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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.


ELTRA TGA Thermostep ML Brochure


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


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.


ELTRA TGA Thermostep ML Brochure


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


Latest News

Stevensville, Michigan, January 26, 2021 – In 2020, despite the many challenges within global markets, Alpha Resources had several company firsts in the creation of useful new CRM offerings: a ferrochrome CRM, AR308; a high-carbon Iconel CRM, AR943; an EDTA CRM, AR2092 as well as a new CRM for Calcium Oxalate, AR5029.  Additionally, the Alpha lab team certified a half dozen of the highly sought-after titanium CRMs. Click to see full list.

Stevensville, Michigan, January 5, 2020 – Alpha Resources LLC, the largest manufacturer of aftermarket consumables and reference materials, is pleased to announce the following certified reference materials have been released in Q4 of 2020. Please click to read complete details.