SPIRAX SARCO Electromagnetic Flowmeter

SPIRAX SARCO ELM Electromagnetic Flowmeter

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Maximum process pressure

  • DN25 – DN50 PN40.
  • DN65 – DN200 PN16.

Maximum process temperature       150 °C.

Minimum process temperature       -20 °C.

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Description

SPIRAX SARCO ELM Electromagnetic Flowmeter

SPIRAX SARCO Electromagnetic Flowmeter

An electrically conductive medium induces a voltage while flowing through an arranged magnetic field in accordance to the Faraday’s induction law.A magnetic inductive flowmeter consits of an isolated lining tube, flown through by a conductive liquid, a magnetic field coil and two electrodes. The electrode measuring-circuit voltage is proportional to the flow velocity and therefore to the volume flow.The electrode voltage is detected by a transmitter and converted into standard electrical signals as 4-20 mA or pulses.The magnetic-inductive flow sensor EP is used to measure the volume flow of liquids, slurries, pastes and other electrically conductive media without any pressure drop.Pressure, temperature, density and viscosity do not affect the volume measurements.Portions of solid particles and small gas bubbles should be avoided.

Sizes and pipe connections:-

The ELM is available in wafer design, suitable for fitting between the following flanges:

DN25, DN32, DN40 and DN50                                           EN 1092-1 PN40.

DN65, DN80, DN100, DN150 and DN200                       EN 1092-1 PN16.

1″, 1¼”, 1½” and 2″ ASME B16.5 Class 300
2½”, 3″, 4″ 6″ and 8″ ASME B16.5 Class 150

Pressure / temperature limit:-

Maximum process pressure                  DN25 – DN50 PN40

DN65 – DN200 PN16
Maximum process temperature 150 °C
Minimum process temperature -20 °C
Maximum electronics ambient temperature 60 °C

Materials-

Flowmeter body Steel coated / painted
Lining PTFE
Electrodes Hastelloy C4
Electronics housing Die cast aluminium, painted

Technical data:-

IP rating IP67 (EN60529)
Power supply 24 Vdc 10 W
Outputs 1 x 0 / 4 – 20 mA active with galvanic isolation

1 x Pulse / state passive, with galvanic isolation. 24 V, 60 mA
Communication HART ® (optional)
Diagnosis functions Empty pipe detection, coil current monitoring