TEMPEST Testing


TEMPEST Testing

DTB - Dayton T. Brown, Inc. is certified under the National Security Agency (NSA) TEMPEST Endorsement Program to provide TEMPEST Testing service.


We can perform testing in accordance with a variety of requirements including NSTISSAM and AMSG specifications.


With over 20 years of TEMPEST experience, we can provide a full range of support, from proposals, to control and test plans, laboratory and/or field testing, failure analysis and corrective action, and installation guidance.







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Magnetic Field Emissions and Immunity Testing
(MIL-STD-2036A and MIL-STD-1399)


Magnetic Field Emissions and Immunity Testing (MIL-STD-2036A and MIL-STD-1399)

According to Mil-STD-2036A, typically applicable to shipboard requirements testing, DTB is capable of meeting the requirements for DC magnetic field environments.


In addition, we can perform all the testing and measurements specified in paragraphs 5.3.1 through 5.3.9 of MIL-STD-1399, Section 300A.

 

DTB can provide ungrounded user equipment input power in accordance with MIL-STD-1399, Section 300A.

 

Our variable voltage and variable frequency testing power capabilities are as follows: 440 VAC Line to Line Three Phase, up to 60 kVA, 115 VAC Line to Line Three Phase, up to 50 kVA, 115 VAC Line to Line Two wire, up to 20 kVA.


We also offers the 1,000 Volt Voltage Spike test and the 2,500 Volt Voltage Spike test on three phase or two wire configured test items in accordance with paragraph 5.3.3 and Appendix A of MIL-STD-1399, Section 300A using an isolated power source as required by the specification.


Further, our skilled engineers and technicians can perform the DC Magnetic Field Susceptibility Testing specified in MIL-STD-1399, Section 070. Our largest test coil has internal dimensions of 17 feet by 10 feet.


During MIL-STD-461D, E and F Testing, we can provide up to 200 Amperes per Phase of 440 VAC Three Phase, 60 Hz ungrounded filtered power, and 115 VAC Line to Line Three Phase, 60 Hz ungrounded filtered power in accordance with MIL-STD-1399, Section 300A.



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Site Surveys


Dayton T. Brown, Inc. has performed site surveys at a variety of locations. We have portable equipment and power sources to perform on site testing in most locations.


We can perform surveys for:


Site Surveys

  • Conducted Ambient DC to 1 GHz

  • Magnetic Field, DC to 30 MHz

  • Electric Field, 30 Hz to 40 GHz













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Shielding Effectiveness Testing


Shielding Effectiveness Testing

We have over 50 years of Shielding Effectiveness (SE) experience from 1960’s era aircraft harnesses through latest in Ethernet CAT-7 cables and composite materials.


There are dozens of shielding effectiveness (SE) specifications in the military and commercial worlds with, most designed to provide a tool for quality control for specific materials.


We have specialized in adapting these specifications to develop tests to evaluate shielding effectiveness in real world conditions.

In conjunction with the U.S. Navy, we built one of the first large stirred mode chambers to test the shielding effectiveness of large armament systems.


Many of our customized test approaches have been incorporated into product development specs or test specs.


We can test in accordance with IEEE 299, MIL DTL 83528C, IEC 61726,ANSI/SCTE 48-1 and Mil STD 285 and we have performed Shielding Effectiveness testing on hundreds of items including the following:



  • Rooms – shielded and unshielded

  • Cabinets – system racks, equipment enclosures

  • Panels – metal, composites, laminates, glass, fabric

  • Cables – power, RF, communications, Ethernet, etc.

  • Connectors

  • Gaskets

  • Special/Unique – aircraft fuselage, torpedo hull, aircraft engine cowling


New products or applications also undergo environmental and vibration evaluations in our lab. We have performed specialized tests such as combined temperature/vibration to assess pin chatter in connectors, cold temperature bend radius for cables, or long term corrosion tests on composite panels, just to name a few.



