Axos 8 Haefely 7kV Surge, 5kV EFT, and Ringwave Generator

Haefely 7kV Transient Generator:

  • Conifgured 7kV Surge & Ring & 5.5kV EFT/Burst
  • Built-in 264v/16a AC & 220v/15a DC CDN 
  • Front Panel Voltage & Current Monitoring Ports
  • Current ISO 17025 Cal & 2 Days Free Transit Time
  • External 3-Phase CDN (FP-COMB 32) Rentals


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Sale price$2,500

Axos8 Test Accessories


Conducted Immunity Generator Features

      • 6kV Surge,  5kV EFT/Burst, & 7kV Ringwave & Optional Dips
      • ISO 17025 Calibration & 2 Days Free Transit
      • Built In 264v/16A AC 220V/10A DC Single Phase Coupler
      • Voltage and Current Monitoring - Front of Unit
      • Easy to Operate, Manual & Automated Test Modes
      • Front Panel Attenuated Voltage & Current Monitoring 
      • Turnkey Solution - Arrives Ready for Testing!


The Haefely Hipotronics Axos8 conducted immunity test generator allow for 6kV surge/combination wave testing, 5kV EFT/Burst, and a 7kV Ringwave (optional Dips and Interrupts are availible) and a built-in single phase coupler. This test systems is the higher voltage version of the Axos 5, including a Ringwave Function. 

This Equipment is quite large and needs to ship via freight.  Select Fedex ground (no charge), and then we will call you for a shipping account number or a separate payment for the shipping costs (approximately $200 each way).

This Immunity Test Generator expandable functionality allows for quick and completely automated testing to the most common IEC, EN, ANSI, IEEE and UL standards. This test equipment is user friendly with manual and automated test mode and software assisted test preparation. It provides a touch screen for  efficient and effective manipulation of testing criteria to meet or a diverse set of testing needs. Both Axos units have front panel monitoring ports with built in attenuation allowing for quick ability to verify waveform.

This pulse generator allows for testing to EN/IEC 61000-4-4, EN/IEC 61000-4-5, EN/IEC 61000-4-12 and optional external box for testing per EN/IEC 61000-4-11 and EN IEC 61000-4-29. The Axos unit can either be operated via front panel by large colour graphic interface or remotely from the PC. This product has the ability to change testing parameters while conducting tests and is useful for monitoring and debugging function during design phase as well as compliance and pre-compliance testing.

Data SheetUser Manual


Common Standards

EN/IEC 61000-4-4, EN/IEC 61000-4-5, EN/IEC 61000-4-12

 (Optional: EN/IEC 61000-4-11 & EN IEC 61000-4-29)

