Portable DC Magnetizing Coils

---

Available with Variable Output

---

Variable Output 0-10,000 Amp-turns

---

Fully Self Contained - No External Power Supply

---

The Western Instruments WD-Series DC Magnetizing Coils are designed specifically for Magnetic Particle Inspection, and have grown in popularity from the Oil Country Tubular Goods Inspection Industry. Drill Pipe, Couplings and other Drilling Tools are regularly inspected for Transverse Cracks, which are normally found in the last engaged thread. These inspections are often performed in the Field, but are just as common in manufacturing and repair facilities.

The WD-Series are available in 5 Models, with their Model Number designation in ID size:

WDV-8 (8-5/8”/219mm ID) WDV-10 (10-¾”/273mm ID) WDV-14 (14”/356mm ID)

WDV-16 (16”/406mm ID) WDV-25 (25”/635mm ID)

WDV-8 ,10, & 14 are available in 115Volt/60Hz and 230Volt/50Hz Models.

WDV-16 and 24 are available in 220 Volt/60Hz and 230Volt/50Hz Models.

All Models are Available with our exclusive AC Option

Kit Contents

• The WDV Power Supplies offer the operator Infinite Variable Control on the DC Output of the Coil
• All WD-Series Coils have a DC output greater than 10,000 Amp Turns, meeting the most stringent specifications
• WDV-Series Coils have gained a very favorable, World wide, reputation for their manual Reversing DC Demagnetization capability
• Reversing DC Demag is accomplished by Revising the Polarity Switch, Reducing the Amperage followed by a brief shot, by Energizing the Coil
• This Reducing - Reversing step is repeated, until the Field is reduced to a desirable level
• The AC Option would be selected if the operator wants to Demag small parts, or must inspect in an active AC Field
• WDV-AC Coils typically provide an AC field well over 4000 Amp Turns

Features

DC Magnetization Reversing DC Demagnitization Variable Output 0-10,000 Amp-turns

Digital Amp Meter - Constant Reading Solid State Electronic Controls Fully Self Contained - No External Power Supply

Specifications

Models	All sizes of WDV or WDP Series Coils
Voltage	115VAC or 230VAC (Nominal)
Current	WDV - 0 to 20 Amps (Model Dependent)
Capacity	WDV - 0 to 16,000 Amp-Turns (Model Dependent) WDP - 10,000 Amp-Turns (min. values)
Frequency	50 or 60Hz
Size	8.5”, 10.5”,14”, 16” 25” ID Min.
Weight	Model & Size Dependant 23 to 52lbs. (10.5-23.6kg)

• *Standard Voltage is 115 VAC, 230 VAC is optional.
• *Options; Cast Feet; and Removable Power Cord, ID Wear Bars, AC Output, Foot Switch.
• *Separate Power Supplies are available for retrofitting coils

1. The Size (Inside Diameter) of WDSeries Coils is to be sized to the physical size of the Work Piece to be inspected. Based on 1000 Amps per inch of ID
2. All WD-Series Coils have an integral Variable Amperage Power Supply, built into the integral Control Panel mounted on the top of the Coils
3. The Power Supply includes Infinitely Variable Amperage, Switched Reversible Polarity, and an LCD which always Displays the Amperage setting
4. WD-Series Coils are manufactured specifically for either 115VAC x 60Hz, or 230VAC x 50Hz power input Other Voltages can be accommodated
5. WD-Series Coils (under 14"/368mm) have an optional Automatic Ring-Down (Demagnetization) Option. For fast, reliable, & repeatable Demagnetization
6. The Removable Power Cord is for operators who may want extra mobility without the use of an Extension Cord.
7. Pulse DC Option aids in particle mobility, and ensures the ability to perform an Active Field Inspection

Note: All WD-Series Coils are available with the exclusive AC Option.

Downloads

Western Instruments WD-Series Magnetizing / Demagnetization MPI Coils - Data Sheet

Western Instruments WD-Series Magnetizing / Demagnetization MPI Coils - WD Series Manual

Western Instruments WD-Series Magnetizing / Demagnetization MPI Coils - WD Coils Ref

Western Instruments WD-Series Magnetizing / Demagnetization MPI Coils - Summary