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Electro-Static Discharge (ESD) Testing



  • RTCA DO-160 Sect 25

  • EN61000-4-2

  • ESD Testing

  • ISO 10605

  • ESD testing of Vehicles and Vehicle Components



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High Power Capabilities



  • AC 480V 3-Phase 200 Amp

  • DC 300V 150 Amp


Power Quality Testing


Power Quality Testing to MIL-STD-704, MIL-HDBK-704, MIL-STD-1399, MIL-STD-1275

  • MIL-STD-704

  • MIL-HDBK-704 including 270 VDC capability

  • MIL-STD-1399 Sect 300

  • MIL-STD-1275

  • Commercial Aviation

    • Boeing

    • Airbus

    • RTCA DO-160 Sect 16



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Electrical Testing


Electrical Testing

We can conduct numerous types of electrical measurements and are experts in designing and calibrating measurement setups that can get you the information you need to verify your devices performance.



  • Voltage Spike

  • Electrostatic Discharge

  • Resistance

  • Capacitance

  • Inductance

  • Residual Magnetic Field

  • Frequency

  • Voltage

  • Current

  • Leakage Current

  • Dielectric Breakdown

  • Power

  • Power Factor

  • Impedance

  • Contact Resistance

  • Contact Bounce

  • Gain

  • Insulation Loss

  • Insertion Loss

  • Return Loss

  • Cross Talk

  • Frequency Response


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Sample Application: Rail Transportation EMI / EMC


Rail Transportation EMI / EMC

How do you test a ten-car train that is over 600 feet long, weighs over one million pounds, requires 6000 amps at 600 Vdc to operate, and is moving at 50 mph for EMC acceptance?


You hire the best team for the job: our Dayton T. Brown, Inc Lab team. We have assembled a group of engineers from several disciplines within our lab. And these experts developed the instrumentation, methods, and expertise to perform EMC acceptance testing of the newest technology subway cars.


So, when New York City Transit (NYCT) started placing into service the “New-Technology” subway cars, they chose and hired our Dayton T. Brown, Inc Lab team of experts to perform the EMC acceptance testing for each of their new train model.


If you need rail transportation EMI/EMC testing, you too can profit from our proven testing methods.  Make the right choice and request your quote now.



You may be intrested in this Sample Data Sheet Results of MIL-STD 461 Test



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Facilities and Equipment


Equipment


Equipment

•   Multiple EMI receivers for the range of 20 Hz to 40 GHz

•   Multiple Signal Sources for the range of DC to 40 GHz

•  Transient Test Systems for:

MIL-STD-461A, B, and C, Methods CS06 and RS02 (Two available).

MIL-STD-461F Method CS106 (Two available).

MIL-STD-461D, E and F, Method CS115 (Two available).

MIL-STD-461D, E and F, Method CS116 (Two available).

50µsec pulse generator for CS06/RS02 type testing

MIL-STD-1399 Transient Generator

RTCA/DO-160 Section 17 Transient Generator (Three available).

ABD0100.1.8.1, AMD24C Voltage Spike Testing (Fully Compliant for A350, M400, A380, and RTCA/DO160, Section 17)

Several Custom Transient Generators for automotive testing.

• Power Amplifiers

DC to 100 kHz, 1000 Watts CW, Multiple Amplifiers.

Power Op-Amps, ±36V, ±12A, DC to 100 kHz, Multiple Amplifiers.

10 kHz to 200 MHz Multiple Amplifiers up to 2500 Watts CW.

200 to 1000 MHz, Multiple Amplifiers up to 1000 Watts CW.

1 to 18 GHz, Multiple Amplifiers, up to 500 Watts CW.

18 to 40 GHz, 10 Watts CW.

200 to 1300 MHz, 5000 Watt Pulsed Source.

• Antennas

Antennas capable of generating in excess of 200 V/m from 10 kHz to 40 GHz Electric Field and DC to 30 MHz Magnetic Field.

For most Emissions testing antennas we have at least three to allow for multiple test setups. For most Susceptibility testing antennas we have at least two to allow for multiple test setups.

Multiple Helmholtz coils

Multiple Single loop magnetic field coils for DC Magnetic field testing of very large items. The largest is 17’ long by 10’ high capable of generating a DC magnetic field of 20 Gauss.

