EFT Testing


EFT testing is a routine test  of electronics to determine immunity to micropulse phenomena that occurs along the power and data lines inside facilities, homes and vehicles. It can occur when a light switch is engaged, or a product holding a charge is plugged into the wall. Similarly, PoE can be a source for electrical fast transients along data lines, such as ethernet cables. For the physics, mathematical equations as to why EFT events exist, go back to Google, there are many in depth articles. Most of our customers are satisfied with the general understanding of the test, then more importantly, passing it for compliance and/or improving their product.

Pass/Fail Criteria for EFT Testing

The test sequences, clearly defined in IEC/EN 61000-4-4, are a variety of electrical fast transients delivered in bursts, in intervals over the course of several minutes. Most product specific standards give guidance as to what the failure criteria is. IE EN 55024 (ITE equipment) are determined by manufacturer, customer and best practice. This could range from allowing a soft reset during the EFT test sequence, a delay in processing or a system shut down. Usually, burning smells, melted plastic or a good old fashioned fire will be considered a fail. 

EFT Testing Procedure

Most modern EFT transient generators have test sequences pre-programmed, with the ability to manipulate test parameters such as pulse frequency and duration. The testing procedure constitutes:

  • Reading the test standard, manual and developing a test plan

  • Setting your product near to the EFT generator, while allowing the user to safely monitor the product.

  • Coupling your product into the generator

  • Starting the test sequence

  • Identify susceptibility areas and narrow down testing to troubleshoot and debug

  • Generate a test report

EFT Test Setup and Overview

Meet Electrical Fast Transient/Burst immunity test standards like IEC/EN 61000-4-4 with stand alone EFT/burst simulators.

EFT Testing There are 44 products.

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Showing 1 - 12 of 44 items
    • Internal automatic three-phase CDN
    • programmable setup of test parameters
    • controlled external three-phase high current CDN 
    • EFT 500S(single phase network) EFT 500T(three-phase network) 
    • Ethernet,RJ45 port for PC remote control, print and documentation 
    • 0.25kV-4.8kV±10%
    • additional hardware/software
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    • Rentals Ship Immediately
    • NIST Traceable Calibration Certificate
    • Order online now
    • Voltage Range: 0.10 to 4.5 kV
    • Built in Single Phase Coupler
    • Buy Used EFT/Burst Generators
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    • Haefely AXOS5 Rentals
    • Output Voltage: 0.2 – 5.0 kV
    • Automated test modes, software assisted test preparation, predefined test routines and visual aided test setups
    • Automatic generation of test report, including test parameters, test setup and test result
    • IEC/EN 61000-4-4
    • IEEE/ANSI C62.41
    • IEC/EN 61850-3
    • Easily expanadable to add Surge (IEC 61000-4-5) and/or PQT (IEC 61000-4-11 & IEC 61000-4-29)
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    • IEC/EN 61000-4-5 & ANSI C62.45: SurgeModule up to 5kV
    • IEC/EN 61000-4-4: Burst Module up to 5.5kV
    • IEC/EN 61000-4-11: Dips Interrupts and Variations
    • Built in Single phase 300 Volt/16 Amp coupler
    • Manual operation from front panel
    • USB and GPIB-Bus for remote control
    • Monitor outputs for peak voltage and peak current
    • Fail inputs
    • External variac control 0-10Vdc
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    • Compatible with Teseq's NSG 3040, NSG 3060 systems
    • Use with Teseq CAS 3025
    • Complies with IEC 61000-4-4 Ed 2.0 2004
    • Complies with IEC 61000-4-4 Ed 3.0 2012
    • Safety cover with interlock
    • Calibration kit per IEC 61000-4-4 Ed 3.0 2012
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    • Maximum cable size 40mm
    • Minimum test cable length 1m
    • Maximum EFT voltage 8kV
    • Coupling plane mounted on 0.1m insulation block
    • Handy carrying handle
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    • System Configuration:
      • E103 Controller (fiber-interface for remote control)
      • E411 EFT/Noise Burst Simulator to 4.4 kV (IEC 61000-4-4)
      • E501B Surge Simulator to 6.6 kV (IEC 61000-4-5, ANSI C62.41 Cat. B and UL 1449 at 3kA)
      • E4551A Single Phase Surge/EFT Coupler 250V rms (typ. 15 Amps)
      • Input voltage: 100V to 240VAC
      • Input Current: 3.5A at 100 V; 1.5A at 240 V
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    • Monthly Rental - Ships Immediately
    • Verification/calibration kit for IEC/EN 61000-4-4, amendment 2
    • For peak voltages up to 8.8 kV
    • INA 265B: 50 Ω termination, 60 dB attenuation
    • INA 266A: 1 kΩ termination, 66 dB attenuation
    • Compatible with all burst/EFT generators
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    • 3 Phase Coupler suitable for DUT up to:
      • 32 Amps, 3x 690 Volts AC
      • 32 Amps, 270 Volts DC
    • Voltage up to 4.8 kV
    • Meets Conducted Immunity Standards:
      • ANSI/IEEE C62.41
      • IEC/EN 61000-4-4
      • IEC 60601-1-2
      • IEC 61326
      • IEC 61850-3
    • Pulse verification acc. to Edition 3 on each coupling path
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    • Suitable for pre-compliance to IEC 61000-4-4
    • Built-in 3 Phase / 30 Amp Coupler
    • Easily Programmable
    • 100 Day Warranty
    • Fresh NIST calibration
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    • Used Cal Kit comes with 6 month warranty
    • Verification/calibration kit for IEC/EN 61000-4-4 and ISO 7637
    • Max input voltage: 8kV
    • 50 Ohm & 1 kOhm Load Resistors
    • Compatible with all burst/EFT generators
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Showing 1 - 12 of 44 items