Dwyer Instruments Series IEFS 1XX Insertion Electromagnetic Flow Sensor

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The Series IEFS Insertion Electromagnetic Flow Sensor, from Dwyer Instruments, comes in brass or stainless steel, allowing it to handle a wide range of pressures and temperatures, as well as a variety of available saddle fittings to fit pipe sizes 3 to 24″.

The IEFS-1XX has an isolation valve which allows hot-tap installation. Additional options for the flow meter include adapter fittings and a reverse flow output. The series is suitable for ‘dirty’ water applications or any application where moving parts may be an issue. These include conductive liquids, municipal, industrial and irrigation.

The liquid flow meter uses a magnetic field to measure flow. As conductive fluids flow through the magnetic field, a voltage is generated which is measured and translated into a pulse frequency output signal. This signal can then be used with the Series BAT to produce a 4 to 20 mA analog signal or the Series RTI to display rate and total.

The company provides a range of accessories for the flow sensor. The Series BAT Blind Analogue Transmitter converts pulse output to 4 to 20 mA analog output. The unit is loop powered, fits on the enclosure of the meter and is field spannable.

The Series RTI Rate Total Indicator converts pulse output to 4 to 20 mA analog output with local flow rate and totalisation display. The unit is loop powered, can fit on the enclosure of the meter and provides a high/low flow alarm.

The Series PWD Pulse Divider is for use with pacing electronic metering pumps. The unit divides the input frequency to any number from 1 to 9999 with the use of rotary switches to suit a number of metering pump inputs.