Materials Testing
 
    Ttesting of fine/coarse aggregates determines their abrasion loss in the presence of water and an abrasive charge
MICRO101-0

Micro-Deval Apparatus

  • Micro-Deval apparatus
  • Stainless steel jar
  • 24 hour Digital timer

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The Micro-Deval is used to test the resistance of fine/coarse aggregates to degradation by abrasion.

This testing of fine/coarse aggregates determines their abrasion loss in the presence of water and an abrasive charge. Test results are helpful in judging the suitability of fine/coarse aggregates subject to weathering and abrasive action when adequate information is not available.

Principe of operation:

A pre-soaked aggregate sample is placed in the jar with a fixed volume of water and a fixed quantity of 9.5mm S.S. balls. The unit is then put into rotation for a known period of time. The period of time depends on the initial grade of the sample. At the end of the cycle, the sample is removed and the aggregate quality is determined by the percentage of loss by gradation.

Included
  • Micro-Deval apparatus (1, 2, or 3 tier) 115V 60 Hz 1 ph (other voltages available up on request)
  • Stainless steel jar(s) (1, 2 or 3) capacity: 5.03 litres
  • 9.5mm stainless steel balls (5.5, 11 or 16 Kg)
  • 24 hour Digital timer / controller• Magnet to remove S.S. balls

 

Accesories
  • 200mm sieves
  • 300mm sieves
  • Extra 9.5mm SS balls
  • 19.05mm SS balls
  • 31.75mm SS balls
  • Extra 5.03 litres jars
  • Magnet to remove SS balls
  • 24 hour Digital timer / controller

 

CAT. NO.DESCRIPTIONShipping Data ( lb (kg))cu.ft.
MICROX101DKITOne Tier Micro-Deval Apparatus100 (45.4)2.6
MICROX102DKITTwo Tier Micro-Deval Apparatus165 (75)5.6
MICROX103DKITThree Tier Micro-Deval Apparatus220 (100)8.3
MICROJAR5GExtra 5.03 liter S.S. Jar11 (5)0.6
MICRO3706-Extra Magnet1 (0.45)0.1
MICROSS430Extra 9.5mm S.S. ball/kg13 (6)0.2
CC5057-00024 hour Digital timer / controller10.1
Jar speed
100rpm ± 5rpm
Dimensions (WxDxH)
One tier20 x 12 x 16 in. (50.8 x 30.5 x 40.6 cm)
Two tier20 x 12 x 33 in. (50.8 x 30.5 x 83.8 cm)
Three tier20 x 12 x 50 in. (50.8 x 30.5 x 127 cm)
Warranty1 year
Complies to
  • NQ 2560-070/080
  • LC 21-101
  • LS 618/619
  • CAN/CSA A23.2-00-23A & 29A
  • AASHTO T327
  • ASTM D6928
  • Also available TXDOT 845-49-40

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