Multiple Magnetic Field Coils for RS101 testing

• Current Probes

Multiple Current Monitoring Probes for 5 Hz to 1 GHz

Multiple Active Current Monitoring Probes for DC to 100 MHz

Multiple Current Injection Probes for 10 kHz to 1 GHz

• Line Impedance Stabilization Networks

50 µH LISNs for MIL-STD-461D, E and F and other specifications. We have over 40 available.

50 µH LISNs for FCC/CE testing and other specifications. We have over 8 available.

5 µH LISNs for Automotive, RTCA/DO-160, and MIL-STD-461A, Notice 4 and other specifications. We have over 30 available.

57 µH LISNs for MIL-STD-461A, Notice 4. We have 6 available.

0 µF capacitors for MIL-STD-461 A, B, and C, RTCA/DO-160 and other specifications. We have over 40 available.

UK DEF STAN LISNs, 8 available.

TEMPEST LISNs, 4 available.

Other specialized LISNs, Filters, and networks available for specialized testing.



Test Facilities


Shielded Anechoic Chamber

•   Shielded Anechoic Chamber

ANECHOIC 1:

20’ by 20’ by 12’ high

Pyramidal and Ferrite Tile absorber

7’ by 3’ personnel door and 7’ high by 6’ wide large equipment door

Shielded Ancillary Enclosure measuring 8’ by 12’ by 8’ high. Ancillary chamber has DC, 60 Hz and 400 Hz power available.


POWER:

DC, 0 to 600V at up to 500A*

AC 115VAC, 60 Hz, 3 Phase, up to 200A*

480VAC, 60 Hz, 3 Phase, up to 200A*

115VAC, 400 Hz, 3 Phase, up to 150A*

Variable Frequency and Voltage from Solid State Programmable AC Power Sources.

16 to 819 Hz, 0 to400V, Single phase at up to 375A or three phase at up to 125A per Phase and 47 to 500 Hz 0 to 120V at up to 175A/Phase*



ANECHOIC 2:

30’ by 32’ by 12’ high

Pyramidal absorber

8’ by 3’ personnel door and 8’ high by 10’ wide large equipment door

Shielded Ancillary Enclosure measuring 8’ by 16’ by 10’ high. Ancillary chamber has DC, 60 Hz and 400 Hz power available.


POWER:

DC, 0 to 600V at up to 500A*

AC 115VAC, 60 Hz, 3 Phase, up to 200A*

480VAC, 60 Hz, 3 Phase, up to 200A*

115VAC, 400 Hz, 3 Phase, up to 150A*

Variable Frequency and Voltage from Solid State Programmable AC Power Sources.

16 to 819 Hz, 0 to400V, Single phase at up to 375A or three phase at up to 125A per Phase and 47 to 500 Hz 0 to 120V at up to 175A/Phase*.


ANECHOIC 3:

15’ by 18’ by 10’ high

Pyramidal and ferrite tile absorber

8’ by 3’ personnel door and 8’ high by 6.5’ wide large equipment door

Shielded Ancillary Enclosure measuring 10’ by 11’ by 8’ high. Ancillary chamber has DC, 60 Hz and 400 Hz power available.


POWER:

DC, 0 to 600V at up to 500A*

AC 115VAC, 60 Hz, 3 Phase, up to 200A*

115VAC, 400 Hz, 3 Phase, up to 150A*

Variable Frequency and Voltage from Solid State Programmable AC Power Sources.

16 to 819 Hz, 0 to400V, Single phase at up to 375A or three phase at up to 125A per Phase and 47 to 500 Hz 0 to 120V at up to 175A/Phase*


ANECHOIC 4:

20’ by 32’ by 10’ high

Pyramidal and ferrite tile absorber

8’ by 3’ personnel door and 8’ high by 8’ wide large equipment door

Shielded Ancillary Enclosure measuring 12’ by 16’ by 10’ high. Ancillary chamber has DC, 60 Hz and 400 Hz power available.


