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L75 PT Quattro

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This dilatometer is a very unique instrument, which was developed for customers which have to deal with a large amount of samples.

The Quattro Dilatometer is built up with four separate dilatometer measuring sensors, which can measure simultaneously either four separate samples at one time, or three separate samples against a reference standard. That means, the productivity of the Quattro Dilatometer is three times as high as compared to the normally used dual push rod dilatometers. With a dual push rod dilatometer only one sample can be measured against the standard at each time.

Another feature included in this Quattro Dilatometer is called an automatic furnace lift mechanism. This feature automatically lifts the furnace at the end of each measurement without any operator interaction. This allows the user to insert new samples while the furnace is still cooling down, when a second or third furnace is mounted on the system the sample throughput can be even further increased significantly.

The Quattro Dilatometer uses a unique amplifier with automatic zero setting for all four samples. Furthermore there is a “manual push rod speed release” for each sample. With this feature all four samples can easily be changed and seated correctly for high accuracy measurements.


Chris Bradburn


Technical specification

Number of Samples: 4
Temperature range: RT … 1000/1400/1600°C
Heating/cooling rates: 0.01 K/min … 50 K/min (dependent on furnace)
Sample holders: fused silica
  Al2O3 <1750°C
Sample length: max. 50 mm
Sample diameter: max. 7 mm
Measuring range: 500/5000 µm
Resolution: 1.25 nm
Atmospheres: inert, oxidizing, static/dynamic
Electronics: Integrated
Interface: USB

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