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.

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

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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 elements	ash content, moisture, volatiles
Samples	inorganic, organic, synthetic
Field of application	agriculture, biology, chemistry / plastics, coal / power plant, construction materials, environment / recycling, food, geology / mining, glass / ceramics, medicine / pharmaceuticals
Furnace	resistance heated ceramic furnace, programmable in 1 °C steps from 50 °C up to 1000 °C
Detection method	balance
Max. number of samples	19 crucibles + 1 reference crucible
Balance resolution	0.0001 g
Balance precision	0.02 % RSD
Gas required	depends 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 requirements	230 V, 50/60 Hz, max. 32 A
Dimensions (W x H x D)	55 x 52 x 62 cm
Weight	~65 kg
Required equipment	external exhaust (exhaust diameter: 100 mm / blower with 4m3/min), monitor, PC