EIE Instruments Pvt. Ltd.

Length Comparator

Introduction

It is used to measure the drying shrinkage of autoclaved portland cement and potential expansive reactivity of Cement aggregate combinations in mortar bars during storage on self-drying.

The instrument consists of chanelled base over which two vertical pillars are fixed. An adjustable cross plate is at the top. A dial gauge, reading to 0.002 mm x 12 mm or 0.01 X 25mm is fixed to the top. The plunger end of the dial Gauge can be located up on a 6.5 mm. dia 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 standardiation bar with insulated grip and with 6.5mm dia ball mounted in the ends.

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