Clark Testing Services, LLC

Powertrain Testing Structures Testing Hydraulic-Pneumatic Testing Field Data Acquisition & Analysis Noise & Vibration Testing

ISO/IEC 17025:2005 Certificate Customer Satisfaction Survey

Field Data Acquisition & Analysis
	CTS has been performing field duty cycle studies for over 50 years. Field tests have been conducted in 30 states and in nine foreign countries. Our expertise includes diverse product evaluations of on-highway and off-highway vehicles in the trucking, material handling, recreational, agricultural and military industries. We are proud to announce that CTS has earned ISO/IEC 17025:2005 accreditation, certificate number L2163.

Test Services Available
Field Testing: Field Testing conducted at the customer plan, laboratory, work site or proving grounds Multiple parameter recording & correlation: stress, strain, pressure, torque, force, flow, displacement, speed, acceleration, temperature Histogram and distribution analyses: fatigue life estimates for welded and non-welded structures using rain flow cycle count with or without mean, equivalent damage conversion and Miner's Rule cumulative damage summation, level crossing, percent time distributions, revolutions at torque or pressure, average speed, horsepower, energy, event counting Performance investigations: short-term, "cause and effect" studies System simulation: field duty cycles-to-lab test correlation, accelerated testing durability test programs, failure analysis System simulation: field duty cycles, accelerated testing, failure analysis System evaluation: on-vehicle performance, prototype testing, efficiency studies, fatigue analysis, long-term recording capability	Field Test Equipment: Field Data Acquisition & Analysis Systems: Digital: SoMat 24-channel recorder and signal conditioning unit with 440 MB data storage designed for long term, on-board data acquisition. Recordgin systemsequipped with time history, frequency, or digital inputs, DC, telemetry and temperature multiplexing. Data playback oscillograph capability. Data reduction at 64 times "real time". Digital: 24-channel field computer system with 100,000 samples per second (per channel) sample rate for a variety of data acquisition scenarios (strain, RPM, torque, pressure, temperature, etc.). Computer software for performing "state-of-the-art" fatigue life estimates. Also, one Dataq 16-channel field computer system with 512 MB data storage is utilized for long term on-board data acquisition. Mobile test van equipped to transport personnel and equipment for on-site instrumentation, data recording and analysis.