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Model 42105
Digital Absolute Permmeter

The Digital Absolute Permmeter is a fully automatic system which measures the permeability of porous sand masses, both in compacted and loose states.  Simply place your specimen on the rubber pede... View Full Description

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FULL DESCRIPTION

The Digital Absolute Permmeter is a fully automatic system which measures the permeability of porous sand masses, both in compacted and loose states.  Simply place your specimen on the rubber pedestal and press start.  With the addition of specifically designed accessories, the Permmeter can also measure the permeability of raw foundry sand, shell coated foundry sand, and refractory coatings that are used in the foundry industry.

When the Permmeter is in the “exploration mode”, the microprocessor determines and compensates for parasitic resistance to the pneumatic circuit created by other measuring devices, such as the Mold Permeability Accessory (Model 42105B) and the Base Permeability Accessory (Model 42105C).  This feature enables the identification of permeability of a porous body attached to another porous body, provided that it is possible to previously determine the permeability of one of them.  This is the case of permeability of a wash applied to a permeable substrate, for instance, a washed core.  The final results are shown in the display, with no need for calculations.

The unit includes an Electro-valve that controls the compressed air flow which fills and therefore raises the gasometric chamber up to a certain height, after which the inlet flow is stopped and the measuring stage starts.

The absolute determination of permeability is done by measuring the time required for a specific air volume at constant pressure to flow through the specimen or body being tested.

The permeability of either a standard 2 in.  x 2 in.  AFS or 50mm x 50mm metric foundry sand specimen can automatically be measured.

Components Included:
• Pneumatic Regulator/Filter
• Pneumatic Tubing (Approximately 1 m (3’))
• Pneumatic Fitting (Connects pneumatic tubing to the pneumatic regulator/filter outlet)

FULL DESCRIPTION
AFS:Part No. 0042105-ASM
 
Metric:Part No. 0042105-M-ASM
SAND CASTING PROCESS
Process: Clay Bonded Sand
Cold Box
Core Oil
Hotbox/Warmbox
Nobake/Air-set
Shell/Croning
SPECIFICATIONS
  • Part Number:
  • Compressed Air:
  • Power Requirements:
  • Length:
  • Width:
  • Height:
  • Weight:
 
  • Part Number
    0042105-ASM
  • Compressed Air:
    6 bar (90 psi)
  • Power Requirements:
    100-240 Volts, 50/60 Hz
  • Length:
    10.25" / 260mm
  • Width:
    14.25" / 362mm
  • Height:
    20.5" / 521mm
  • Weight:
    48lb / 21.8kg
 
  • Part Number
    0042105-M-ASM
  • Compressed Air:
    6 bar (90 psi)
  • Power Requirements:
    100-240 Volts, 50/60 Hz
  • Length:
    10.25" / 260mm
  • Width:
    14.25" / 362mm
  • Height:
    20.5" / 521mm
  • Weight:
    48lb / 21.8kg
REPLACEMENT PARTS
Rubber Pedestal Part Number: 0046034

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