NABL Accredited Calibration Laboratory
AGGREGATE IMPACT TESTING MACHINE WITH BLOW COUNTER (BS - 812)-

AGGREGATE IMPACT TESTING MACHINE WITH BLOW COUNTER (BS - 812)-

Complies with following International Standards : NF P18-574, BS 812. Purpose - For determining the aggregate impact value of coarse aggregate. This test method provides a relative measure of the resistance of an aggregate to sudden shock or impact. Detailed specification as follows:

Compliance Standards

BS 812-112, NF P18-574

Construction Details:

  1. Manufactured from corrosive resistant plated steel.
  2. Consists of a circular base with two vertical supporting rods.
  3. Weight of circular base : 20-30 kg with a lower surface not less than 30 cm.
  4. Base and support columns forms a rigid frame work
  5. The quick release trigger mechanism is provided to ensure an effective free fall of the hammer during test.
  6. The free fall can be adjusted through 380 ± 5.0 mm.
  7. The hammer is provided with a locking arrangement.
  8. The lower end of the hammer is in cylindrical shape,  which measure as 100 mm in diameter and 5 cm long with 2 mm chamfer at lower edge and case hardened.
  9. A built-in counter automatically indicates the number of blows delivered.
  10. Weight  :  53 kg
  11. Complete with following accessories

1)    A cylindrical cup   : 102 mm diameter x 50 mm depth

2)    Metal measure     :  75 mm diameter x 50 mm depth (for specimen)

3)    A tamping rod       :  16 mm in diameter & 600 mm long, rounded at one end.

4)    Hammer               : 13.5 to 14.0 kg, 100 mm diameter

5)    Hammer free fall  : Raised to height of 380 ± 5.0 mm

6)    Counter                : Automatic blow counter to indicate no. of blows produced.

Animated Video CD with Commentary on the Working of the Instrument can be Provided at Extra Cost of Rs. 3000.00

The Video CD Covering Demonstration of 15 Different Instrument on Bitumen & Aggregate Testing can be Provided at Discounted rate of Rs. 30000.00

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