Length Comparator

Length Comparator

To measure length change in  calcium silicate bricks using a suitable micrometer.
The instrument consists of channeled base, over which two vertical pillars are fixed.
The vertical pillars are rubber sleeved.
An adjustable cross plate is fitted at the top.
A digital dial gauge, reading to 0.001 mm is fixed to the top.
The plunger end of the dial Gauge can be located upon 5 mm diameter ball or other reference point cemented in the specimen.
On the base, there is a similar recessed seating, in which can be placed a second ball or reference point in the specimen.
Complete with a stainless steel standardization bar with insulated grip and with 5mm diameter ball mounted in the ends.