Measurement, Control & Protection for 

Electro-Processes and High Power Conversion

  Welcome to DynAmp

formerly Halmar and LEM DynAmp High Current Systems

The leading electrical measurement technology provider for electro-industry.

Over 50 years of innovation combining real world know-how with advanced technology to provide the most advanced & reliable high power measurement and analysis systems available.

Proven electrical measurement systems, products & services...
for electro-industrial applications
Rectifier / power conversion measurement, analysis and protection
Total process current and voltage measurement
In process current distribution and voltage drop measurement
Primary Aluminum Smelting
Chlor-Alkali Electrolysis
Magnesium, Zinc, Copper & Steel

Front Page News


New LKAT2 significantly improves LKAT accuracy from 0.75% to 0.25%

Check LKATs already installed with our new LKAT test set
End of Support
CXM, FM, ADM, CM, UM, RDCMS & LKC: Products which were discontinued before 2000

DynAmp, LLC
3735 Gantz Road
Grove City, OH, 43123, USA
Tel: (+1) 614-871-6900
Fax: (+1) 614-871-6910

DynAmp Europe
EU Regional Office
Tel: (+49) 6431 90 22 67 10
Fax: (+49) 6431 90 22 67 19

Copyright 2015 DynAmp, LLC
All Rights Reserved
( formerly Halmar and LEM DynAmp )
To visit LEM Group, click here
Updated: June 2015