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Dilatometer Comparison Chart
Theta Industries has been the industry leader in thermal physical properties measurement and manufacturing of scientific test equipment including the Dilatometer, Viscometer and DTA/TGA instruments for over 40 years. We remain dedicated to bringing our customers the finest in both software and hardware to create the most advanced thermal analysis equipment available. We offer a full range of instruments for industrial, scientific, research and education including Dilatometers, quench/deformation dilatomers and high temperature Viscometers..

All versions of our Dilatometers feature:

  • Easy quick setup of specimen and reference materials.
  • Full software control with our DilaSoft software.
  • Easy experiment setup with 100 available temperature profile segments.
  • Correction files for added precision in collected data.
  • Simple software calibration with a user set calibration schedule.
  • Precision patented mechanical design combined with state of the art electronics.

This chart compares our most popular Dilatometer instruments. Other models are available as well as completely custom designed and manufactured equipment.

Theta Industries, Inc. Dilatometer Comparison Quick-Chart
Dilamatic I Dilamatic II Dilamatic VI Dilatronic I Dilatronic II Dilatronic VII
Features Dilamatic I Dilamatic II Dilamatic VI Dilatronic I Dilatronic II Dilatronic VII
Description Low cost. Higher precision, moderate cost. 4 specimen, fast throughput. High temperature, high precision. Horizontal or vertical. Many options.
Accuracy 2% 1% 2% 0.5% or 1%
Measuring Head Electronic digital dial gauge Single push rod or *differential precision frictionless sensor. *Constant load. 2- Dual specimen single push rod frictionless sensors. *Differential or single push rod precision frictionless sensor. *Constant load
Specimen Size (len. x dia.) 5-51 mm x 3-13 mm 1-51 mm x 3-13 mm
*maximum: 200 mm x 30 mm
Specimen holder & push rods SiO 2 SiO 2 or Al 2 O 3 Graphite, Tungsten
Thermocouple K S K K B, C C, Pyrometer
Temperature range Ambient to 1000°C Ambient to 1600°C Ambient to 1000°C or *1600°C -200°C to 1200°C Ambient to 1700°C or *1800°C Ambient to 2500°C+
Furnace type Nichrome split SiC tube Nichrome split Nichrome split SiC tube or *MoSi 2 Graphite
Atmosphere air air, *gas air air, *gas, *vacuum gas and vacuum
Utility 120/220 VAC 50/60 Hz 220/240 VAC 50/60 Hz
Size (l x d x h) inches 12 x 18 x 14 24 x 14 x 16 36 x 14 x 16 36 x 14 x 16 40 x 14 x 16 24 x 24 x 48
Options DilaSoft for Windows software for advanced computer control & analysis
* = optional

See the flyer (in PDF format) for the new Differential Dial Gauge Dilatometer!

Constant temperature circulator Second specimen thermocouple Constant temperature circulator.
20 bit data acquisition.
Over temperature protection.
Electronic valve control
Rate Controlled Sintering

For information about the price and availability of Theta's latest software and equipment offerings call, write, Fax or E-mail to the address below for a prompt response. Or fill out our automated on-line Inquiry Forms right here!

Theta Industries, Inc.
26 Valley Road
Port Washington, NY 11050
Phone: 516-883-4088 Fax: 516-883-4599 E-mail:

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Dilatometer comparison chart from Theta Industries, Inc.