EMC / EMI Testing - Clark Testing

EMC / EMI Testing



Clark Testing has a fully accredited EMC laboratory providing compliance testing for equipment manufacturers throughout the United States. Our EMC lab has anechoic and semi-anechoic chambers, copper shielded rooms and ground planes. Clark Testing's EMC lab is FCC compliant and 17025 accredited by NVLAB. We provide manufacturers product certification and validation services as well as pre-compliance and compliance qualification for a wide range of industries. Our EMC compliance testing services are uniquely complimented by our vibration, seismic, shock and thermal aging capabilities. Clark is the lab of choice with a broad array of environmental testing capabilities enabling our clients to benefit from a single source for all their testing needs.

Clark Testing has several state of the art EMC/EMI chambers which are equipped to handle many industry requirements such as Military, Power Generation, Aerospace, Automotive, Telecom, and Medical. Whether your project is in the design, development, or pre-compliance and qualification stages, our experienced staff will provide you with top quality and timely results.

We are adding new capabilities to the Clark Testing laboratory monthly, targeting additional compliance standards to meet our customers' need for to introduce new products to market quickly and with confidence.

EMC Shielded Enclosures:



  • MIL-STD 461 Anechoic Chamber

    • Clark's MIL Std chamber is ideal for qualifying medium to large sized equipment, components and sub-systems to Military EMC requirements.
    • Accepts Products: Up to 10ft height X 14ft width and 10,000lbs - Door Size 10ft Height x 12ft Width
    • Frequency: Between 50hz. and 40Ghz.
    • Equipment Power: From DC to 3-phase 480, and frequencies from 50 - 400 Hz.
  • 3 Meter Semi-Anechoic Chamber

    • Clark maintains an indoor 3m shielded semi-anechoic chamber with an electric powered turntable (up to 2,500lb) and antenna mask. The chamber is capable of RF attenuation levels of 100dB throughout the frequency range of 14Khz to 10Ghz. Clark's three meter chamber meets ANSI C63.4-2003 facility requirements.
    • Accepts Products: Up to 2,500lbs Maximum – Door Size 48" Height x 87" Width
    • Frequency: Between 14Khz. to 10Ghz.
    • Equipment Power: From DC to 3-phase 480, and frequencies from 50 - 400 Hz.
  • Double Isolated RF Shielded Copper Room

    • Accepts Products: Up to 1,500lbs – Door Size 3’ x 7’
    • Frequency: Between 10Khz. – 900Mhz.
    • Equipment Power: 120/220V up to 30A
  • Double Isolated RF Shielded Copper Room

    • Accepts Products: Up to 1,500lbs – Door Size 3’ x 7’
    • Frequency: Between 10Khz. – 900Mhz.
    • Equipment Power: 120/220V up to 30A
  • Ground Plane

    • 12' X 16' ground plane, that can be used to test lager equipment and perform power line and signal line immunity, with enough room to lay our all auxiliary equipment connected to the EUT


Test Capabilities


  • Clark's EMC/EMI laboratory provides compliance test solutions to the most common domestic commercial and military standards as well as several international standards.
  • US Standards:

    Radiated, Conducted Emissions
    • NRC Regulatory Guide 1.180
    • EPRI TR-102323
    • FCC Part 15 and 18; Class A and Class B
    • RF Exposure
    • IEEE-STD-299
  • Military Standards:

    • MIL-STD-461 D/E/F
    • CE101, CE102
    • RE101
    • RE102 Up to 18GHz
    • RS101
    • RS103 Up to 18GHz
    • CS101, CS114
    • CS115, CS116
  • Canadian Standards:

    • ICES
  • International Standards:

    • IEC6100
    • CISPER 11
    • CISPER 22
    • CE Mark Testing Standards
    • EN61000
    • EN55011
    • EN55022
Request a Quote

Clark Testing has been providing product qualification testing and design verification for manufactures for over 20 years. We provide our clients with independent testing.

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NVLAP Accreditation


Testing Video


Related Services


Analytical Chemistry


Laboratory Services


Vibration Testing


Environmental Aging / Life Cycle


Have a question or would like to request a quote? Call 888.325.8517 or Request a Quote