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Industrial Magnetics, Inc. - Making Things Better®

Magnetic Pull Test Kit

Magnetic Pull Test Kit
Magnetic Pull Test Kit Image 1Magnetic Pull Test Kit Image 2Magnetic Pull Test Kit Image 3

Why test Magnetic Strength?

A magnetic pull test is a reliable and widely used method throughout the industry for determining the strength of a magnet. Strength is important, as it determines how effective the magnet will be in its given application. A magnetic pull test can be used in comparing two magnetic devices that look very similar on the outside, but may have different magnetic circuitry or magnet material on the inside, resulting in a more, or less, effective magnet. Magnetic pull strength testing can be performed on magnets with round or flat surfaces and on either permanent or electromagnetic circuits.

Principle

Pull strength is determined by using a calibrated scale and a ferrous test piece. A ferrous metal plate is used to test plate magnets and conveying rail, while a ferrous metal sphere is used to test magnetic tubes. The ferrous object is attached to the snap swivel hook on the scale and drawn away 90 degrees from the magnet until it is released. The pull strength, or pounds of pull it takes to release the test piece from the magnet, indicates the strength of the magnet.

It is important that each pull test be conducted with consistency to ensure that an accurate reading is achieved and we recommend that you use the average of several pull tests to determine your reading.

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CONTENTS WHERE TO USE
X         1 pc. Handheld linear scale 0-25 lbs. pull scale (Small Ball on Rare Earth)
  X   X   1 pc. Handheld Digital Force Gauge 0-44 lbs. Digital pull scale (Small Ball on Rare Earth)
    X   X 1 pc. Handheld Digital Force Gauge
- NIST Traceable
0-44 lbs. Digital pull scale (Small Ball on Rare Earth)
X X X     1 Set of four Spacers (1/8" thick, 1" wide, 4" long stainless steel bar stock pieces) Use for testing air gap in 1/8" increments on magnetic tubes, plates and rail.
X X X     1 pc. Ball* on ring, 1" diameter On surface of: Ceramic, tubes, pipe, plates and bullet magnets.
X X X     1 pc. Ball* on ring, 1/2" diameter On surface of: Ceramic or Rare Earth (see above).
X X X     1 pc. Ball* on ring, 1/4" diameter On surface of Rare Earth round products (tubes, pulleys, etc.).
X X X     1 pc. Round Test Plate (16 ga. x 3" dia.) Ceramic or electromagnetic flat surfaces with Airgap.
X X X     1 pc. Polarity Tester
Green Light (South) - Red Light (North)
Used to determine if magnets are properly aligned. Magnetic rail should be N to N and S to S. Magnetic tubes should alternate NSNS.
X X X     1 pc. Magna View (4" x 4" green sheet) Used to show gap between magnets, either air or pole pieces.
X X X     1 pc. General 6" rule Used to measure magnet thickness and application areas.
*Test balls are 1010-1020 (low) carbon steel. Hardness: Very Hard Rockwell C60. Tolerance: +/- 0.005”. Meets ASTM A29 Standard.

PULL TEST KIT SCALE SPECIFICATIONS

Handheld Linear Scale

Digital Force Gauge

• Accuracy: +/- 1 Graduation
• Avoirdupois and Metric Graduations
• Brass construction with precision steel springs
• Lightweight with a swivel safety hook
• Maximum reading pointer
• Zero/Tare knob standard
• Maximum Overload: 125% of capacity
• Tare Capacity: 10% full scale capacity
• Operating Temperature: 45° - 100°F (7° - 38°C)
• Weight: 32 oz (907 g)
• Accuracy: +/- 0.5% of full scale
• Power: 4 x 1.5v AA Batteries included
• LCD Display
• Lightweight Plastic Housing
• Tension and compression measurement
• Data output: RS-232
• Auto Power Off after 5 minutes of inactivity
• Overload: 120% of capacity - Overload Warning
• Weight: 8.8 oz (249 g)
• Operating temperature: 50° - 95°F (10° - 35°C)

Order Online - click the part number to add to shopping cart

Pull Test Kits for Magnetic Equipment
ShippingPart NoDescription
QuickShip Program PTK2000 Magnetic Pull Test Kit with Standard Pull Scale
QuickShip Program PTK3002 Magnetic Pull Test Kit with Digital Pull Scale
QuickShip Program PTK3002NIST Magnetic Pull Test Kit with Digital Pull Scale - NIST Traceable
Standard Shipping PTKDGT02 Digital Pull Scale to be used with Pull Test Kit
QuickShip Program PTKDGT02NIST Digital Pull Scale - NIST traceable - to be used with Pull Test Kit

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