D-2000 & D-2000T High-Performance AF Demagnetizers


Manufactured in the USA by ASC Scientific

The D-2000 (static) and D-2000T (tumbler or static) high-performance, alternating field demagnetizers are designed for paleomagentics & rock magnetics work. Standard features include 2000 Gauss (0.2 T) peak demagnetization field intensity, built-in ARM and partial ARM, and a computerized operator interface. The D-2000’s offer all the features of high-quality manually controlled demagnetizers plus a graphical operator interface which facilitates system setup and operation. Different operators can use the D-2000’s simply by recalling their favorite settings from disk. System upgrades are easily uploaded. Even tuning and diagnostics are simplified using the D-2000 software.

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Operator programmable settings are available for peak demagnetizing field intensity, decay rate, ARM intensity, PARM intensity, and PARM start and end points. Stepped demagnetizations and stepped ARMs and PARMs can be performed with a mouse click. Operators can even choose to work in either the S.I. or c.g.s. system of units.

The D-2000 software helps the operator develop complex sample-processing procedures while minimizing errors. After the procedure is developed, it can be saved to disk for later use. The number of customized procedures is limited only by available disk space. Less experienced operators can simply recall a previously saved procedure, reducing their need for supervision.

The D-2000 is a complete, computer-controlled, demagnetizing system offering peak AF intensities up to 0.2 T with built-in PARM and ARM. Rugged construction, attention to detail, and modular design help ensure long life, safe operation and easy access to important components for upgrade, tuning, and replacement.

AF Peak Field: 0.2 T (2000 Gauss)
Minimum AF Field Step: 0.0001 T (1.0 Gauss)
ARM Peak Field: 0.0015 T (1.5 Gauss)
PARM Peak Field: 0.0015 T (1.5 Gauss)
AF Decay Rates: Eight discrete rates available
Minimum PARM Step: 0.0001 T (1.0 Gauss)
Sampling Handling Static – Holds 4 (D-2000) or 3 (D-2000T) 1″ cyl. or cube samples
D-2000T Tumbler – Holds one 1″ dia or 2 cm cube
Tumbler is removable, allowing Static or Tumbler operation
Computer Interface: Mobile Pentium-based computer
Operating System: 32-Bit Microsoft Windows 7


  • 2000 Gauss (0.2T) peak demagnetization field intensity
  • Built-in ARM and pARM
  • Graphical operator interface
  • D-2000T includes 2-axis sample tumbler

Equipment List

  • Controller Electronics
  • Power Amplifier
  • Alternating Field Coil
  • ARM/PARM Field Coil
  • Triple-Layer Coil Shield
  • 2-Axis Sample Tumbler (D-2000T)
  • Laptop PC Included
  • Cabling
  • Surge Protector
  • Operations Manual

Operating Software

Windows Operating Interface

User Programmable Settings:

  • AF Demagnetization Field Intensity
  • ARM Intensity
  • PARM Intensity
  • PARM Window
  • AF Field Decay Rate

Demonstration Software Disk Available

Warranty: 1-year limited warranty. 1-year free telephone and e-mail support.

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