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Dilatometer DL4000

PRODUCT CODE:OT-CAC-4444

Orbit Technologies is one of the best Dilatometer DF-4 Suppliers & Exporters in India.

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.

SectionCoal and Coke Testing Instruments

Precision Rating± 1°C / 10 min

ComplianceASTM / ISO / CE

OriginIndia / USA

MethodologyContactless

Throughput / Cycles4 – 6 Tests / Hour

Orbit Technologies — Parr Instrument Company #1 Global Dealer

In Stock & Configured in India

Instrument Overview & Operating Principle

Orbit Technologies is one of the best Dilatometer DF-4 Suppliers & Exporters in India. Call us @ +91 - 40 - 6721 6354

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.

Request a quote for the Dilatometer DL4000

Share your requirement and our laboratory engineering team will get back to you within one working day with pricing, lead time, and application guidance.

“Every Coal and Coke Testing Instruments we supply arrives with Orbit’s own factory-trained engineers — selection, installation, training, and after-sales service, anywhere in India.”

Orbit Technologies · 35 Years · 7,000+ Customers Across India

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Frequently Asked Questions

Everything testing laboratories and procurement managers need to know about sourcing, installing, and servicing analytical instruments through Orbit Technologies.

In a true isoperibol calorimeter, the jacket temperature is continuously regulated to maintain an exact, constant temperature surrounding the bucket throughout the entire test. Highly accurate thermistors measure heat transfer across the fixed temperature gradient, allowing the microprocessor to apply rigorous thermal leakage corrections for unmatched precision (0.1% RSD class).

Have a specific testing sample or standard not covered here?

Our application engineers offer pre-sale testing feasibility analysis and laboratory site visits.