High automation: simply set the target temperature and heating time, and the instrument heats to the set value automatically.
7-inch capacitive touchscreen for simple, convenient operation with graphical guidance.
Upgraded heating chamber for fast heating, uniform heat distribution and long service life.
Complies with GB (national), industry and US (ASTM) standards
Staged programmable heating with PID dynamic temperature tracking
One-click intelligent measurement of results.
Overview
Thermogravimetric Analyzer
The VicoMeter VICOMETER thermogravimetric analyzer is based on thermogravimetry: under a controlled temperature program, it measures mass as a function of temperature (or time). When the sample sublimes, vaporizes, decomposes to release gas or loses crystal water during heating, its mass changes and the TG curve drops accordingly. Analyzing the TG curve reveals the temperature at which changes occur and, from the weight loss, the amount of material lost. The most common principles are the deflection method and the null-balance method.
One-Button Operation Design
Simple operation with no installation, commissioning, or training required — ready to use out of the box. The color capacitive touch screen design displays sample status in real time, and the one-button measurement design with a friendly human-machine interface makes operation easy for users.
Excellent Structural Design
The furnace is double-wound with precious-metal platinum-rhodium alloy wire, reducing interference and improving high-temperature resistance.
The pan sensor, made with precious-metal alloy wire technology, is high-temperature, oxidation and corrosion resistant.
The separated design of power supply and circulating heat dissipation from the main unit gives the weighing module stronger resistance to heat and vibration.
The top-opening structure is easy to operate and simplifies sample loading—a clear advantage over traditional designs where the furnace moves up, making loading difficult and easily damaging the sample rod.
Excellent Hardware and Software Integration
High-performance ARM processor for faster sampling and higher reading accuracy
Four-channel sampling module for high-speed acquisition of AD\TG\temperature T signals
Intelligent PID temperature control supporting multi-stage programmed heating and isothermal control
Bidirectional USB communication: connect to a computer and operate experiments from the PC
Excellent touchscreen interface—most functions operable without a computer
Technical Specifications
| Model | WKT-TGA200 | WKT-TGA210 | WKT-TGA220 |
| Temperature Range | Ambient~1250℃ | Ambient~1350℃ | Ambient~1550℃ |
| Temperature Accuracy | 0.001℃ | ||
| Temperature Stability | ±0.01℃ | ||
| Ramp Rate | 0.1~100℃/min | ||
| Temperature Control | PID control: heating, isothermal, cooling | ||
| Program Control | Programmable multi-stage heating and cooling, up to five segments | ||
| Weighing Range | 0.01 mg~3 g, expandable to 50 g | ||
| Weighing Readability | 0.01mg | ||
| Stabilization Time | Freely Configurable | ||
| Display | 7-inch capacitive LCD touchscreen | ||
| Atmosphere System | Built-in gas flow meter with two-channel gas switching and flow control | ||
| Software Functions | Intelligent software automatically records TG curves for data processing; TG/DTG, mass and percentage coordinates switch freely; auto-adjustment extends and scales the display automatically | ||
| Gas Path Switching | Multi-stage automatic switching | ||
| Scan Modes | Heating scan, cooling scan | ||
| Curve Analysis | Up to five test curves can be opened simultaneously for comparison | ||
| Data Interface | Standard USB interface, dedicated software (free upgrades from time to time) | ||
| PowerPower Supply | AC220V 50Hz | ||
Applicable Industries
Wide Range of Applications
Materials Science:Study thermal stability, degradation mechanisms and crystallization behavior of polymers; analyze component content and thermal stability in composites; evaluate oxidation and corrosion of metals at high temperatures; study phase transformations of metal alloys.
Chemical Industry:Determine thermodynamic and kinetic parameters of chemical reactions, such as reaction heat and rate constants; study catalyst activity, stability and deactivation mechanisms.
Energy Sector:Analyze pyrolysis characteristics and combustion performance of coal, petroleum, biomass and other energy materials, providing a basis for efficient energy utilization and conversion.
Food and Pharmaceuticals:Study thermal stability and change patterns of moisture, fat, protein and other components in food; analyze drug thermal stability, decomposition processes and drug-excipient interactions.
Applicable Standards
High automation: simply set the target temperature and heating time, and the instrument heats to the set value automatically. Testing with the VicoMeter WKT-TGA series complies with multiple national, industry and international standards!
