Eltra – Thermogravimetric Analyzer – TGA Thermostep
ELTRA’s TGA Thermostep is a thermogravimetric analyzer which determines various parameters such as moisture, volatiles and ash at user-defined temperatures and atmospheres in a single analysis. The thermogravimetrics analyzer TGA Thermostep simultaneously analyzes up to 19 samples with sample weights up to 5 g and can be operated at temperatures up to 1000 °C.
A special feature of the TGA Thermostep is the management of crucible covers. The thermogravimetric analyzer can place and remove the covers of the crucibles during analysis. This feature allows for example the precise determination of volatile content in coal and coke.
Function Principle
Operation of the TGA Thermostep is simple and convenient. The measurement process has to be defined once regarding the used temperatures, atmospheres and heating ranges. To start the analysis, a predefined process simply has to be chosen in the software and the sample has to be weighed into the crucible. All further steps are processed automatically. All data processing, control of the measurement process and calculating of the result is done by an external PC with Windows®-based software. The determination of moisture, volatile and ash content needs about 4 hours.
Technical Specifications
| 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 bar) | oxygen 99.9 % pure (2 – 4 bar) |
| and,or nitrogen 99.9 % pure (2 – 4 bar) | and,or nitrogen 99.9 % pure (2 – 4 bar) |
| and air 99.5 % (5 – 6 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 | externe Absaugung (ø 100 mm; Gebläse mit 4m3/min), monitor, PC |
Key Features
TGA Thermostep
- Short heating rates, high temperature constancy
- Simultaneous measurement of 19 samples
- Sample weight in macro range (multiple gram)
- Crucible covers can be placed and removed 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
Product Advantages
- Measurement of up to 19 samples in one analysis
- Sample weights of up to 5 g
- Fast heating rates, accurate temperature control
- High-performance, precise weighing cell
- Automatic placing and lifting of crucible covers
- Robust design allows for use in laboratories and production
Key Industries
- Food & Beverage
- Mining & Minerals
- Polymers, Plastics and Rubbers
Brand
ELTRA is a specialist for elemental analyzers for the accurate and rapid analysis of solid materials. ELTRA equipment is a standard for elemental analysis in industries such as mining, steel, energy, cement and metal working.
ELTRA analyzers are used to reliably determine elements like carbon, hydrogen, sulfur, oxygen and nitrogen, and cover a wide, dynamic measuring range. The ability to adapt each analyzer to user specifications allows the precise measurement of a great variety of organic and inorganic samples in a multitude of applications.
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