benefits Electromagnetic flowmeter for bidirectional The measuring devices offer you cost-effective flow measurement of liquids with: measurement with a high degree of accuracy for a wide •...
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Page 2: Table Of Contents
Proline Promag 50D Table of contents Function and system design..... 3 Mechanical construction ..... . 19 Measuring principle . -
Page 3: Function And System Design
Proline Promag 50D Function and system design Measuring principle Following Faraday's law of magnetic induction, a voltage is induced in a conductor moving through a magnetic field. In the electromagnetic measuring principle, the flowing fluid is the moving conductor. The voltage induced is proportional to the flow velocity and is supplied to the amplifier by means of two measuring electrodes. -
Page 4: Input
Proline Promag 50D Input Measured variable Flow velocity (proportional to induced voltage) Measuring ranges Typically v = 0.01 to 10 m/s with the specified accuracy Operable flow range Over 1000 : 1 Input signal Status input (auxiliary input) HART • Galvanically isolated •... -
Page 5: Signal On Alarm
Proline Promag 50D PROFIBUS PA interface • Transmission technology (Physical Layer): IEC 61158-2 (MBP), galvanically isolated • Profile version 3.0 • Current consumption: 11 mA • Permissible supply voltage: 9 to 32 V • Bus connection with integrated reverse polarity protection •... -
Page 6: Power Supply
Proline Promag 50D Power supply Electrical connection, measuring unit b d/(g) HART* PROFIBUS PA* – 27 PA(–)/FF(–) + 26 PA(+)/FF(+) – – 25 + 24 – – 23 + 22 – – 21 + 20 N (L-) N (L-) 2... -
Page 7: Electrical Connection, Terminal Assignment
Proline Promag 50D Electrical connection, Order version Terminal No. terminal assignment (–) (–) (–) (–) (L1/L+) (N/L–) 50***- Current output – – – Power supply ***********W HART 50***- Frequency Current output – – Power supply ***********A output HART 50***- Frequency... -
Page 8: Cable Entry
Proline Promag 50D Cable entry Power supply and signal cables (inputs/outputs): • Cable entry M20 x 1.5 (8 to 12 mm) • Thread for cable entries, ½" NPT, G ½" Connecting cable for remote version: • Cable entry M20 x 1.5 (8 to 12 mm) •... -
Page 9: Power Supply Failure
Proline Promag 50D Power supply failure • Lasting min. 1 cycle frequency: • EEPROM saves measuring system data • S-DAT: exchangeable data storage chip which stores the data of the sensor (nominal diameter, serial number, calibration factor, zero point etc.) Potential equalization Perfect measurement can only be guaranteed if the fluid and sensor are on the same electric potential. -
Page 10: Performance Characteristics
Proline Promag 50D Performance characteristics Reference operating As per DIN EN 29104 and VDI/VDE 2641 conditions • Fluid temperature: +28 °C ±2 K • Ambient temperature: +22 °C ±2 K • Warm-up period: 30 minutes Installation • Inlet run >10 x DN •... -
Page 11: Operating Conditions: Installation
Proline Promag 50D Operating conditions: Installation Installation instructions Mounting location The sensor should preferably be installed in an ascending pipe. Ensure the sensor is an adequate distance (≥ 2 x DN) away from the next pipe bend. Note! Entrained air or gas bubble formation in the measuring tube can result in an increase in measuring errors. - Page 12 Proline Promag 50D Partially filled pipes Partially filled pipes with gradients necessitate a drain-type configuration. ³ 2 x DN ³ 5 x DN a0010707 Installation with partially filled pipes Down pipes Install a siphon or a vent valve downstream of the sensor in down pipes longer than 5 meters. This precaution is to avoid low pressure and the consequent risk of damage to the measuring tube.
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Page 13: Inlet And Outlet Run
Proline Promag 50D Vibrations Secure the piping and the sensor if vibration is severe. " Caution! If vibrations are too severe, we recommend the sensor and transmitter be mounted separately. Information on the permitted shock and vibration resistance can be found in the “Shock and vibration resistance”... -
Page 14: Adapters
Proline Promag 50D Adapters Suitable adapters to DIN EN 545 (double-flange reducers) can be used to install the sensor in larger-diameter pipes. The resultant increase in the rate of flow improves measuring accuracy with very slow-moving fluids. The nomogram shown here can be used to calculate the pressure loss caused by reducers and expanders. -
Page 15: Mounting Kit
Proline Promag 50D Mounting kit The device is centered using the recesses on the sensor. Centering sleeves are also provided depending on the flange standard or the diameter of the pitch circle. Note! A mounting kit consisting of mounting bolts, seals, nuts and washers can be ordered separately (see "Accessories"). -
Page 16: Length Of Connecting Cable
Proline Promag 50D Length of connecting cable Note the following when mounting the remote version: • Fix cable run or lay in armored conduit. Note! Cable movements can falsify the measuring signal especially in the case of low fluid conductivities. -
Page 17: Operating Conditions: Environment
Proline Promag 50D Operating conditions: Environment Ambient temperature range • Sensor: –20 to +60 °C • Transmitter: –20 to +60 °C " Caution! • The permitted temperature range of the measuring tube lining may not be undershot or overshot (→ "Operating conditions: Process" → "Medium temperature range"). -
Page 18: Operating Conditions: Process
Proline Promag 50D Operating conditions: Process Medium temperature range 0 to +60 °C The minimum conductivity is ≥ 5 μS/cm (≥ 20 μS/cm for demineralized water) Conductivity Note! In the remote version, the necessary minimum conductivity also depends on the length of the connecting cable (→... -
Page 19: Mechanical Construction
Proline Promag 50D Mechanical construction Design, dimensions Compact version DN 25…40 DN 50 DN 80 a0010745-en Dimensions DN [mm] DN [inch] max. ∅ Seals [mm] EN (DIN) / JIS ANSI [mm] [mm] [mm] [mm] [mm] [mm] 1" 1 ½" 2"... - Page 20 Proline Promag 50D Remote version Sensor DN 25…40 DN 50 DN 80 a0010717-en Dimensions DN [mm] DN [inch] max. ∅ Seals [mm] EN (DIN) / JIS ANSI [mm] [mm] [mm] [mm] [mm] [mm] 1" 1 ½" 2" – – 3"...
- Page 21 Proline Promag 50D Transmitter wall-mount housing a0001150 Dimensions 90.5 159.5 >50 81.5 11.5 8 × M5 All dimensions in [mm] Endress+Hauser...
- Page 22 Proline Promag 50D There is a separate mounting kit for the wall-mounted housing. It can be ordered from Endress+Hauser as an accessory. The following installation variants are possible: • Panel-mounted installation • Pipe mounting Panel-mounted installation +0.5 –0.5 +0.5 –0.5...
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Page 23: Measuring Tube Specifications
Proline Promag 50D Measuring tube specifications Pressure rating EN (DIN) Centering sleeve Measuring tube Diameter Pressure rating Mounting bolts length internal diameter [mm] [mm] [mm] EN (DIN) PN16 4 x M12 x 145 mm 4 x M16 x 170 mm... -
Page 24: Weight
Proline Promag 50D Weight Weight data without packaging material. Compact version Remote version (without cable) Diameter Total Sensor Transmitter Sensor Transmitter [mm] [kg] [kg] [kg] [kg] Wall-mount housing [kg] Material • Sensor housing: powder-coated die-cast aluminum • Transmitter housing: powder-coated die-cast aluminum •...
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