ETREMA Products, Inc. - Products

September 6, 2013 – 11:09
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Standard Actuators ETREMA's standard actuators are rugged and built for industrial use. Unlike pneumatic shakers, there is no need for hose lines or air compressors to drive a Terfenol-D actuator - just electricity. Terfenol-D actuators are also solid state and, therefore, have no moving parts to fail. As long as published operating limits are followed, an actuator from ETREMA Products will last indefinitely.

Standard, off-the-shelf magnetostrictive actuators provide an efficient way to harness the power of Terfenol-D technology. The line offering of standard actuators provides an off-the-shelf solution to many customer requirements at a reasonable cost. While ETREMA engineers can custom design actuators for unique applications, it is oftentimes desirable to incorporate a proven actuator design into an application to take advantage of quick turnaround on orders at prices that are well below a custom design. The variety of performance characteristics available with the standard actuator line makes it a straightforward task to find a suitable actuator for most applications and industries, such as process bulk material handling, sifting, mixing, material flow, material drawing/pulling (friction reduction), OEM Machine Manufacturers, foundries, and countless others.


  • Rugged
  • Stainless steel housing
  • Sealed or air cooled versions available
  • High displacement (up to 250 microns)
  • Very low magnetic flux leakage
  • Low/high frequency ranges available
  • Bottom/side electrical connection for versatile mounting requirements

Actuator Model Selector Guide:

Sonic Actuators

Ultrasonic Actuators

Frequency Range (Hz)
0-25, 000 CU18A

Call Etrema Products or email for a price quotation today! Most quotations returned in under 24 hours!

Introducing 1 anamorphic lens for canon


Your grid tie inverter

2006-11-07 17:40:58 by solarmandotorg

From what i gathered from google, your inverter probably does use MPPT (maximum power point tracking).. read your manual and make sure though.
like i said, seasonal tilt makes a huge difference. you have about 3 times the panels i do. i leave mine in place but i can move them in about 10 minutes and that includes dragging the ladder out.
you could even set up some linear actuators to move them up and down. these are the things that swung the huge satellite dishes back in the 70' and 80s.. little moter with a long bolt that spins a nut up and down a pipe.. a tiny motor can really move something like that

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