POWER:

DC, 0 to 600V at up to 500A*

AC 115VAC, 60 Hz, 3 Phase, up to 200A*

115VAC, 400 Hz, 3 Phase, up to 150A*

Variable Frequency and Voltage from Solid State Programmable AC Power Sources.

16 to 819 Hz, 0 to400V, Single phase at up to 375A or three phase at up to 125A per Phase and 47 to 500 Hz 0 to 120V at up to 175A/Phase*


•   Shielded Solid Chambers

SCREEN CHAMBER:

20’ by 20’ by 10’ high

7’ by 3’ personnel door and 10’ high by 9’ wide large equipment door


POWER:

DC, 0 to 600V at up to 500A*

AC 115VAC, 60 Hz, 3 Phase, up to 200A*

115VAC, 400 Hz, 3 Phase, up to 150A*

Variable Frequency and Voltage from Solid State Programmable AC Power Sources.

6 to 819 Hz, 0 to400V, Single phase at up to 375A or three phase at up to 125A per Phase and 47 to 500 Hz 0 to 120V at up to 175A/Phase*



TEMPEST CHAMBER:

20’ by 16’ by 10’ high

7’ by 3’ personnel door and 8’ high by 6’ wide large equipment door

Shielded Ancillary Enclosure measuring 12’ by 8’ by 8’ high.

Ancillary chamber has DC, 60 Hz and 400 Hz power available.


POWER:

DC, 0 to 600V at up to 500A*

AC 115VAC, 60 Hz, 3 Phase, up to 200A*

115VAC, 400 Hz, 3 Phase, up to 150A*

Variable Frequency and Voltage from Solid State Programmable AC Power Sources.

16 to 819 Hz, 0 to400V, Single phase at up to 375A or three phase at up to 125A per Phase and 47 to 500 Hz 0 to 120V at up to 175A/Phase*



•   Reverberation Chamber

Reverberation Chamber
Chamber used for Mode Tuned testing for automotive, military and commercial aircraft testing.

Chamber also used for shielding effectiveness testing.

Chamber calibrated per EN 61000-4-21 for Mode Tuned testing.

Large Z fold tuner per EN 61000-4-21

Computer controlled

16’ by 12’ by 10’ high 7’ by 4’ door


POWER:

DC, 0 to 600V at up to 500A*

AC 115VAC, 60 Hz, 3 Phase, up to 200A*

115VAC, 400 Hz, 3 Phase, up to 150A*

Variable Frequency and Voltage from Solid State Programmable AC Power Sources.

16 to 819 Hz, 0 to400V, Single phase at up to 375A or three phase at up to 125A per Phase and 47 to 500 Hz 0 to 120V at up to 175A/Phase*



•   GTEM

GTEM
This chamber allows high speed testing to Commercial Radiated Emissions and Immunity Standards in an EMI free ambient environment.

The chamber is also used by several automotive standards.

Chamber specifications are as follows:


POWER:

1.75 Meter Septum Height.

Chamber overall size is over 26’ long by 13’ wide by 11’ high.

Large access door is 1 meter wide by 1.3 meter high to allow personnel to enter cell and work on test item.

Small access door near tip of cell.

Maximum test item size is 1.5 meter long by 1.5 meter wide by 1.32 meter high.

Uniform field area (±3 dB) is 1.15 meter long by 1.15 meter wide by 0.6 meter high.

Non-conductive remote controlled manipulator for positioning test item in the required 3 axis.

1 kW power maximum RF power.

Radiated Immunity Field Strength in excess of 200 V/m.

Frequency range DC to 20 GHz.

For Radiated Emissions from 30 MHz to 6 GHz correlatable to OATS at 3, 10, or 30 Meters.



•   OATS

OATS
3 and 10 Meter Open Area Test Site (OATS), certified accredited by A2LA.

FCC Certified site.

6 foot diameter flush mounted turntable, rated for over 3000 lbs.

Climate controlled site, covered with a 24’ wide by 48’ long by 20’ high RF transparent fiberglass structure that allows testing in all weather conditions.

Climate controlled control room located below ground plane.





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