Balloon density apparatus, 1600 ml capacity
Used to determine the in-sity density of fine graded compacted or bonded soil.
The apparatus is placed over the hole excavated in the soil, and water is pumped into a rubber balloon and forced into the hole. The amount of water displaced into the ballon is measured from the graduation of the scale.
The instrument consists of a graduated plexiglass cylinder 1600 ml. capacity housed within an aluminium alloy casting, a rubber pump with stop valve, a density plate and 12 rubber balloons.
Weight: 8 Kg