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Automation Technologies 3/2014

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Automation Technologies 3/2014

Sensors and Measurement

Sensors and Measurement back to current issue A perfect fit: modular sensor series offers optimized solutions for measuring applications In the industry, the chosen solution often offers more options and features than really needed for the application resulting in more expenses than necessary. The modular economic sensors by German manufacturer Müller Industrie-Elektronik prevent this from happening. Their adaptable modular design guarantees optimized solutions for every measuring application. The modular economic sensors (ME series) by Müller Industrie-Elektronik are characterized by a high flexibility concerning the sensor equipment and the range of applications due to their modular diversity. The ME series covers nearly all physical measuring categories like temperature, pressure, filling level and flow. The series has been extended additionally with other types of sensors for the ultrasonic, infrared, mass pressure and difference pressure measurement. On the basis of a modular concept, the sensor series is technically designed so adaptable that it can offer an optimum modular device solution for the respective measuring job. Based on the versatile modular features, the sensors can be divided into four segments. AUTOMATION TECHNOLOGIES 3/2014

Sensors and Measurement Modular Economic Sensors with full equipment All versions with full equipment are fitted with 4 to 20 mA 2-wire technology, heterodyned HART communication signal and two configurable limit value contacts and are available for all physical measuring categories. The service and setting of the sensors is carried out by means of a display with three keys and integrated 4-digit 7-segment current loop display. The display head on the case body is swivelling around 300° and the display is additionally reversible, for an upside down installation of 180°. The case body including the electrical connection is also turnable around 300°. Transmitter versions Where exact measuring values are necessary in the form of simply evaluable analogous sensor signals, but no display is required, the transmitter versions can be used as a cost-optimised measuring instrument. The transmitter is also available for all current physical measuring dimensions, generates an output signal of 4... 20 mA, has modular electric connection facilities available and is configurable via HART communication. Switch variants with base equipment For all common physical measuring categories, switch variants with cheaper basic equipment are available. The current output signal can be connected to a digital input of a PLC. The switch sensors are programmable serial, e.g. via a separately available modem. The switch point setting can be performed directly at the device by an integrated hall sensor in combination with a separate magnet on site. A LED displays the switch status. The output is realized as open collector and galvanically isolated. Sensors with radio transmission About Company name: Müller Industrie-Elektronik Headquarters: Neustadt am Rübenberge, Germany Employees: 80 Products: sensors, transmitter, amplifier, strain gauge amplifier, displays, modems, load cells The ME sensors are also planned with radio ability as an additional equipment. Based on the lithium ion technology, these device types work as an energy self-sufficient system on battery power. For fitting the sensor with radio, depending on the application needs, there are modular additional options such as battery operation with internal aerial for short ranges from up to 50 m, with external power supply for long operating time or with external aerial connection with stationary aerial in the device with a range up to 300 m or also with a separated aerial for a range up to 5 km with 500 mW RF power and external power supply. Thanks to the modularity the sensor series ME enables the customer to put together the matching sensors type individually for the demands of the respective application. Photographs: teaser fotolia There is also a version to sense humidity available www.mueller-ie.com AUTOMATION TECHNOLOGIES 3/2014

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