Bullet Sensors & Transducers e-Digest, Vol. 59, Issue 9, September 2005: Product News

    (ISSN 1726- 5479)


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Intelligent Digital LVDT Controllers & Indicators Simplify Set-Up In Diverse Application



Pennsauken, NJ, September 9, 2005 - Macro Sensors introduces a new family of economically-priced and user-friendly digital controllers and indicators that delivers precise measurement for applications using AC- and DC-LVDT (Linear Variable Differential Transformer) inputs.


Designed especially to optimize the use of LVDTs in automation, process or lab applications, the Series DMI Single Channel LVDT Indicators offer user-friendly set-up with a scrolling display that actively prompts users for all LVDT parameters. A 5-digit alphanumeric display, which can be calibrated in any engineering units, offers readout down to 1/10,000 inch.  Units offer four programmable setpoints with alarm status annunciator LEDs. With the Series DMI Indicators, R&D staff, factory automation personnel and other technicians can easily set up and monitor the functionality of plant controllers and indicators without engineering assistance.


Designed to drive and condition the signal from an LVDT transducer, the Series DMI Single Channel LVDT Indicators contain two high-speed micro controllers and a 16-bit A/D converter that has over 130 dB noise rejection at the excitation frequencies and is capable of 40 Hz averaged output on 45 samples. Scrolling text menus provide quick access to a range of configuration modes for easy application setup.


LVDT sensors used with the Series DMI Single Channel LVDT Indicators can be applied in almost all engineering applications covering civil, mechanical, petrochemical, power generation, production, aerospace, defense, and much more. They can be used on production lines to automatically gauge products for quality control and product sorting. In the power generation and petrochemical industries they can be used, for example, as servo position feedback on actuated equipment such as valves and dampers, or for measuring turbine casing expansion. Submersible units can be used in marine and offshore mining applications.


LVDT Controller and Indicator





Ed Herceg,

Macro Sensors,

Tel.: 856-662-8000

E-mail: eeh@macrosensors.com



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