GB/T 33047.1-2021: "Plastics — Thermogravimetry (TG) of Polymers — Part 1: General Principles"
GB/T 2951.41-2008: "Common Test Methods for Insulating and Sheathing Materials of Electric and Optical Cables — Part 41: Methods Specific to PE and PP Compounds — Environmental Stress Cracking — Melt Index Measurement — Direct Combustion for Carbon Black and/or Mineral Filler Content in PE — Carbon Black Content by TGA — Carbon Black Dispersion in PE by Microscopy"
GB/T 4498.2-2017: "Rubber — Determination of Ash — Part 2: Thermogravimetric Analysis"
GB/T 11842-1989: "Determination of Oxygen-to-Uranium Atomic Ratio in Uranium Dioxide Powder and Pellets — Thermogravimetric Method"
GB/T 14837.1-2014: "Rubber and Rubber Products — Determination of the Composition of Vulcanizates and Uncured Compounds by Thermogravimetry — Part 1: Butadiene, Ethylene-Propylene Copolymer and Terpolymer, Isobutene-Isoprene, Isoprene and Styrene-Butadiene Rubbers; Part 2: Acrylonitrile-Butadiene and Halobutyl Rubbers; Part 3: Extracted Hydrocarbon, Halogenated and Polysiloxane Rubbers"
GB/T 19469-2004: "Determination of Ignition Temperature of Pyrotechnic Compositions — DTA-Thermogravimetric Analysis"
GB/T 29189-2012: "Thermogravimetric Analysis for Oxidation Temperature and Ash of Carbon Nanotubes"
GB/T 31229-2014: "Test Method for Determination of Volatilization Rate by Thermogravimetry"
GB/T 31984-2015: "Test Method for Vinyl Acetate Content in EVA Copolymer for Photovoltaic Modules — Thermogravimetric Analysis (TGA)"
GB/T 32868-2016: "Nanotechnologies — Thermogravimetric Characterization of Single-Walled Carbon Nanotubes"
GB/T 33047.1-2016: "Plastics — Thermogravimetry (TG) of Polymers — Part 1: General Principles"
GB/T 34916-2017: "Nanotechnologies — Multi-Walled Carbon Nanotubes — Determination of Amorphous Carbon by Thermogravimetric Analysis"
GB/T 35924-2018: "Determination of Moisture Content in Solid Chemical Products — Thermogravimetric Method"
GB/T 35930-2018: "Determination of Saturated Vapor Pressure of Chemical Products — Thermogravimetric Method"
GB/T 36065-2018: "Nanotechnologies — Analysis of Amorphous Carbon, Ash and Volatile Matter in Carbon Nanotubes — Thermogravimetric Method"
GB/T 38397-2019: "Coal Tar — Determination of Component Content — GC-MS and Thermogravimetric Analysis"
GB/T 44307-2024: "Carbon-Fibre-Reinforced Plastics — Determination of Fibre Mass Content — Thermogravimetry (TG)"
ISO 11358-1: "Plastics — Thermogravimetry (TG) of Polymers — Part 1: General Principles"
ISO 11358-3: "Plastics — Thermogravimetry (TG) of Polymers — Part 3: Determination of Activation Energy Using the Ozawa-Friedman Plot and Analysis of Reaction Kinetics", detailing how to determine activation energy and analyze reaction kinetics of polymers from TG data.
ISO 247-2: "Rubber — Determination of Ash — Part 2: Thermogravimetric Analysis", specifying the steps and requirements for determining rubber ash by TGA
ISO 22821: "Carbon-Fibre-Reinforced Composites — Determination of Fibre Weight Content by Thermogravimetry", defining the method for determining fibre mass content in CFRP using TGA.
BS ISO 12989-2: "Carbonaceous Materials for Aluminium Production — Baked Anodes and Sidewall Blocks — Determination of Air Reactivity — Thermogravimetric Method", for TG determination of air reactivity of carbonaceous materials in the aluminium industry
BS ISO 21870: "Rubber Compounding Ingredients — Carbon Black — Determination of High-Temperature Loss on Heating by Thermogravimetry", a standard TG method for high-temperature heating loss of carbon black
ASTM E1582: "Standard Practice for Calibration of Temperature Scale for Thermogravimetry", specifying methods and requirements for TGA temperature calibration
ASTM E2040: "Standard Test Method for Mass Scale Calibration of Thermogravimetric Analyzers", defining test steps and acceptance criteria for TGA mass calibration
ASTM E2402: "Standard Test Method for Mass Loss and Residue Measurement Validation of Thermogravimetric Analyzers", covering procedures for verifying mass loss and residue and establishing related analytical methods
ASTM E2551: "Standard Test Method for Humidity Calibration (or Conformation) of Humidity Generators for Use with Thermogravimetric Analyzers", a standard method for humidity calibration of humidity generators used with TGA
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