Length Comparator

LENGTH COMPARATOR : MTCT-14

Category: ENGINEERING

Model No:MTCT-14

Length Comparator

The relatively small difference in central length between a reference gauge black of known central length and another gauge of unknown central length is measured by a high resolution length indicator the scope of this test is the determination of the effect of aggregates on the drying shrinkage of cement. The instrument consists of an analogue or digital dial gauge which is mounted on a steel frame. The top anvil is adjustable to suit the required specimen. A two gang shrinkage mould, 25x25x285 mm size (250mm gauge length), is made of steel. The mould and steel inserts should be ordered separately. Also available is a reference rod, 300mm long with convex hemispherical ends. The comparator is available in two models one with 0.01 mm x 10mm analogue dial gauge or with 0.001mm x 20 mm digital dial gauge.

Features:-

Including digital gauge 12.5×0.001 mm with serial output for PC connection
The instrument consists of a channeled base over which two vertical pillars are fixed
An adjustable cross plate is at the top. A dial gauge, reading to 0.002mm x 12mm
The plunger end of the dial gauge can be located upon a 6.5mm
Stainless steel standardization bar with insulated grip and with 6.5mm dia

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Product Description

Technical Specification:-

Effect of aggregates in drying shrinkage of concrete
Thermal expansion
Hydraulic shrinkage of cement mortar
Shrinkage determination of grouts for tiles
Expansion of Portland cement
Length change of hardened cement paste
Restrained expansion f mortar
Potential reactivity of aggregates
The instrument consists of a channeled base over which two vertical pillars are fixed
An adjustable cross plate is at the top
A dial gauge, reading to .002 mm x 12 mm. can be fixed to the top cross plate
The plunger end of the dial gauge can be located upon a 6.5 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 standard bar with insulated grip and with 6.5 mm diameter balls mounted in the ends
The unit can be supplied with a .0001 inch x 1/2 inch dial gauge at extra cost if indicated at the time of placing the order

Accessories:-

Serial cable for PC connection
Analogue version
Two gang mould
Steel inserts for mould
Reference rod

** Note:-The content of the product and specification are subject to change without prior notice for continuous improvement. Images shown are for representation purpose only. “MICROTEKNIK” keeps the right to modify the content in the product without prior notice.