General Data


Control Power

85V – 264V, 50/60 Hz

External Trigger Input


Trigger Output


Sync Input

BNC 10 V – 264 V AC


45 x 18 x 49cm, 17.11 x 7.02 x 19.29 inches


25kg, 55 lbs

IEC/EN 61000-4-4 Burst/EFT


Output Voltage

0.2 – 5.0 kV ±10%

Output Impedance

50 Ohms

Rise Time

5 ns ± 30%

Impluse Duration

50 ns ±30% at 50 ohms, 50 ns – 15 + 100 ns at 1,000 Ohm

Spike Frequency

1 Hz – 1 MHz

Burst Duration

10 µs – 1 s

Burst Period

1 ms – 10 s

Test Time

1 s – 1,000 minutes

Integrated single phase coupling/decoupling network

264 V AC/16 A

220 V DC/10 A

IEC/EN 61000-4-5 Surge Waveform


Max  Voltage

0.2 – 7.0 kV ± 10%

Voltage Rise Time

1.2 µs ± 30%

Voltage Duration

50 µs ± 20%

Output Impedance

2 Ohms

Phase Sync

0 - 359°with 1° steps or asynchronous mode

Output Current

0.1 – 2.5 kA ±10%

Current Rise Time

8 µs ± 20%

Current Duration

20 µs ± 20%

Integrated single phase CDN

264 V AC/16 A, 220 V DC/10 A

IEC/EN 61000-4-11 Dips & Interrupts

Also IEC / EN 61000-4-29

Max  Voltage

264V AC/DC

Max Current

16 A AC/DC continuous, 40 A for 3 seconds

Interupt Dip Level

0%, 0% - 99% with external voltage source

Interrupt Time

.5 period – 800 periods, 100 µs – 1000 minutes

Interval Time

1 period – 800 periods, 100 µs – 1000 minutes - asynch

Test Time

1 s – 1000 minutes

Phase Sync

0-359 degress 16/40/50/60 Hz

RMS Voltage and Current Monitor

BNC output 100:1V – 10A/V

IEC/EN 61000-4-12 Ed. 2 Ring Wave


Max  Voltage

0.2 – 7.0 kV ± 10%


100 kHz

Rise Time 

OC 5 µs; SC 1 µs


12 Ohm, 30 Ohm

Phase Sync Accuracy

± 1 degree

Repetition Rate

Up to 30 pulses / min

Packing List/Accessories

Included with Rental of Immunity Geneartor

Below you will find a list of common accessories that you can expect to be delivered with the equipment. This is a generic standard list and should you require an exact connector or accessory please contact us prior to order shipping. We are also excited to offer many different testing accessories not standard with the immunity generator. This does not include any coupler/decoupler items or accessories. A detailed list of these can be found on the "All Accessories" tab. 



    • Generator s/n
    • Printed User Manual
    • Calibration Documentation
    • Power Cord
    • EUT IN Power Cord with MC Connectors
    • EUT OUT Power Cord with MC Connectors
    • SHV to SHV Cord
    • BNC to BNC Cord
    • (4) MC Connectors
    • (4) 25cm Purple, Black, Blue, Yellow Patch Cords with MC Connectors 
    • Wing Nut (attached to ground terminal)
    • Red Wire Jumper (4-5) Aux 
    • Ethernet Cable
    • USB Cable
    • Shipping Case


All Accessories

Item Capabilities
DIP 116 Automatic Dips Transformer 16 A 40/70/80%

3-Phase CDN EFT/Burst 32 A / 690 V

FP-EFT 100M2

3-Phase CDN EFT/Burst 100 A / 690 V

IP4B Capacitive Coupling Clamp for EFT/Burst 


Automatic 3-Phase / 32A CDN Surge and EFT/Burst 2


3-Phase CDN Surge 100A / 690 V

PCD 121

Symmetrical Data & Control Line Coupler

PCD 126A

Asymmetrical Data & Control Line Coupler


Symmetrical Data & Control Line Decoupler


Symmetrical Data & Control Line Decoupler


Asymmetrical Data & Control Line Decoupler


Magnetic Field Test IEC / EN 61000-4-9

VTM 15000

Isolation Test 1.2/50 us up to 10 kV

VTM 15000/05

Isolation Test 1.2/50 us up to 10 kV / 0.5J

PDP 8000

HV Differential Probe 1000:1 for Surge

CP 101

Current Probe Model for Surge


External Emergency Stop Switch P12


External Warning Lamp P12



Axos 8 Testing Standards:

  • IEC/EN 61000-4-4 EFT / Burst
  • IEC/EN 61000-4-5 Surge Edition 2 & 3
  • IEC/EN 61000-4-9 Imp Magnetic Field
  • IEC/EN 61000-4-11 AC Dips and Interrupts
  • IEC/EN 61000-4-29 DC Dips and Interrupts
  • IEC/EN 61000-6-1 Generic Residential
  • IEC/EN 61000-6-2 Generic Industrial
  • IEC/EN 60335-1 Household
  • IEC/EN 60601-1 Medical
  • and many more


Axos8 - Capabilities, Setup, & Software: Transient Specialists

Description: This video is an overview of the Axos8 multi function conducted immunity generator. It provides a basic overview, including capabilities, how to setup the equipment, and additional testing considerations. This video also includes changing testing parameters through the software providing insight into how testing is conducted with this Haefely conducted immunity generator. 


Axos 8 - Overview: Haefely Hipotronics 


Description: This video by Haefely Hipotronics is the manufacturers video on how to setup and use the Axos series of conducted immunity generators. This video provides information on connections and running tests through the touch screen front panel of the equipment. It also provides information on modifying testing parameters and is followed by a Recap. 

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