TSI WHM-4000 Series Magnetic Particle Tester

TSI WHM-4000 Series Magnetic Particle Tester

TSI WHM-4400 Wet Horizontal MPI Bench Unit, 42", 4000 Amp AC/HWDC
TSI WHM-4600 Wet Horizontal MPI Bench Unit, 72", 4000 Amp AC/HWDC
TSI WHM-4102 Wet Horizontal MPI Bench Unit, 102", 4000 Amp AC/HWDC
TSI WHM-4120 Wet Horizontal MPI Bench

TSI WHM-4000 Series Magnetic Particle Tester

This product has been discontinued, please call us for alternative options.

The WHM-4000 Series Wet Horizontal Magnetic Particle Bench units are 4,000 AMP AC/HWDC full featured magnetic particle testers.

Designed for inspection of small to medium sized parts, for surface and subsurface flaw detection and demagnetizing.


  • Mag. push button Hip Bar
  • Head Stock air cylinder footswitch
  • Airline pressure regulator
  • Tail Stock on rail rollers
  • 31" (80cm) and 42" (107cm) part length
  • 12" (30cm) ID 5 turn coil on rail rollers
  • 6 x 6" (15 x 15 cm) Head-Tail stock contact area
  • Replaceable Copper pads
  • Replaceable Lead plates
  • Head-Tail stock Delrin "V" groove supports
  • Front and Back hardwood grills
  • 20 gal (76 L) stainless steel tank
  • Water or oil bath compatible
  • Bath agitator and circulation seal-less pump with ON-OFF switch
  • Hand hose bath applicator
  • Gloss Black panels on silver cabinet


  • Eye level control box
  • Digital LED output current AC/DC meter with hold
  • Infinitely varible current control
  • Quick Break
  • Switchable AC or DC output with LED indicators
  • Switchable Coil and Direct current direction with LED indicators
  • Automatic Demag switch
  • Main power ON-OFF switch with ON indicator light
  • Adjustable .4 to 1.4 second Mag shot duration timer
  • Mag shot LED indicator
  • Readily replaceable Electronic Control box
  • Circuit Boards are acrylic coated for protection

MODELS WHM-4400, WHM-4600 and WHM-4102

Coil: 2200 AC/HWDC AMPS - 12" (30 cm)
DUTY CYCLE 4000A 0.5 second ON 4 seconds OFF
2000A 0.5 second ON 2 seconds OFF
LINE INPUT 230/460 VAC 50/60 single phase 100/50 AMP
DEMAG Slow Decay 3-6 seconds

Note: All TSI Hooded Enclosures come inclusive with a Light and Fan Box

Description Part # Saved Price Select Option Add to
TSI WHM-4400, 42", 4000 Amp AC/HWDC MT-TSI-404400 Request Pricing
TSI WHM-4600, 72", 4000 Amp AC/HWDC MT-TSI-404600 Request Pricing
TSI WHM-4102, 102", 4000 Amp AC/HWDC MT-TSI-404102 Request Pricing
TSI WHM-4120, 120", 4000 Amp AC/HWDC MT-TSI-404120 Request Pricing
TSI WHM-4401 Hood Enclosure for WHM-4400 MT-TSI-44401 Request Pricing
TSI WHM-4601 Hood Enclosure for WHM-4600 MT-TSI-44601 Request Pricing
TSI WHM-41021 Hood Enclosure for WHM-4102 MT-TSI-441021 Request Pricing