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SENSORS

autoEC – General Purpose Eddy-Current Conditioning Electronics
autoEC

autoEC
Affordable Precision Eddy-Current Conditioning Electronics

The autoEC is an innovative signal conditioning unit designed for high precision passive Eddy Current sensors.  Generally these sensors are custom based on the application.  This system works with a wide range of coil inductances and cable lengths and is very easy to setup and so is ideal for use in custom sensor configurations.   The system can run standalone or with a computer over a USB interface.  It delivers high performance via digital, analog voltage (0-5V,0,10V,+/-5V,+-10V) , or current outputs (0-20mA,4-20mA).  The system can be setup easily for very short or very long ranges with good performance.   The system linearizes and temperature compensates the sensor and electronics to a high degree of accuracy for a total performance package.  The system has a sample rate up to 22.5kHz for higher speed applications and allows the easy application of a digital filter for higher resolution.

autoEC - OEM Version
autoEC  – OEM Version

autoEC Downloads:

autoEC Applications:

  • Vibration Analysis
  • Position / Displacement Event Capture
  • Sizing
  • Sorting
  • Tracking
  • Closed Loop Feedback
  • etc.
Will the autoEC work with any inductive sensor?
The autoEC will work with most passive sensors that are in the 10-50uH range, though it may be possible to push outside that range if necessary.  Obviously it will not work with sensors that have integral electronics.
What is the interface to the sensor?
It is via an SMA connector where the shell of the SMA is grounded.
Can I make my own sensor?
Yes, in fact that is one of the strengths of the autoEC conditioner is that the sensors do not need to be precisely wound or even very uniform.   It is important to pay attention to the stability of the sensor coil as expansion and contraction of the coil are an error term.  It is best to coat it in a very good epoxy such as STYCAST 2850 though this may vary from application to application.  It is also wise to consider the sensor body material and how it is to be mounted relative to the target as any expansion or instability will be an error.  The last thing is that the cable is an important part of the sensor system as it needs to be a good coaxial cable for best performance.
Will EDI make a custom sensor for our application?
Yes.  EDI would need to learn the application details from a liaison with your company.
Does EDI have a standard line of sensors?
Not at this time though it may develop one in the future.
What is the lead time for an autoEC?
It will vary depending on the quantity ordered and what EDI has in stock at the time.  Contact sales for more information.
Does the autoEC need a computer to work?
No.  It does need a computer for initial setup or if the digital output is desired.  The analog outputs will work if it is plugged into a USB wall plug with at least 500mA capability.  OEM versions can run from 5V via a specially installed 2 pin connector.
Can EDI help me with my application?
Yes.  EDI has been working with Eddy current sensors and applications for over 30 years.
Will the autoEC work with capacitive sensors?
No.  The autoEC is strictly a conditioner for inductive sensors.  However, a future system specially designed for capacitive sensors but with the same easy to use features is possible with enough interest.
Will EDI customize the software specific for the application?
Yes.
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