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ELTRA® Thermostep ML

Thermogravimetric Analyzer for Organic and Inorganic Analysis


ELTRA TGA analyzers are an ideal alternative to standard laboratory ovens and muffle furnaces for thermogravimetric analysis.

The TGA Thermostep ML processes up to 19 different samples, typically weighing between 500 mg and 5 g, in one analysis cycle. The surrounding atmosphere and temperature of up to 1,000 °C within the heating chamber can be freely defined by the user during analysis to create a standard operating procedure. The crucible lids, covering of the samples, can be added or removed at each stage of the analysis, thus allowing for safe and ASTM compliant determination of volatiles in coal samples.

Typical sample materials: Coal, coke, secondary fuels, gypsum, flour, plastics, ceramics and many more.




Contact Alpha Resources for your ELTRA TGA ML quote


Looking for consumables for your TGA ML? Click here.


Application Examples

coal, coke, food, limestone, plastics


Product Advantages

• Short heating rates, high temperature constancy
• Simultaneous measurement of 19 samples
• Sample weight in macro range (multiple gram)
• Crucible covers to be placed and removed manually during analysis
• Precise, accurate and reliable determination of moisture, volatile, ash content
• Wide range of materials can be analyzed
• Programmable furnace temperature can be set up to 1000 °C in steps of 1°C
• Powerful software (multilingual, customized display, export of results)
• Two thermocouples for precise temperature control
• Balance with 0,0001 g resolution
• Low maintenance
• Robust design allows usage in production control and laboratory


Measured elementsash content, moisture, volatiles
Samplesinorganic, organic, synthetic
Field of applicationagriculture, biology, chemistry / plastics, coal / power plant, construction materials, environment / recycling, food, geology / mining, glass / ceramics, medicine / pharmaceuticals
Furnaceresistance heated ceramic furnace, programmable in 1 °C steps from 50 °C up to 1000 °C
Detection methodbalance
Max. number of samples19 crucibles + 1 reference crucible
Balance resolution0.0001 g
Balance precision0.02 % RSD
Gas requireddepends on application: oxygen 99.9% pure (2 - 4 r) and/or nitrogen 99.9 % pure (2 - 4 bar) and air 99.5% (5 - 6 bar)
Power requirements230 V, 50/60 Hz, max. 32 A
Dimensions  (W x H x D)55 x 52 x 62 cm
Weight~65 kg
Required equipmentexternal exhaust (exhaust diameter: 100 mm / blower with 4m3/min), monitor, PC


Thermostep Brochure (Eltra)Thermostep Brochure (Eltra)

Latest News

Stevensville, Michigan, September 15, 2020 – Alpha Resources LLC, the global leader in the manufacture and distribution of aftermarket consumables and certified reference materials (CRM), is proud to announce a manufacturing production expansion. The new expansion adds 30,000 square feet of additional space. Please click to read complete details.

Stevensville, Michigan, July 1, 2020 - Alpha Resources LLC, the largest manufacturer of aftermarket consumables and reference materials, is pleased to announce new certified reference materials have been released in Q2 of 2020.  Please  click to read complete details.