Home » Equipment » QPP 2-Circuit current pulse generators

QPP 2-Circuit current pulse generators

Description:

Item numbers:

  1. 1710 (QPP 3000 2-circuit current pulse generators)
  2. 796 (QPP 6000 2-circuit current pulse generators)

 

The devices of the QPP series allow for a cost effective and fail-safe magnetic particle test for surface defects (such as cracks, blowholes, or pores) of magnetizable material, reducing the required amount of expandable material at the same time.

Procedure:
The test method uses two current impulse channels, which alternately produce high-current pulses on separate outputs. Thus, two orientations of surface defects can be tested simultaneously.

Application:
The area of application covers inspection for surface defects on ferromagnetic steel parts, e.g. welded joints, cast and forged items, grinded surfaces, cold- and hot-formed parts, hardened parts, and more.

Important note:
The suitability of QPP equipments has to be tested in every individual case in advance. Please contact us to arrange a personal appointment for demonstration.

More information

Benefits:

  • Clear indication using DC current pulses, alternatively using AC pulses
  • Reduction of false positives
  • Simultaneous inspection for longitudinal and crosswise defects by using two independent current sources for magnetization (using current flow though the probe or coils, or a combination of both)
  • Fast and efficient inspection of large structures and surfaces
  • Simultaneous inspection of multiple parts
  • Magnetization by current flow through the part or by use of coils, or by a combination of both methods
  • Mobile inspection is possible even under cramped conditions
  • Negligible generation of heat in the part under test
  • No problems with residual magnetism after test
  • Permanent surveillance of contact quality to avoid contact burn
  • Combined measuring of test current and magnetic field for both output channels.
  • Low energy consumption
  • Demagnetiziation

 

Optional accessories:

  • External display (for mounting on e.g. a workshop trolley)
  • Wired remote control (foot switch)
  • Wireless remote control

 

Technical data according to EN ISO 9934-3:

    QPP3000 QPP6000
Pulse short-circuit current Ik A AC/DC 18000 AC/DC 25000
Rated voltage Umax (SELV) A + +
Pulse frequency at Imax

(depending on rated current)

Hz > 3,3 > 3,3
Max. Nominal pulse current Imax

(load dependent )

  4000 – Ik 5000 – Ik
Nominal pulse current adjustable 0-Imax Steps 60 60
       
Operating data      
Mains connection VAC 3 x 400 3 x 400
Frequency Hz 50 – 60 50 – 60
Power consumption kVA 4 8
Duty cycle ED for intermittent continuous operation % 100 100
       
Test voltage for contact testing V < 12 < 12
Start/Stop   Switch Switch
Self-test   + +
Socket, 230 VAC   + +
       
Dimensions      
Length x width x height without handle mm 500x600x600 500x600x600
Weight without cable kg ca. 80 ca. 80
       
Options      
Field strength measurement with display of peak value and time history   0-280 A/cm 0-280 A/cm
Remanence measurement   + +
Wireless remote control   + +
PC interface + software for documentation of the test   + +

 

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