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Koehler - Distillation System - Automatic Distillation Analyzer

Two Models are Available - The Automatic Distillation Analyzer 5000 Series may be ordered for operation with an external PC (purchased separately) or may be ordered with a built-in PC, internal touch screen monitor, virtual keyboard and mouse. An easy-to-use Windows®-based PC communication software expands user capabilities for data analysis and unit control. Distillation methods and parameters can be easily created or modified. Software calculates repeatability and reproducibility as per ASTM D86 as well as standard and deviation against reference materials. Test results are displayed in real-time and can include distillation curve and temperature with or without barometric compensation and/or evaporation correction, distillation rate, heating power curve, master curve comparison, and zoom function for high resolution of heating and temperature curves. The heater compartment is rapidly cooled at the completion of a distillation run to reduce operator downtime. The analyzers are of rugged construction for instrument longevity with a modular design for easy routine maintenance.

Technical Specifications

  • Conforms to ASTM D86, D285, D4737 and related international specifications 
  • Pt-100 RTD probe with automatic temperature calibration system (°C or °F) 
  • Windows®-based software package for PC control with LIMS export capabilities
  • Automatic determination of initial boiling point (IBP), final boiling point (FPB), dry point and barometric and residue corrections
  • Diagnostic system continuously ensures proper unit performance and user safety
  • Automatic temperature and volume calibration
  • Programmable distillation rate (2-15mL/min)
  • Ready for distillation groups 1 - 4
  • Networking for up to 32 units
  • Powerful CFC-free cooling and heating system
  • Receiver chamber heating system up to 60°C
  • Precision level follower system with optical meniscus detector
  • Integrated automatic fire extinguishing system with manual operation override

Technical Specifications

Compliant Standards ASTM D86, D285, D850, D1078, D4737; D189 Section 10; DIN 51751; ISO 3405; IP 123; IP 195; JIS K2254l; NF M 07-002
Temperature Distillation Range 0 to 450°C (±0.1°C accuracy)
Condenser -5 to 60°C (±0.1°C accuracy); closed loop system
Distillation Rate 2 to 15mL/min in 0.1mL increments, user selectable
Receiver Volume 0 to 100mL (±0.01mL accuracy) by photoelectric infrared detection of meniscus by level following system utilizing a precision stepper motor and a special calibrated glass receiver; automatic calibration of evaporated loss volume and automatic volume calibration system ensures highest accuracy
Barometic Pressure Automatic barometric correction utility with automatic sensor, range 550 to 900 mm Hg (±1 mm Hg accuracy)
Dry Point Detection Automatic dry point detection board is included with standard equipment and only requires a dry point sensor, 200mL flask and PTFE plug for ASTM D850 and D1078 tests.
Environment Operates at 0 to 25°C (113°F)
Power Requirements 120V 60Hz 20A
230V 50/60Hz 10A
Dimension (cm) 53.3 x 54.6 x 70.5
Net Weight 91kg
  • Chemical
  • Education & Academics
  • Environmental
  • Oil & Gas
Koehler Instrument CompanyProviding quality testing instrumentation and technical support services for research and testing laboratories has been our specialty since 1925. Meeting your testing needs is the primary focus of our business, which is why Koehler Instrument Company is a leading producer and supplier of petroleum, synfuels and petrochemical instrumentation worldwide. At Koehler, we pride ourselves in innovation. In a time of continuous technological advancement and transition we are constantly implementing new and improved ways to surpass the needs of an ever-evolving industry. Koehler products are backed by our staff of technically knowledgeable, trained specialists who are experienced in both petroleum products testing and instrument service, which is carried out either on site or at a Koehler service center.
[koehler instrument, automatic distillation analyzer, ASTM compliance, petroleum products, petroleum testing]