6725 Semi-micro Calorimeter
6725 Semimicro Calorimeter Overview The 6725 Semi-micro Calorimeter is a compact, static jacket, calorimeter designed specifically for measuring the heat produced by the combustion of small samples.
Engineered for rigorous testing environments across coal, fuels, minerals, and advanced materials. Delivers automated determination, high operational reproducibility, and seamless compliance with international ASTM and ISO laboratory standards.
Instrument Overview & Operating Principle
6725 Semimicro Calorimeter Overview The 6725 Semi-micro Calorimeter is a compact, static jacket, calorimeter designed specifically for measuring the heat produced by the combustion of small samples. The ability of the 6725 Semi-micro Calorimeter to produce complete combustion and a measurable temperature rise with small samples in the 25 to 200 milligram range makes this
Scientific Architecture & Measurement Physics
1. Precise Thermal Equilibration
The jacket enclosure is thermally regulated to eliminate ambient room temperature variations. High-resolution thermistors capture micro-degree changes across the sample combustion cycle with instantaneous data acquisition.
2. Certified Combustion Vessel Integrity
Constructed from proprietary high-strength corrosion-resistant alloys capable of withstanding working pressures up to 300 bar. Automated firing protocols ensure complete oxidation without sample splattering.
3. Microprocessor Algorithmic Correction
Real-time numerical integration compensates for fuse ignition heat, acid formation, and thermal leakage, calculating Gross Calorific Value (GCV) strictly compliant with ASTM D5865 and ISO 1928 formulas.
4. Automated Workflow & Vessel Handling
Automated oxygen filling and water bucket management reduce operator hands-on time from 15 minutes down to under 1 minute per test, minimizing human error and maximizing laboratory throughput.
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“Every Semimicro & Solution Calorimeters we supply arrives with Orbit’s own factory-trained engineers — selection, installation, training, and after-sales service, anywhere in India.”
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